Fall Spray Day. Weed Identification
|
|
- Chad Bradford
- 6 years ago
- Views:
Transcription
1 Fall Spray Day Weed Identification Calvin Odero Everglades Research and Education Center Belle Glade December 1, 2010
2 Outline Weed definition Weed classification Weed identification Grass weed diagnostics Grass weeds of row crops Broadleaf weed diagnostics Broadleaf weeds of row crops
3 What are weeds? Common definitions Plants growing where they are not wanted Plants out of place Plants which are a nuisance Plants whose virtues have not been discovered Plants that are objectionable or interfere with the activities or welfare of man (WSSA)
4 What are weeds? A native or introduced species that has perceived negative ecological or economic effect on agricultural or natural systems A plant is a weed because it has definable characteristics that set it apart from other species
5 Characteristics of weeds Abundant seed production Rapid establishment Seed dormancy Long term seed dispersal Adaptations for spread Vegetative reproduction Capacity to occupy disturbed sites
6 Weed classification 200 plant species are the most important world weeds Family Species Percent of total Poaceae (Grass) Cyperaceae (Sedge) % 43% Asteraceae (Sunflower) 32 Polygonaceae (Buckwheat) Amaranthaceae (Pigweed) Brassicaceae (Mustard) Fabaceae (Bean) Convolvulaceae (Morningglory) Euphorbiaceae (Spurge) Chenopodiaceae (Goosefoot) Malvaceae (Mallow) Solanaceae (Nightshade) % in 12 plant families
7 Weed classification Phylogenetic relationships Ancestry and ancestral similarities Habitat Cropland, rangeland, forest, aquatic, environmental, parasitic Life history Annual, biannual, perennial Type of plant Broadleaf, grass, sedge
8 Weed identification Manuals feature mature weeds, flowers, and fruit characteristics as an aid in identification Weeds must be controlled when small, before they flower or mature to prevent them from competing with the crop for Light Soil nutrients Soil moisture Space
9 Weed identification Knowing how to identify weeds then understanding their life cycles and vulnerabilities are important steps towards control Proper weed identification allows for identification of the best cultural strategies for control, and selection of effective herbicides and application timings
10 Weed identification Distinguishing between annuals, biennials, and perennials is the most compelling reason to learn weed identification as management strategies and herbicide effectiveness differ significantly between these categories
11 Grass weed diagnostics One cotyledon or seed-leaf Leaf blades are long, narrow, alternate with parallel veins Leaf sheath encircles the stem Junction of leaf blade with sheath is the collar Ligule (projection at base of leaf blade) Auricles (claw-like projections at the leaf collar that partially encircle the stem)
12 Step 1 to grass identification Overall characteristics Relative length and width of first leaf Seed characteristics
13 Step 2 to grass identification Grass leaves are either rolled or flat within the stem Sedges can be identified by a triangular stem Rolled Flat Triangular
14 Step 3 to grass identification Some grasses have auricles Ligule may be absent or present Membrane Fringe of hair (hairy)
15 Step 4 to grass identification Blade type Hairy or glabrous (lacking hair) Midrib prominence and color Margin characteristics
16 Step 5 to grass identification Leaf sheaths may be Open, split and overlapping, closed (fused) Hairy or glabrous (lacking hair)
17 Step 6 to grass identification Root system Annual, with a simple, fibrous root system Perennial, producing rhizomes, rootstocks, or stolons
18 Grasses and grass-like seedling species: monocots (leaves have parallel veins, sheaths at the base clasp the stem) 1. Leaves generally broader.....spreading dayflower 1. Leaves narrow 2. Stems triangular (3-angled or sided), solid 3. Leaves gradually tapering to a sharp point.....yellow nutsedge 3. Leaves abruptly tapering to a sharp point......purple nutsedge 2. Stems roundish, hollow: 4. From fibrous roots, rhizomes, or stolons: 5. Leaves flat: 6. Leaves folded in the bud: 7. Ligule a fringe of hairs......bermudagrass 7. Ligule membranous goosegrass 6. Leaves rolled in a bud: 8. Ligule a fringe of hairs... fall panicum guineagrass crowfootgrass giant bristlegrass nappiergrass 8. Ligule membranous...almum sorghum southern crabgrass
19 Spreading dayflower (Commelina diffusa) Annual, creeping growth habit Seedling Leaves wider than grasses, rounded tip Later leaves much longer than wider Mature plant Stems, leaves are thick and fleshy Stem swollen at nodes, appearing jointed Leaves sessile, often hairy on upper and lower surfaces, margins smooth Roots fibrous, stems root at node Two large and one small blue petal Propagation by seed, vegetatively
20 Spreading dayflower
21 Nutsedges (Cyperus spp.) Perennial, 3-angled stems, leaves arranged in threes, long grass-like leaves Seedling small inconspicuous, rarely encountered Propagation primarily by tubers Yellow nutsedge Leaves yellow-green Leaves gradually tapering to a sharp point, midrib ends Tubers produced at end of rhizomes Yellowish-brown spikelet Purple nutsedge Leaves dark green Leaves abruptly tapering to a sharp point, midrib continues Tubers produced along the length of rhizomes Reddish-purple spikelet
22 Nutsedges (Cyperus spp.) Yellow nutsedge A - sharp or needle like tip B - Constriction 1/2 to 1 1/2 inches from tip C - Midrib groove absent or barely visible beyond constriction point (B) Purple nutsedge D - boat shaped tip E - without constriction at tip F - midrib groove continues to leaf tip C B Yellow nutsedge A F E D Purple nutsedge
23 Yellow nutsedge
24 Purple nutsedge
25 Bermudagrass (Cynodon dactylon) Perennial, mat forming, spreading rhizomes and stolons Seedling Ligule a row of hairs (hard to see) Blades smooth, slightly rough margins Sheath smooth Mature plant Leaves flat, ring of white hair around collar Blades smooth (with hair toward base), margins slightly rough Sheaths strongly compressed, smooth or with few hairs in the collar Hard, scaly rhizomes and flattened stolons 3-7 finger-like spikes radiating from a central point
26 Bermudagrass
27 Goosegrass (Eleusine indica) Annual, prostate, mat-like rosette with stems radiating from a central point Seedling Short membranous unevenly toothed ligule with cleft at center Blades smooth, strongly folded Sheath smooth, prominently compressed, light green to white at base Collar broad, hairless Mature plant Blades folded along midvein, smooth, occasionally sparsely hairy on both sides, rough margins Sheath loosely overlapping, smooth, whitish at base Collar broad, white, sparse hair at the edges Root system fibrous, does not root at nodes 2-6 spikes in clusters at top of stems, one spike below the others, Two rows of seed on underside of spikes
28 Goosegrass
29 Goosegrass
30 Fall panicum (Panicum dichotomiflorum) Annual with erect or spreading broadly from the base Seedling Ligule fringe of hairs First few leaves densely hairy only on lower surface Sheath densely hairy, rough margins Collars densely hairy Seedlings become less hairy with age, completely lack hairs at maturity Purplish coloration Mature plant Stems have waxy appearance, swollen and irregular lower nodes Blades smooth on both sides, dull above and glossy beneath Midrib prominent Sheaths smooth, purplish, slightly compressed Fibrous root system, stems root at nodes Freely branched, spreading panicle, may appear purplish at maturity
31 Fall panicum
32 Fall panicum
33 Guineagrass (Panicum maximum) Perennial, tufted grass, short, creeping rhizome Ligule hairy Leaf-blade surface glabrous, or pubescent (soft fine hair) Erect stems, root at nodes Sheath covered in fine hair (very hairy) Large multi-branched, open panicle, spikelets green to purple Very problematic
34 Guineagrass
35 Crowfootgrass (Dactyloctenium aegyptium) Annual, mat forming, above ground runners Seedling Ligule a fringe of hairs Blade and sheath glabrous (hairless) Margins with long stiff hairs Mature plant Blade smooth, margins with long stiff hair Sheath smooth, collar hairy 1-7 spikes, spikelets on lower side, seeds extend out in the shape of a claw (like crow s foot) Root fibrous
36 Crowfoot
37 Giant bristlegrass (Setaria magna) Annual with erect stems, up to 12 ft tall Seedling Ligule hairy Blade smooth to rough Sheath smooth Mature plant Blades flat, rough Sheaths smooth, but margins near top lined with hairs Joints smooth, distinctive ring of fine hairs below the joint Stem extremely flat Roots fibrous Seed head a panicle (cylindrical composed of bristles, yellowish-brown in color, and usually 3-12 inches long)
38 Giant bristlegrass
39 Nappiergrass (Pennisetum purpureum) Perennial with robust, erect, cane-like stems Seedling Ligule hairy Blade hairless to more or less hairy long stiff hair Sheath hairy Mature plant Blades flat, rough, long stiff hair on upper surface, rough or smooth on lower surface Sheath hairy at or near bottom of stem Stem round (unlike giant bristle grass) Seed head similar to bristly bottle brushes
40 Nappiergrass
41 Sorghum-almum (Sorghum almum) Perennial from short, thick, scaly underground runners Seedling Ligule membranous at the base, fringed at the top Blade hairless Sheath smooth, hairless Can look like sugarcane seedling when small Mature plant Blade rough, flat, prominent midrib, no hairs (except occasionally at base on upper leave surface) Sheath open, smooth except for a few hairs Open panicle composed of numerous whorled branches
42 Sorghum-almum
43 Sorghum-almum
44 Southern crabgrass (Digitaria ciliaris) Annual, tufted, prostrate to spreading Seedling Membranous ligule Stiff hairs on blade and sheath at right angle to plant surface Collar broad with long hairs at margin Mature plant Blades lack hair on both surfaces Sheaths compressed and hairy Tillering after 4-5 true-leaf, tiller nodes elongate Elongated stems root at nodes Older sheaths may turn dark red or maroon Seed head 3-5 (-13) spikes clustered at the top of stems
45 Southern crabgrass
46 Southern crabgrass
47 Broadleaf weeds diagnostics Leaves have netlike veins (wider than grasses) Two cotyledons or seed leaves (dicots) True leaves develop above cotyledons Shapes of cotyledons and first true leaves are important for identification Leaves have a petiole (leaf stalk) or may be sessile (without a petiole) Leaves alternate or opposite Stem erect, viny or twining, prostrate
48 Broadleaf weeds diagnostics
49 Steps to broadleaf identification Overall appearance Shape of cotyledons Leaf shape Leaf arrangement Root system
50 Broadleaf seedling species: dicots (leaves usually with branched veins) 1. Linear cotyledons 2. First true leaves alternate 3. First true leaves ovate, nick in the tip 4. Stems reddish at the base but later with spines at nodes...spiny amaranth 4. Stems reddish towards base and smooth to hairy. smooth pigweed 2. First true leaves opposite but later leaves alternate 5. Leaves succulent 6. Leaves egg-shaped and widest at tip, sessile, red tinged... common purslane 5. Leaves not succulent 7. Leaves egg-shaped and pointed at tip, mealy white coating... common lambsquarters 1. Spatulate cotyledons 8. First true leaves opposite, deeply cleft but later alternate....common ragweed 8. First true leaves opposite, egg-shaped, covered in fine hairs.....parthenium ragweed
51 Smooth pigweed (Amaranthus hybridus) Annual, erect with smooth branched stem Seedling Cotyledons linear First true leave ovate, nick at tip, alternate, less wavy margins Stems reddish and smooth to hairy Mature plant Erect and slender Upper stem densely hairy, hairs short Flowers green in dense clusters at tip of stems Reddish shallow taproot
52 Smooth pigweed
53 Spiny amaranth (Amaranthus spinosus) Annual, erect, very sharp, stiff spines Seedling Cotyledons linear First true leaf ovate, nick at tip Leaves with wavy margin Stems reddish with spins at nodes later Mature plant Erect with freely branching stem Stem has pair of sharp spines at base of leaves Flowers green in dense clusters at tip of stems Reddish taproot
54 Spiny amaranth
55 Common purslane (Portulaca oleracea) Annual Seedling Cotyledons linear First true leaf egg-shaped and widest at tip (obovate) Leaves succulent, obovate, sessile, red tinged Stem prostrate, reddish Mature plant Stems much branched, purplish-red or green, smooth, completely prostrate, or turned up at ends Leaves opposite or alternate, thick, fleshy, smooth untoothed margins Blade spatulate, sessile Yellow clustered flowers at end of stem Thick taproot, fibrous secondary root
56 Common purslane
57 Common lambsquarters (Chenopodium album) Annual Seedling Cotyledons linear First true leaf lanceolate to ovate Leaves wavy or toothed and have gray-mealy coating First pair opposite, all other leaves alternate Stem covered in mealy-white granules Mature plant Stems erect, branching, hairless, vertically ridged, often with maroon stripes Leaves petioled, egg-shaped, irregularly toothed White-mealy coating on younger leaves Upper leaves are sometimes linear, sessile, may have entire margins Short and branched taproot Panicle arising from end of stems or leaf axils, individual flowers inconspicuous
58 Common lambsquarters
59 Common ragweed (Ambrosia artemisiifolia) Annual Seedling Cotyledons thick, spatulate Leaves opposite becoming alternate by the fourth node Blades hairy on upper surface and margin, densely hairy on underside Leaves deeply cleft on margins, forming rounded or slightly pointed lobes Mature plant Stems erect, branched, rough hairs Leaves hairy to nearly smooth Blades compound (pinnatifid) Leaves alternate, sometimes lower leaves opposite Shallow fibrous root Flower head small, green, inconspicuous, produce large amounts of pollen
60 Common ragweed
61 Ragweed parthenium (Parthenium hysterophorus) Annual Seedling Rounded paddle shape cotyledon First true leaves are egg-shaped, covered in fine, white hairs Older leaves become increasingly lobed and deeply divided Basal rosette Mature plant Leaves alternate, compound, lower leaves forming basal rosette, upper leaves entire to lobed (deeply divided), short hair on both sides Stem erect to branched Taproot White disked flowers
62 Parthenium ragweed
63 If you need help Collect actual plants Store in plastic bag with damp paper towel 8-10 hours Press between two pieces of paper Change paper often while drying Will last indefinitely Please don t store on truck dashboard Bring several plants Different growth stages if possible
64 If you need help Pictures Overall view (growth habit) Specific characteristics Ligule (grasses) Hair characteristics on leaves, stems Leaf shape Root system Fibrous, taproot, tubers, rhizomes, stolons Stem shape Seeds or flowers if available Other characteristics we looked at earlier
65 If you need help Additional information to collect Location Dry or wet Sandy or muck Cropped area, natural area, disturbed area Cropping history Actual location County, nearby town/city/landmark
66 Sources of weed ID information Picture books Southern Weed Science Society Weed ID Guide Excellent resource Weeds of Southern Turfgrasses (UF, IFAS) Wildflower books Good for plants with prominent flowers Area-specific books Many exist Varying quality of information
67 Sources of weed ID information Web Picture/Taxonomic Sites Aquatic, Wetland and Invasive Plant Particulars and Photographs (UF, IFAS) Excellent pictures and information Many, many more sites Many reputable sites Many universities Other public agencies Beware Some incorrect information on the web!
68 Take Home Message Weed ID can be challenging, get help from UF extension faculty Many resources available Web is very helpful When you need help Provide as much information as possible Quality plant sample Identify important/unique characteristics Location information
69 Contact Information Calvin Odero Office Wedgworth Building Room 155 Telephone (Office)
Identification of Grass Weeds in Florida Citrus1
HS955 1 Stephen H. Futch and David W. Hall2 Grass weeds commonly found in citrus can be identified by looking for specific characteristics of the plant. These specific characteristics can include, but
More informationCrop Identification - Alfalfa Deep taproot and welldeveloped
Crop Identification - Alfalfa Deep taproot and welldeveloped crown Much branched stems up to 3 feet tall 3 leaflets in a pinnately compound leaf, pubescent, with serrations on outer l/3 of leaflet Flowers
More informationNon-Native Invasive Plants
Non-Native Invasive Plants Identification Cards EMPACTS Project Plant Biology, Fall 2013 Kurtis Cecil, Instructor Northwest Arkansas Community College Bentonville, AR EMPACTS Team - Justin Klippert, Holly
More informationIdentification of Sedge and Sedge-Like Weeds in Florida Citrus 1
HS962 Identification of Sedge and Sedge-Like Weeds in Florida Citrus 1 Stephen H. Futch and David W. Hall 2 Sedges are annual or mostly perennial grass-like plants with aerial flower-bearing stems. In
More informationagronomy Grassy Weeds
agronomy OCTOBER 2018 SOUTH DAKOTA STATE UNIVERSITY AGRONOMY, HORTICULTURE & PLANT SCIENCE DEPARTMENT Grassy Weeds Review and Revision: Paul O. Johnson SDSU Extension Weed Science Coordinator Original
More informationDOWNLOAD PDF GRASSES IDENTIFICATION GUIDE.
Chapter 1 : Grasses: An Identification Guide - Google Books Types of grass: In general, cool-season grasses grow in the northern 2/3 of the nation (roughly north of North Carolina, Alabama, Arkansas, and
More informationForage Plant Pocket Guide
Jackson Soil and Water Conservation District Forage Plant Pocket Guide 2014 Compiled by Charlie Boyer 2 About this guide: This guide was compiled for the Jackson Soil and Water Conservation District to
More informationCYPERACEAE SEDGE FAMILY
CYPERACEAE SEDGE FAMILY Plant: annual or more commonly perennial Stem: stem (solid) is termed a culm, simple, mostly erect, often angled (mostly triangular) but some round or angled; some with rhizomes
More informationPreliminary Soil Seed Bank Study Jessica Hong
Preliminary Soil Seed Bank Study Jessica Hong Upland Pine Treatment Seed Bank Study Seed banks can provide information on species composition which can help predict impacts of restoration and disturbance
More information1st Year Garlic Mustard Plants
Top Ten Most Wanted 1. Garlic Mustard 2. Japanese Stiltgrass 3. Mile-a-minute 4. Japanese Honeysuckle 5. English Ivy 6. Oriental Bittersweet 7. Porcelainberry 8. Multiflora Rose 9. Amur (Bush) Honeysuckle
More informationWeed Descriptions. Part II
Weed Descriptions Part II Perennial sowthistle Sonchus arvensis Life Cycle perennial, reproducing by seed and creeping roots; found in cultivated fields, pastures, and waste areas. Cotyledons are ovate
More informationWeeds. Wheat and Oat Weed, Insect and Disease Field Guide 5
Weeds www.lsuagcenter.com/wheatoats Wheat and Oat Weed, Insect and Disease Field Guide 5 Weeds 6 Annual bluegrass Latin name: Poa annua General information: Prolific weed with typical emergence from September
More informationWeeds of Rice. Broadleaf signalgrass Brachiaria platyphylla
Barnyardgrass Echinochloa crus-galli Weeds of Rice A warm-season vigorous grass reaching up to 5 feet, barnyardgrass has panicles that may vary from reddish to dark purple. The seed heads contain crowded
More informationField Guide to the Identification of Cogongrass. With comparisons to other commonly found grass species in the Southeast
Field Guide to the Identification of Cogongrass With comparisons to other commonly found grass species in the Southeast Cogongrass (Imperata cylindrica) is an aggressive invader of natural and disturbed
More informationCommon plant species of Seattle Parks (winter 2010) BIOL 476 Conservation Biology
Common plant species of Seattle Parks (winter 2010) by Mitch Piper BIOL 476 Conservation Biology Douglas-Fir- native Up to 70 meters tall; branches spreading and drooping; bark thick, ridged and dark brown.
More informationCommon Weeds of Summer in Northwestern Nevada
Common Weeds of Summer in Northwestern Nevada Common Name ID Control Common lambsquarter Chenopodium album L. Chenopodiaceae (Goosefoot Family) Seedling leaves are grayish green Annual Grows upright to
More informationForage Field Guide Second Edition
Purdue Crop Diagnostic Training and Research Center Your Experts in the Field The Purdue Crop Diagnostic Training and Research Center is your source for timely, practical, and valuable cropping systems
More informationExotic Grasses: Identification, Comparison and Treatment 5 Early Detection Rapid Response (EDRR) Species
Exotic Grasses: Identification, Comparison and Treatment 5 Early Detection Rapid Response (EDRR) Species Capt. Greg Hendricks USDA-NRCS Retired Florida Master Naturalist Florida Eco Enterprises, LLC Merritt
More informationWeeding at LCCPF Rain Garden C
Weeding at LCCPF Rain Garden C Contents A. Weeding Instructions (below) Our weeding guidelines are pretty much what you would do in your own garden, with a few additions. a) Walk carefully between plant
More informationIt s found in all six New England states.
1 This plant in the daisy family is considered invasive in some states and can form large infestations. Habitat: Man-made or disturbed habitats, meadows or fields, not wetlands or ponds. The flower head
More informationArecaceae palm family Washingtonia filifera California fanpalm
Arecaceae palm family Washingtonia filifera California fanpalm Sight ID characteristics Southwestern US Moist soils, streams and narrow mountain canyons; oases Trunk stout, straight, leaves tufted at top,
More informationAQUATIC WEED IDENTIFICATION Purple Loosestrife Water Willow Water Primrose
Purple Loosestrife Water Willow Water Primrose Leaves are slightly heart-shaped at the base, coming to a point at the leaf tip. Leaves are small and more numerous near the tip. Leaves are long, narrow
More informationMajor Plants of the Great Plains
Major Plants of the Great Plains Amanda Gearhart Amanda Gearhart Mike Haddock Rangelands of the North America Deserts & Semideserts Grassland & Savannas Mediterranean Deserts & Semideserts Rangelands of
More informationCrops & Weeds. District & State 4-H O-Rama Junior & Senior 4-H ers Crop, Soil and Environmental Sciences
9/2017 Crops & Weeds District & State 4-H O-Rama Junior & Senior 4-H ers Crop, Soil and Environmental Sciences OBJECTIVES Targeted Life Skills: Self-esteem, Problem Solving, Wise Use of Resources, Self-motivation,
More informationIdentification of Grass Weeds Commonly Found in Agronomic Crops in Nebraska
EC3020 Identification of Grass Weeds Commonly Found in Agronomic Crops in Nebraska Debalin Sarangi, Weed Science Postdoctoral Research Associate Amit J. Jhala, Extension Weed Management Specialist This
More informationDATA SHEET: TREE ID. Leaf Additional Information Common Name Scientific name Moisture Habitat Preference
DATA SHEET: TREE ID Name Date Leaf Additional Information Common Name Scientific name Moisture Habitat Preference # Preference 1 Leaves opposite, simple Uplands, valleys 2 Tree has no thorns or thorn-like
More informationFestuca subuliflora Scribn. Crinkle-awned Fescue
Festuca subuliflora Scribn. Crinkle-awned Fescue Plant: Festuca subuliflora is a native species that grows 50 100 cm tall. It is a tuft-forming perennial with leaves up to the base of the open, widely
More informationPlant Identification. California Natives and Exotic Weeds
Plant Identification California Natives and Exotic Weeds Powerpoint Presentation and Photographs by Barbara Eisenstein, June 3, 2003 To identify plants use some of your senses (and your common sense):
More informationTree Identification Book. Tree ID Workshop Partners and Supporters
Tree Identification Book For the Long Sault Conservation Area Clarington Ontario Created by: Kevin Church, Andrew McDonough & Ryan Handy from Sir Sandford Fleming College Tree ID Workshop Partners and
More informationMajor Plants of the Southwest Region
Major Plants of the Southwest Region K. Launchbaugh K. Launchbaugh K. Launchbaugh Rangeland Ecology & 252 Wildland Plant Identification Rangelands of the North America 1 Deserts & Semideserts Grassland
More informationOLEACEAE OLIVE FAMILY
OLEACEAE OLIVE FAMILY Plant: woody vines, shrubs and trees Stem: Root: Leaves: mostly deciduous, some evergreen; simple or pinnately compound, opposite or rarely alternate; no stipules or rare Flowers:
More informationIdentification and Control of Johnsongrass, Vaseygrass, and Guinea Grass in Pastures 1
SS-AGR-363 Identification and Control of Johnsongrass, Vaseygrass, and Guinea Grass in Pastures 1 H. Smith, J. Ferrell, and B. Sellers 2 Johnsongrass is a common perennial grass that grows throughout the
More informationTerrestrial Invasive Species. Susan Burks Invasive Spp Program Coord MNDNR, Forestry
Terrestrial Invasive Species Susan Burks Invasive Spp Program Coord MNDNR, Forestry Gypsy Moth Adults (Jul-Sept) Pupae (Jun-Jul) Caterpillars (Apr-Jun) Egg mass (Jul-Apr) Continental Gypsy Moth Quarantines
More informationHeights of Melica species. Tall ( cm) Melica smithii Smith s melic. Centimetres
MELICA Oniongrass The name Melica comes directly from the Italian name for a kind of sorghum. The genus Melica resembles Bromus in the overall appearance of the flowerhead, which may vary from a form with
More informationNon-native Weeds in the South Pasadena Nature Park - #1. Barbara Eisenstein, 2012
Non-native Weeds in the South Pasadena Nature Park - #1 Powerpoint Presentation and Photographs by Barbara Eisenstein, October 23, 2012 To identify plants use some of your senses (and your common sense):
More informationVegetative Key to Common Grasses of Western Washington
Vegetative Key to Common Grasses of Western Washington Vegetative Key to Common Grasses of Western Washington Printed June 2010 Prepared by: Kathryn Hill The Evergreen State College Ecological Agriculture
More informationTF, FF, KB, PR,B, C, SA, Z TF, FF, KB, PR, B, Z
Causal agents, susceptible species, symptoms and conditions that favor several common turfgrass diseases a Disease Causal Agent Susceptible Turfgrasses Symptoms/Conditions Favoring Disease Development
More informationBurs and Nuts American vs. Chinese. Chinese vs. American Chestnut
Chinese vs. American Chestnut (Castanea mollissima vs. Castanea dentata) Top View American Leaf (left): Leaf is long in relation to its width Large, prominent teeth on edge; bristle at the end of each
More informationAbout this guide... Uses
About this guide... The purpose of this guide is to help you identify come commonly used conservation plants. Its color photos, line drawings and seed photos will help you make identifications. Also included
More informationFagaceae - beech family! Quercus alba white oak
Fagaceae - beech family! Quercus alba white oak Sight ID characteristics Vegetative Features: Leaf: simple, alternate, deciduous, 4-9" long, pinnately 7-9 lobed, alternate, deciduous. Twig: red-brown to
More informationHow to identify American chestnut trees. American Chestnut Tree. Identification Resources. For the Appalachian Trail Mega-Transect.
American Chestnut Tree Identification Resources For the Appalachian Trail Mega-Transect Chestnut Project May 2008 How to identify American chestnut trees Excerpt from: Field Guide for locating, pollinating,
More informationPOACEAE [GRAMINEAE] GRASS FAMILY
Plant: annuals or perennials POACEAE [GRAMINEAE] GRASS FAMILY Stem: jointed stem is termed a culm internodial stem most often hollow but always solid at node, mostly round, some with stolons (creeping
More informationNo Characters No. of samples Methods Rank or measurement unit Remarks
Plant Egg plant 445 Primary essential character 1 Size of leaf blade 10 plants Measurement cm (round to the 1st decimal place) Length from leaf base to leaf apex in the largest leaf at the first flowering
More information2010 Area Crops Evaluation Exam
2010 Area Crops Evaluation Exam Instructions: READ EACH MULTIPLE CHOICE STATEMENT CAREFULLY AND THEN MARK THE ANSWER ON THE SCORE SHEET THAT CORRESPONDS TO THE BEST ANSWER. GOOD LUCK! 1. Which of these
More informationFINGER MILLET: Eleusine coracana (L.) Gaertn.
FINGER MILLET: Eleusine coracana (L.) Gaertn. 1. Growth habit Recorded 40 days after sowing- Tillering attitude 3 Decumbent 5 Erect 7 Prostrate 2. Plant pigmentation (At flowering) If Present On glumes
More informationCOMMELINACEAE SPIDERWORT FAMILY
COMMELINACEAE SPIDERWORT FAMILY Plant: herbs Stem: leafy, sometimes with swollen nodes Root: Leaves: simple, alternate, base forming closed tubular sheath around stem, parallel veined, somewhat fleshy
More informationMNPhrag. Minnesota Non-native Phragmites Early Detection Project. Guide to Identifying Native and Non-native Phragmites australis
MNPhrag Minnesota Phragmites Early Detection Project Guide to Identifying and Phragmites australis Dr. Daniel Larkin djlarkin@umn.edu 612-625-6350 Dr. Susan Galatowitsch galat001@umn.edu 612-624-3242 Julia
More informationCommon Arctic Grasses
Common Arctic Grasses Poaceae (Graminae) (Grasses): Alopecurus alpinus Arctagrostis latifolia Arctophila fulva Calamagrostis canadensis Deschampsia caespitosa (= D. brevifolius) Dupontia fisheri Festuca
More informationYellow floating heart
Yellow floating heart Nymphoides peltata 1. Glenn Miller, ODA 2. Beth Myers-Shenai, ODA Aquatics A 1 Aquatics Yellow floating heart Nymphoides peltata Description Perennial; bottom-rooted with long branched
More informationPORTULACACEAE PURSLANE FAMILY
PORTULACACEAE PURSLANE FAMILY Plant: herbs, rarely shrubs Stem: usually fleshy or succulent Root: Leaves: simple, entire, opposite or alternate, or in basal rosettes; stipules mostly absent, may be represented
More informationArecaceae palm family Washingtonia filifera California fanpalm
Arecaceae palm family Washingtonia filifera California fanpalm Sight ID characteristics Southwestern US Moist soils, streams and narrow mountain canyons; oases Trunk stout, straight, leaves tufted at top,
More informationCommon shrubs shrub-steppe habitats
Common shrubs shrub-steppe habitats Photos (unless noted) by Susan Ballinger Sources for text include: http://biology.burke.washington.edu/herbarium/imagecollection.php Flora of the Pacific Northwest by
More informationCORNACEAE DOGWOOD FAMILY
CORNACEAE DOGWOOD FAMILY Plant: shrubs and small trees (possibly herbs elsewhere) Stem: twigs with white or brown pith Root: Leaves: mostly deciduous but some evergreen; mostly not toothed but may be wavy,
More informationAGRICULTURAL EXTENSION SERVICE UNIVERSITY OF MINNESOTA -- U. S. DEPARTMENT OF AGRICULTURE INSTITUTE OF AGRICULTURE ST. PAUL MINNESOTI' 5~
9/ 75 500 ou M!SC -11/.5 ------- AGRICULTURAL EXTENSION SERVICE UNIVERSITY OF MINNESOTA -- U. S. DEPARTMENT OF AGRICULTURE INSTITUTE OF AGRICULTURE ST. PAUL MINNESOTI' 5~ UNJVERs;ry OF ~~It,. ~ ra l A
More informationCommon Weed Seedlings of the North Central States
North Central Regional Extension Publication No. 607 Andrew J. Chomas James J. Kells J. Boyd Carey Common Weed Seedlings of the North Central States Department of Crop and Soil Sciences Michigan State
More informationSummer. Key for. Pennsylvania. Trees. College of Agricultural Sciences Cooperative Extension. Protected Under 18 U.S.C. 707
Summer Key for Pennsylvania Trees Protected Under 18 U.S.C. 707 College of gricultural Sciences Cooperative Extension B C D E If the tree has 1a. Leaves needle or scale-like 2 1b. Leaves broad and flat
More informationCornaceae dogwood family Cornus florida flowering dogwood
Cornaceae dogwood family Cornus florida flowering dogwood Sight ID characteristics Vegetative Features: Leaf: 2 1/2-5" long, simple, opposite, deciduous, elliptical to ovate with arcuate venation and an
More informationCommon Name: RADFORD S SEDGE. Scientific Name: Carex radfordii L.L. Gaddy. Other Commonly Used Names: none. Previously Used Scientific Names: none
Common Name: RADFORD S SEDGE Scientific Name: Carex radfordii L.L. Gaddy Other Commonly Used Names: none Previously Used Scientific Names: none Family: Cyperaceae (sedge) Rarity Ranks: G2/S1? State Legal
More informationŘepka R., Veselá P. & Mráček J. (2014): Are there hybrids between Carex flacca and C. tomentosa
Řepka R., Veselá P. & Mráček J. (2014): Are there hybrids between Carex flacca and C. tomentosa in the Czech Republic and Slovakia? Preslia 86: 367 379. Electronic Appendix 1. Comparison of morphological
More informationCommon Name: PORTER S REED GRASS. Scientific Name: Calamagrostis porteri A. Gray ssp. porteri. Other Commonly Used Names: Porter s reed bent
Common Name: PORTER S REED GRASS Scientific Name: Calamagrostis porteri A. Gray ssp. porteri Other Commonly Used Names: Porter s reed bent Previously Used Scientific Names: Calamagrostis porteri A. Gray
More informationSugar maple tree named Legacy
( 1 of 1 ) United States Patent PP4,979 Wandell February 1, 1983 Sugar maple tree named Legacy Abstract This disclosure concerns a new and distinct variety of Acer saccharum (commonly known as sugar maple
More informationUnited States Department of Agriculture. Natural Resources Conservation Service. Developed by Jimmy Carter Plant Materials Center
United States Department of Agriculture Natural Resources Conservation Service Developed by Jimmy Carter Plant Materials Center Seedling ID Guide for Native Grasses in the Southeast Big Bluestem Eastern
More informationKey to Amanita of the Central and Northern California Coast
Key to Amanita of the Central and Northern California Coast Christian Schwarz, updated 30 July 2010, 20 January 2011, 24 Feb 2011, 3 Mar 2011 Taxa included: A. baccata sensu Arora A. muscaria A. pantherina
More informationIdentification and characteristics of the different mustard species in Kansas
Identification and characteristics of the different mustard species in Kansas Tansy mustard and flixweed Tansy mustard and flixweed are two similar mustard species common in central and western Kansas.
More informationAmerican beech. (Fagus grandifolia) Description: Only species of this genus found in North America.
American beech (Fagus grandifolia) Description: Only species of this genus found in North America. Habit: A medium to large tree up to 100 feet tall with a rounded crown. Old trees may be surrounded by
More informationTurfgrasses of Kentucky
AGR-216 Turfgrasses of Kentucky Gregg Munshaw, Plant and Soil Sciences Roughly 7,500 grass species are grown around the world, but only 14 species are adapted as turfgrasses that have been used extensively.
More informationBIOL 301 Extra Credit Assignment
BIOL 301 Extra Credit Assignment Name: Answer the following plant identification 'riddles' based on the species introduced in the course. Please write the common name on the line provided and scientific
More informationPorcelain Berry Identification, Ecology, and Control in the UW-Madison Lakeshore Nature Preserve
Porcelain Berry Identification, Ecology, and Control in the UW-Madison Lakeshore Nature Preserve Porcelain berry Ampelopsis brevipedunculata A perennial, deciduous woody vine in the grape family that can
More informationWeedy Grasses Why and how we need to deal with them
Weedy Grasses Why and how we need to deal with them Sarah Spear Cooke Seattle, Washington www.cookescientific.com Why do we care? Weedy grasses reduce crop yields because they invade pastures and rangeland
More informationPlant Identification. California Natives and Exotic Weeds
Plant Identification California Natives and Exotic Weeds Powerpoint Presentation and Photographs by Barbara Eisenstein, May 2003 To identify plants use some of your senses (and your common sense): e):
More informationWhich Willow? Non-native gray willow (Salix cinerea) Amanda Weise Ecological Programs Coordinator
Which Willow? Non-native gray willow (Salix cinerea) Amanda Weise Ecological Programs Coordinator Willows, sallows and osiers (Salix) Willow Forms Salicaceae family Deciduous trees and shrubs Dioecious
More informationMalvaceae mallow family
Malvaceae mallow family A large family, it includes prized ornamentals such as hibiscus and the textile cotton. Nova Scotia has but two genera of the 75 known. Ours are escaped garden flowers and weedy
More informationThe Dirty Dozen and Beyond. Identifying and Managing 25 Pasture Weeds of Wisconsin
The Dirty Dozen and Beyond Identifying and Managing 25 Pasture Weeds of Wisconsin Management is key! More than a quarter of agricultural land in the Midwest is in pasture, yet 80% of these pastures suffer
More informationSeed Structure. Grass Seed. Matured Florets. Flowering Floret 2/7/2008. Collection of cleaned, mature florets. Grass Flower.
Seed Structure Grass Seed Collection of cleaned, mature florets Matured Florets Bluegrass Fescue Ryegrass Bentgrass Flowering Floret Grass Flower Three stamens Each with one anther and one stigma One ovary
More informationKey to the Genera of the Cichorieae Tribe of the Asteraceae Family of the New York New England Region. Introduction
Introduction The Cichorieae Tribe: The Asteraceae family of plants is one of the largest plant families in the world, conservatively estimated to include over 23,000 species, with some estimates as high
More informationNo Characters No. of samples Methods Rank or measurement unit Remarks
Plant Squash 104(08003) Primary essential character 1 Seed length 10 seeds Measurement mm (round to the 1st decimal place) Length of dried ripe seeds 2 Color of seed coat 10 seeds Observation 0:No seed
More informationWEED SEEDLING IDENTIFICATION
Broadleaf Weed Characteristics WEED SEEDLING IDENTIFICATION Cotyledon and Leaf Shapes The leaves of broadleaf weeds are wider than grasses and have branching, netlike veins. The seed of broadleaf plants
More informationHow TO DISTINGUISH DIFFERENT KINDS OF TURF
CHAPfER VII How TO DISTINGUISH DIFFERENT KINDS OF TURF IT is often desirable to know definitely what grass composes a particular piece or patch of turf. This question arises frequently, and it is amazing
More informationEXERCISE 3.1: IDENTIFICATION OF MAJOR VEGETABLE CROPS OF OUR COUNTRY
Practical 3 EXERCISE 3.1: IDENTIFICATION OF MAJOR VEGETABLE CROPS OF OUR COUNTRY Objective : Imparting knowledge for the identification of different vegetable crops on the basis of different morphological
More informationbroadly winged samaras milky sap stout twigs broad leaves, green on both sides winter buds with only 4-6 scales Acer platanoides Norway Maple
TREES broadly winged samaras milky sap stout twigs broad leaves, green on both sides winter buds with only 4-6 scales Acer platanoides Norway Maple Ailanthus altissima tree of heaven compound leaves with
More informationAgrostis stolonifera L. Creeping Bentgrass
Agrostis stolonifera L. Creeping Bentgrass Plant: Agrostis stolonifera is an introduced species that grows to 60 cm tall. It is a perennial with stolons, and a large, open but narrowed flowerhead. Leaves
More informationFruits aid angiosperm seed dispersal by wind or by animals. Fruit development
Fruits aid angiosperm seed dispersal by wind or by animals Fruit development Ovule àseed Entire ovary including ovules à fruit Ovary wall à pericarp The pericarp usually has three layers The exocarp is
More informationFruits can be dry of fleshy
Fruits aid angiosperm seed dispersal by wind or by animals Fruit development Ovule àseed Entire ovary including ovules à fruit Ovary wall à pericarp The pericarp usually has three layers The exocarp is
More informationPlant Profiles: HORT 2242 Landscape Plants II
Plant Profiles: HORT 2242 Landscape Plants II Botanical Name: Picea abies Common Name: Norway spruce Family Name: Pinaceae pine family General Description: Picea abies is a large, dark green, pyramidal
More informationCommon Tree Species Guide for Greater Toronto Area and Niagara Region
Common Tree Species Guide for Greater Toronto Area and Niagara Region Sugar Maple Acer saccharum Bark: young trees have smooth, grey bark; mature bark is irregularly ridged to flaky when mature Leaves:
More informationPiñon Pine
Piñon Pine Plains Cottonwood Quaking Aspen Ponderosa Pine Douglas-fir Limber Pine Colorado Blue Spruce White Fir Lodgepole Pine Engelmann Spruce Subalpine Fir Bristlecone Pine Piñon Pine Pinus edulis
More informationWarm berries with smoked butter and meadowsweet with cordial.
4 servings Summer dish to be cooked in northern Sweden Warm berries with smoked butter and meadowsweet with cordial. 2-3 dl berries; wild blueberries, wild raspberries, lingonberries (rinsed) 1 handful
More informationDUS TEST REPORT. Oryza sativa L. (RICE) GROUP A LIST NAMES and PHOTOGRAPHY. No. Characteristics Candidate similar 1 Similar 2
DUS TEST REPORT Oryza sativa L. (RICE) 1. 2. 3. 4. 5. 6. 7. 8. 9. GROUP A LIST NAMES and PHOTOGRAPHY 15. Characteristics Included in the UPOV Test Guidelines. Name of Variety : No. Characteristics 1 2
More informationAlismataceae water-plantain family
Alismataceae water-plantain family Associated with freshwater and wetlands, these herbaceous plants have sagittate or linear leaves. The flowers have showy white petals and six or more stamens. Pistils
More informationTARGETED WEED CONTROL IN POTATO
TARGETED WEED CONTROL IN POTATO Pamela J.S. Hutchinson Potato Cropping Systems Weed Scientist University of Idaho Aberdeen R&E Center What s up for today? Know your nightshades Witch s Brews targeted control
More informationNew Washington State noxious weeds of concern to Southeastern Alaska Miller, Timothy W.
16 th Annual Invasive Species Workshop New Washington State noxious weeds of concern to Southeastern Alaska Miller, Timothy W. Washington State University NWREC, 16650 State Route 536, Mount Vernon, WA
More informationCover photo: The Frenchman River south of the Cypress Hills on the Caton Ranch. Photo credit: Alicia N. Hargrave
Cover photo: The Frenchman River south of the Cypress Hills on the Caton Ranch. Photo credit: Alicia N. Hargrave Introduction This field guide is intended for basic plant identification and reviews the
More informationPOLEMONIACEAE PHLOX FAMILY
POLEMONIACEAE PHLOX FAMILY Plant: herbs; shrubs or rarely trees or vines Stem: Root: Leaves: simple, mostly entire but some lobed or pinnately/palmately divided; mostly opposite but some alternate or whorled;
More informationCOMMON CONIFERS OF THE PNW
COMMON CONIFERS OF THE PNW The common conifers in the Pacific Northwest belong to the following genera: Abies, Calocedrus, Callitropsis, Juniperus, Larix, Picea, Pinus, Pseudotsuga, Taxus, Thuja, and Tsuga.
More informationGlossary ( 1-Jan-2001 )
In: A Guide to Plant Poisoning of Animals in North America, A. P. Knight and R. G. Walter (Eds.) Publisher: Teton NewMedia, Jackson WY (www.veterinarywire.com) Internet Publisher: International Veterinary
More informationPart 1: Naming the cultivar
IPC Logo REGISTRATION FORM FOR a CULTIVAR NAME of SALIX L. Nomenclature and Registration Addresses for correspondence: FAO - International Poplar Commission (appointed in 2013 as the ICRA for the genus
More informationTen Common Conifers of the Tampa Bay Area1
ENH1247 1 Andrew K. Koeser, Holly Finley, Gitta Hasing, Gary W. Knox, and Melissa H. Friedman2 Introduction This article will assist you in identifying 10 conifers commonly found throughout Tampa Bay area
More informationLeaves Flowers Fruit Other Alternate Young lvs 3-5 lobed Adult lvs (on vertical structures) ovate, Both entire Long petioles Prominent veins
Sciadopitys verticillata (SCIADOPITYACEAE) Japanese umbrella pine Japan Linear, 3-5 long Revolute margins Whorled (verticellate) in 10+ Lvs thick and grooved (looks like two fused needles on underside)
More informationInvasive Plants. Impacts: It competes out native plants, reduces biodiversity and wildlife habitat.
1. Yellow starthistle Invasive Plants Origin: Europe- Mediterranean region. Description: Yellow starthistle grows to about 1.5 to 3 feet in height. Plants are gray-green to blue-green and have deep taproots.
More informationCommon Name: AWNED MEADOWBEAUTY. Scientific Name: Rhexia aristosa Britton. Other Commonly Used Names: awnpetal meadowbeauty
Common Name: AWNED MEADOWBEAUTY Scientific Name: Rhexia aristosa Britton Other Commonly Used Names: awnpetal meadowbeauty Previously Used Scientific Names: none Family: Melastomataceae (meadowbeauty) Rarity
More information