PLACROSYM IV. Associate Editors. Central Plantation Crops Research Institute

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1 PLACROSYM IV GENETICS, PLANT BREB j HA N vj OVER I TECHNrSCHE JF^7or-/n-CA/e/l NFORMATIONSBIBLIOTHEK S VISHVESHWARA Director of Research Central Coffee Research Institute Chikmagalur MS SREENIVASAN Head, Division of Botany Associate Editors W KRISHNAMURTHY RAO Head, Division of Agronomy CS SRINIVASAN K PURUSHOTHAM Biometrician Horticulturist Central Coffee Research Institute Chikmagalur RD IYER MK NAIR Head, Division of Genetics Joint Director : Kasaragod Calicut * Central Plantation Crops Research Institute VS SHARMA AON PANICKER UPASI Tea Research Deputy Director Institute Rubber Research Institute of India Cinchona Kottayam Jointly organised by Cardamom Board Research Department Central Coffee Research Institute Central Plantation Crops Research Institute Indian Society for Plantation Crops Rubber Research Institute of India and UPASI Tea Scientific Department iii

2 CONTENTS GENETICS AND CYTOLOGY (Session I) OBSERVATIONS ON THE COCONUT GENEPOOL IN LAKSHADWEEP ISLANDS PM Jacob and B Krishnamoorthy ON MEGASPORE TETRADS OF COFFEE PERIODICITY OF MICROSPOROGENESIS IN INTERSPECIFIC HYBRIDS OF COFFEE AGSM Reddy FREQUENCY OF POLYPLOIDS IN Coffea arabica. L 23, M Ramachandran and KR Sundar TOWARDS AN IDEAL PLANT TYPE CONCEPT IN COCONUT.. 29 RD Iyer, EVV Bhaskara Rao, CK Sukumaran and PM Jacob ANEUPLOIDS IN ROBUSTAX ARABICA HYBRIDS MICROSPOROGENESIS IN GINGER (Zingiber officinale Rose.).. 44 MJ Ratnambal and MK Nair STUDIES ON THE PROGENIES OF A HEVEA MUTANT.. 58 VC Markose, CK Saraswathy Amma, J Licy and PJ George MEIOTIC INDICES IN SOME SPECIES OF Coffea L , M Ramachandran and A Santa Ram I BREEDING TEA POLYPLOIDS ID Singh, PC Sharma and HP t Bezbaruah

3 PLANT PROPAGATION (Session II) SEASONAL VARIATION IN BUDDING SUCCESS UNDER INDIAN CONDITIONS IN Hevea brasiliensis. MULL ARG Joseph G Marattukalam and D Premakumari STUDIES ON THE PROPAGATION OF PEPPER {Piper nigrum AND CINNAMON {Cinnamomum zeylanicum BREYN.).. 87 < " G Dharmaraj EFFECT OF GROWTH REGULATORS ON ROOTING OF COFFEE CUTTINGS K Purushotham and S Vishveshwara AN EVALUATION OF TISSUE CULTURE TECHNIQUES IN COCONUT AND TURMERIC MS Kuruvinashetti and RD Iyer INTERACTION OF NEW HORMONAL FORMULATIONS WITH L.) THE TEXTURE AND PH OF ROOTING MEDIUM IN ROOTING OF TEA CUTTINGS VS Sharma, N Satyanarayana and K Ramachandran STUDIES ON VEGETATIVE PROPAGATION OF CASHEW {Anacardium occidentale L.) S Nagabushanam STOCK-SCION INTERACTION AND NURSERY GRAFTING IN TEA {Camellia SPP.) VS Sharma and N Satyanarayana STUDIES ON THE EFFECT OF PRE-SOAKING TREATMENTS ON SEED GERMINATION AND SEEDLING GROWTH OF Coffea canephora L Shivarama Reddy, K Purushotham and M Zwingly Prem Kumar GERMINATION STUDIES IN COCOA {Theobroma cacao L.) K Kumaran, R Gopinathan and S Prasannakumari SEED GARDEN FOR QUALITY SEED PRODUCTION IN CARDAMOM {Elettaria cardamomum) SB Dandin, KJ Madhusoodanan and Koshy John r SPECIFIC GRAVITY SELECTION OF SEEDS IN COCOA AND CASHEW 145 PN Ravindran and MA Menon BIOMETRICS ( Session III) FRUIT PARAMETERS AFFECTING BEAN SIZE AND WEIGHT IN Coffea canephora KR Sundar VARIABILITY IN POD AND BEAN CHARACTERS IN SOME CACAO HYBRIDS N Subramonian and D Balasimha CLONAL VERSUS SEEDLING PERFORMANCE IN ROBUSTA COFFEE : AN EVALUATION OF MORPHOLOGICAL CHARACTERS RELATED TO YIELD V Subbalakshmi, KR Sundar and CS Srinivasan GENETIC VARIABILITY AND CORRELATION OF SOME POD AND BEAN CHARACTERS IN COCOA ' FORASTERO ' K Kumaran and S Prasannakumari PATH COEFFICIENT ANALYSIS IN COCONUT CK Sukumaran, G Narasimhayya and G Vijayakumar AN INDEX FOR EVALUATION OF COCONUT GERMPLASM IN THE NURSERY EVV Bhaskara Rao and Jacob Mathew IMPACT OF SEEDNUT SELECTION ON HERITABILITY, GENOTYPIC AND PHENOTYPIC CORRELATIONS IN ARECANUT S Bhagavan, KVA Bavappa, PR Ramachander, BP Nair and MJ Ratnambal xi

4 DETERMINATION OF LEAF AREA IN TEA {Camellia SPP.) N Satyanarayana and BVN Rao NATURAL VARIATIONS IN THE YIELD PARAMETERS OF CARDA- MOM {Elettaria cardamomum) KV George, SB Dandin, KJ Madhusoodanan and Koshy John GROWTH AND YIELD PERFORMANCE OF COCONUT GERMPLASM COLLECTION AT AGRICULTURAL RESEARCH STATION, ARSIKERE (KARNATAKA) NR Shanthamallaiah, TN Venkatesha Gowda, R Krishna Manohar and P Balakrishna VARIABILITY AND CORRELATION OF CERTAIN CHARACTERS IN CASHEWNUT Sjemanthini Ramadas and D Veeraraghava Thatham BIOMETRIC BASIS FOR CLONAL SELECTION IN TEA N Satyanarayana and VS Sharma PLANT BREEDING (Session IV) CONTROLLED CROSSING TECHNIQUE IN BLACK PEPPER (Piper nigrum L) PN Ravindran, MK Nair and PA Mathew FRUIT SET IN COFFEE UNDER DIFFERENT MODES OF POLLI- NATION IN ANDHRA AGSM Reddy, KVVS Raju and PS Dharmaraj VARIABILITY IN THE YIELD OF SEEDLING POPULATION OF CARDA- MOM HV Pattanshetti and UV Suiladmath PERFORMANCE OF SOME RRIM CLONES IN INDIA VK Bhaskaran Nair and Joseph G Marattukalam COMPARATIVE PERFORMANCE OF SEEDLING AND CLONAL PROGENIES OF CARDAMOM HV Pattanshetti and GS Sulikeri xu COMPATIBILITY STUDIES IN Coffea canephora and S Vishveshwara EVALUATION OF HORIZONTAL RESISTANCE TO LEAF RUST IN Arabica Coffee CS Srinivasan, M Ramachandran, KR Sundar and V Subbalakshmi COMPARATIVE PERFORMANCE OF PROGENIES FROM CHOW- GHAT DWARF ORANGE COCONUT K Satyabalan and G Vijayakumar STUDIES OF RADIATION BREEDING IN THE TEA PLANT ID Singh and PC Sharma CONTROLLED HYBRIDIZATION IN TEA (Camellia SPP.) PRELI- MINARY STUDY ON COMPATIBILITY BETWEEN CLONES N Satyanarayana and VS Sharma PRELIMINARY INVESTIGATIONS ON pisifera WITH SPECIAL REFERENCE TO THE GENETIC IMPROVEMENT OF OIL PALM (Elaeis guineensis Jacq.) IN INDIA RSN Pillai and KUK Nampoothiri STUDIES ON POLLINATION AND FRUIT SET IN CARDAMOM (Elettaria cardamomum) KJ Madhusoodanan, KV George and SB Dandin BREEDING CARDAMOM FOR ' KATTE ' DISEASE RESISTANCE G Subbarao and R Naidu COMPARATIVE PERFORMANCE OF PROSTRATE AND ERECT TYPES OF CARDAMOM UNDER MUDIGERE CONDITIONS GS Sulikeri, HV Pattanshetti and VN Shivanandam EFFECT OF MUTAGENS ON GERMINATION IN CARDAMOM AA Mohamed Sayed and G Subbarao xiii

5 SENSITIVITY OF CACAO SEEDS TO PHYSICAL AND CHEMICAL MUTAGENS G Dharmaraj MUTATION BREEDING IN PEPPER SENSITIVITY STUDY G Dharmaraj NOTES ON TENDER COCONUT CULTIVARS IN KARNATAKA NR Shanthamailiah, R Krishnamanohar, B Mahawesh and TN Venkatesha Gowda MORPHOLOGY, FLORAL BIOLOGY AND SYSTEMATICS (Session V) SEXUAL POLYMORPHISM AND EVOLUTION OF SEX IN CARDAMOM (Elettaria cardamomum) SB Dandin, KJ Madhusoodanan and KV George INFLUENCE OF CERTAIN CHEMICALS ON COFFEE POLLEN M Zwingly Prem Kumar, K Purushotham and L Shivarama Reddy ANTHESIS AND ANTHER DEHISCENCE OF CASHEW FLOWER KVJ Mohan, PM Kumaran, KN Murthy and NM Nayar A CHEMOTAXONOMIC STUDY OF Coffea arabica L A Santa Ram and BIOLOGY OF FLOWER IN SOME TEA (Camellia SPP.) CLONES OF SOUTH INDIA VS Sharma, M Mohanan and AT Selvan STUDIES ON FRUIT CHARACTERISTICS OF HEVEA.. CK Saraswathy Amma, VC Markose and AON Panicker xiv 384 MORPHOLOGY AND SYSTEMATICS OF SOME TEA (Camellia SPP.) CULTIVARS M Mohanan and VS Sharma CARDAMOM DESCRIPTOR SB Dandin and KJ Madhusoodanan f" POLLEN FERTILITY OF THE INTERSPECIFIC HYBRIDS OF COFFEE A Santa Ram, M Ramachandran and COMPARATIVE FOLIAR ANATOMICAL STUDIES OF CLONAL TEA K Raman and PC Cheng STUDIES ON THE CAMBIAL ACTIVITY IN Hevea bmsiliensis. MULL ARG D Premakumari, AON Panicker, Y Annamma and KP Leelamma FLORAL BIOLOGY AND VARIATION IN CINNAMON.. Josy Joseph POLLEN MORPHOLOGY OF EIGHT SPECIES OF Piper BA Rahiman PLENARY SESSION AUTHOR INDEX XV VARIABILITY AND GERMINATION OF POLLEN IN SOME TEA (Camellia SPP.) CULTIVARS M Mohanan and VS Sharma FLOWERING, POLLINATION AND POD SETTING IN CACAO 449 PN Ravindran GROWTH AND DEVELOPMENT OF GERMINATING SEEDS OF Coffea canephora L Shivarama Reddy, K Purushotham and M Zwingly Prem Kumar

Chapter V SUMMARY AND CONCLUSION

Chapter V SUMMARY AND CONCLUSION Coffea is economically the most important genus of the family Rubiaceae, producing the coffee of commerce. Coffee of commerce is obtained mainly from Coffea arabica and