Ethnobotanical Leaflets 13: J. Kayode, M. K. Olanipekun and P. O. Tedela

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Ethnobotanical Leaflets 13: 739-51. 2009. Medicobotanical Studies in Relation to Veterinary Medicine in Ekiti State, Nigeria: Conservation of Botanical Species Used for the Treatment of Poultry Diseases J. Kayode, M. K. Olanipekun and P. O. Tedela Department of Plant Science, University of Ado-Ekiti, Ado-Ekiti, Nigeria E-mail: josmodkay@yahoo.com Issued 01 June 2009 ABSTRACT The rare veterinary botanicals in Ekiti State were identified using semi-structured questionnaire matrix. The traditional ecological knowledge defined by the respondents was used to identify the relevant strategies that could guaranteed the continuous supply of the species in the study area. INTRODUCTION In Nigeria, recent initiatives had continued to enumerate the importance of botanicals in the livelihood of her citizenry. Apart from the income and essential products derivable from the botanicals, their roles in health maintenance is now widely recognized. Kayode et al. (2009) had stressed the importance of botanicals in the maintenance of the health of livestock in Ekiti State, Nigeria. The rapid and massive deforestation that characterized the Nigerian vegetation has now became a permanent feature of the local environment of Ekiti State, Nigeria Attempts to reduce or perhaps eliminate bush burning, the major culprit of deforestation in the state, had failed woefully. The ongoing extensive road construction activities further complicates the threat to the environment. It is pertinent therefore to examine the abundance of the veterinary botanicals, identify the rare species among them and propose sustainable strategies that would enhance their availability to the present and future generations. These constitute the objectives of the study being reported here. MATERIALS AND METHODS The detail description of the methods used in the enumeration had been provided by Kayode et al (2009). The major source(s) of the species was/were determined. The availability and the relative abundance of the species in the study area were determined using the ease at which any of the species

could be found when such is required for use. Secondary information was obtained from interviews conducted with botanical vendors in the major market centres in each of the zones of the study area and other key informants stated in Kayode et al. (2009). RESULTS AND DISCUSSION A total of 38 species were identified as being used for the treatment of pests and diseases in the study area. Kayode et al (2009) had given the description and occurrence of these species, The species (Table 1) could be grouped into two categories: the cultivated and not cultivated species (Table 2). The cultivated species could further be classified into two sub groups, the widely and sparsely cultivated species. The widely cultivated species were those species with edible fruits and species whose leaves were valued for their medicinal usage. These species were also valued as important sources of income most especially during the off-farm seasons. They include C. frutescens, C. papaya, C. aurantifolia, M. paradisiacal and Z.mays, all valued for their fruits, N. tobacum, O. bascilicum and V. amygdalina, valued for their medicinal leaves, as well as S. officinarum valued for its edible stem. The sparsely cultivated species were A.arabica, A. digitata, A. indica, S, alata and S. occidentale valued primarily for the provision of shade and J. gossypifolia used primarily for erosion control and for boundary demarcation. The fact that these species were cultivated in the study area constituted a favourable incentive for the cultivation of these species in large quantities. The production of the edible fruits in large quantities may alleviate the existing poverty as this would constitute a viable source of income especially during the off-farm season. Recently the Ekiti State Government in partnership with some private investors is putting up a multimillion dollar biofuel production plants that would be making use Jatropha species. This could further boost the cultivation of Jatropha in the study area. Most of the species that were not cultivated have their wildlings preserved in the study area. The preservation of their seedlings that grow in the wild was borne out of the realization for their usefulness as sources of important products that ranged from medicine (human medicine), shade, boundary demarcation, erosion control and fuel wood. These species include A.melegueta, B. ferruginea, F. exasperate, L. siceraria, P. biglobosa, S. americanum, T. triangulare, T. schionperiana, T. vogelii, V. paradoxa and V. doniana. S. americanum and T. triangulare were herbaceous vegetables that grow abundantly in the study area. The fruits and seeds of P. biglobosa are important delicacy in the study area. It could therefore constitutes an important source of income if cultivated in large quantity in the study area hence they readily availability of market for its seeds could serve as incentive for the large scale cultivation of the species. Previous study by Kayode (2004) had revealed that the lack of silvicultural knowledge of indigenous species had constituted an important disincentive to their cultivation. The dormancy of the seeds of this species had also hindered its adoption for cultivation, by

the rural farmers. Field observation during this study also revealed that the respondents lacked the requisite knowledge on the silvicuture of A.melegueta, B. ferruginea, F. exasperate, T. schionperiana, T. vogelii, V. paradoxa and V. doniana. Considerable length of time is taken when sourcing for these species hence they constituted the scarce species among these veterinary species. A. spinosus, B. diffusa, C. odorata, C. owariensis, D. stramonium, L. camera, M. charanta, P. nigrescens and P. daemia were also not cultivated in the study area. They grow naturally as wildlings and they were found abundantly in the study area while A. cepa and A. sativum that were equally not cultivated in commercial quantities in the study area were easily found for purchase from the retailers who sourced them from the northern parts of Nigeria, about 200 to 1000km from the study area. Thus A.melegueta, B. ferruginea, F. exasperate, L. siceraria, P. biglobosa, S. americanum, T. schionperiana, T. vogelii, V. paradoxa and V. doniana could be regarded as the rare species amongst the identified veterinary botanicals. At present, S. americanum is not rare but may be included because of its similar features with the other rare species. Field observations revealed that most of the residents possessed considerable indigenous knowledge on the identified rare species (Tables 3-12) which could serve as enabling strategies toward the of the rare species. These include the knowledge on their utilities, elementary reproduction methods, time of flowering and fruiting, type of soil and growth characteristics of some of the species. In conclusion, with the increasing conversion of the existing vegetation in the study area into monoculture plantation of exotic species and agriculture, there is the likelihood of continuous erosion of botanical species in the study area. Thus there is the need for public enlightenment campaign on the danger inherent in biodiversity loss; the relative regrowth capabilities of the rare veterinary species should be defined, sustainable harvesting methods should be derived for the species. While the harvesting of seeds and leaves were not supposed to be predatory and annihilative, the harvesting of seeds and leaves in species that were not cultivated could be so described. There is also the need for detailed studies on the biology of these species. Kayode and Ogunleye (2008), Kayode and Omotoyinbo (2008), Omotoyinbo and Kayode (2008) had advocated these positions recently. Botanical gardens, where identified endangered species could be cultivated, should also be established in each zones of the state. Ex situ devices, where important rare species are cultivated and later reintroduced into their natural environment, should also be utilized. All these will guarantee the survival of the identified rare species and make them with relative ease when required. REFERENCES Kayode, J. (2004). Conservation Perception of Endangered Tree Species by Rural Dwellers of Ekiti State, Nigeria. Journal of Sustainable Forestry 19(4): 1-9. Kayode, J. and Ogunleye, T. (2008). Checklist and Status of Plant Species Used as Spices in Kaduna State of Nigeria. Research Journal of Botany 3 (1), 35-40.

Kayode, J. and Omotoyinbo, M. A. (2008). Conservation of Botanicals Used for Dental and Oral Healthcare in Ekiti State, Nigeria. Ehnobotanical Leaflets 12. Omotoyinbo, M. A. and Kayode, J. (2008). Checklist and status of chewing stick plant species in Ekiti State, Nigeria. In: Research for Development in Forestry, Forest Products and Natural Resources Management (Eds. Onyekwelu, J. C., Adekunle, V. A. J. and Oke, D. O. ). Proceedings of the First Conference of Forest and Forest Products Society, Federal University of Technology, Akure, Nigeria. 16 th 18 th April 2008. pp 27-33. Kayode, J, Olanipekun, M. K. and Tedela, P. O. (2009). Medicobotanical studies in relation to veterinary medicine in Ekiti State, Nigeria: Checklist of botanicals species used for the treatment of poultry diseases.ethnobotanical Leaflets 13: 40-46. Table 1.Identified botanicals used in the cure of veterinary pests and diseases in Ekiti State, Nigeria. S/N Botanical Species Major Source(s)* Availability and abundance in the study area 1 2 3 1. Acacia arabica CA HA FR Cultivated for the control of wind erosion, frequently 2. Adansonia digitata FR CA HA Cultivated for its edible fruit, occasionally 3. Aframomum melagueta HF FR CA Not cultivated but wildlings are preserved, abundantly 4. Allium cepa PH - - Not cultivated but readily and in abundant, 5. Allium sativum PH HF - Not cultivated but readily and in abundant, 6. Amarantus spinosus HF CA HA Not cultivated, grow as weed, abundantly 7. Azadirachta indica CA HA - Cultivated for control of wind, provision of shade, frequently 8. Boerhavia diffusa HF CA HA Not cultivated, grow as weed, abundantly 9. Bridelia ferruginea FR HF CA Not cultivated but widely preserved because of its medicinal values, frequently

10. Capsicum frutescens HF PH - Cultivated for its edible fruits, abundantly 11. Carica papaya HF HA PH Cultivated for its fruits, abundantly 12. Chromoleana odorata HA CA HF Not cultivated, grow as weed, abundantly 13. Cissampelos owariensis HF FR HA Not cultivated, grow as weed, abundantly 14. Citrus aurantifolia HF HA PH Cultivated for its edible fruits, abundantly 15. Datura stramonium CA FR HF Not cultivated, grow as weed, abundantly 16. Elaeis guineensis HF PH HA Cultivated for its edible fruits and other economic products, abundantly 17. Ficus exasperate FR CA HF Not cultivated, wildling preserved, occasionally 18. Jatropha gossypifolia HA CA - Cultivated for erosion control, hedge plant, boundary demarcation, frequently 19. Lagenaria siceraria HA HF CA Often cultivated for the control of erosion and for the demarcation of boundary, occasionally 20. Lantana camera CA FR HF Not cultivated, frequently 21. Momordica charantia CA HF FR Not cultivated, frequently 22. Musa paradisiaca HF HA PH Cultivated for its edible fruits, abundantly 23. Nicotiana tobacum HF HA PH Cultivated for its leaves, abundantly 24. Ocimum bascilicum HF HA - Often not cultivated, sometimes cultivated, abundantly 25. Parkia biglobosa HF CA - Not cultivated but wildling preserved, frequently 26. Pergularia daemia FR CA HA Often not cultivated but wildling preserved, sometimes cultivated especially in the HA, occasionally 27. Perquetina nigrescens FR CA HA Not cultivated, occasionally

28. Saccharum officinarum HF PH HA Cultivated for its edible stem, frequently 29. Senna alata CA HA - Cultivated for shade provision, occasionally 30. Senna occidentalis CA HA - Cultivated for provision of shade, occasionally 31. Solanum americanum HF PH - Not cultivated but wildlings preserved, abundantly 32. Talinium trangulare HF HA CA Not cultivated, grow as wildlings that are preserved, abundantly 33. Tephrosia vogelii FR CA - Not cultivated, occasionally 34. Terminalia schimperiana FR CA - Not cultivated, wildlings preserved, occasionally 35. Vernonia amygdalina HF HA CA Often not cultivated, sometimes cultivated for its medicinal leaves abundantly 36. Vitex doniana FR CA - Not cultivated, occasionally 37. Vitellaria paradoxa FR CA - Not cultivated, occasionally 38. Zea mays HF PH - Cultivated, abundantly * 1 = Primary source, 2 =Secondary source, 3 =Tertiary source CA = Common area, FR = Forest, HA = Household area, HF = Household farm, PH = Purchased Table 2. Status of the identified botanicals used for the cure of veterinary pests and diseases in Ekiti State, Nigeria. Status Botanical Species

(a) Cultivated Species (i) N. Widely cultivated species: C. frutescens, C. papaya, C. aurantifolia, M. paradisiaca, tobacum, O. bascilicum, S. officinarum and V. amygdalina, and Z.mays. (ii) Sparsely cultivated species: A.arabica, A. digitata, A. indica, J. gossypifolia, S, alata and S. occidentale. (b) Uncultivated Species (ii) Preserved wildling species: A.melegueta, B. ferruginea, F. exasperate, L. siceraria, P. biglobosa, S. americanum, T. triangulare, T. schionperiana, T. vogelii, V. paradoxa and V. doniana (ii) Weed species: A. spinosus, B. diffusa, C. odorata, C. owariensis, D. stramonium, L. camera, M. charanta, P. nigrescens and P. daemia (iii) Purchased species: A. cepa and A. sativum Table 3. The potentials of the respondents indigenous ecological knowledge on the of A. meleguata. Its fruits, seeds and leaves are used in the study area Its seeds are important ingredients of many traditional products medicine It is a perennial plant more It can be cultivated in home garden domestication This could enhance willingness to be Ready market for its Its derivable benefits could last for than a year This could enhance its

Table 4. The potentials of the respondents indigenous ecological knowledge on the of B. ferruginea. Its stem barks, roots and leaves are used in the study area This could enhance willingness to be It grow on varieties of soil ecological It has short and twisted bole with more or less open canopy agricultural It is fire resistance and Its barks is used in curing numerous human diseases Its barks are in the market for sold It could be cultivated in all the zones of the state These ideotypic characters could enhance its incorporation with crops Suitable in the study area where slash burn is the major agricultural system practiced Ready market for its products It could constitutes source of additional income Table 5. The potentials of the respondents indigenous ecological knowledge on the of F. exasperata.

Its stem barks, roots and seeds are used in the study area This could enhance willingness to be It grow on well drained soil ecological It grow well in fringing forest areas the state It fruits in the dry season planting at It could be cultivated in all the zones of the state It could thrive well in most parts of Its seeds could be for the onset of the rains Table 6. The potentials of the respondents indigenous ecological knowledge on the of L. siceraria. The whole parts of the plant is used in the study area It grow on well drained light soil ecological It is easy to grow, could be sown directly or in pots garden and later transplanted It requires 3 to 4 months to mature The wild type (present in the state) is perennial more This could enhance willingness to be It could be cultivated in all the zones of the state These make it suitable for home and cultivation in commercial quantities This ensures early returns from its cultivation Its derivable benefits could last for than a year

Calabash, a product of this species is of cultural value convince Its seeds is now known to be reach in oil viable This attributes could be used to indigenes to cultivate the species and perhaps domesticate it This tend to indicate that large scale cultivation of the species would be a source of income Table 7. The potentials of the respondents indigenous ecological knowledge on the of P. biglobosa. Its stem barks, leaves and fruit pulp are used in the study area It grow on loamy and sandy soil ecological It grow well in derived savanna areas state It fruits in the dry season planting at Its seeds is a source of local soup ingredient this called Iru Conservatione conjecture This could enhance willingness to be It could be cultivated in all the zones of the state It could thrive well in most parts of the Its seeds could be for the onset of the rains Ready market for seeds from species Table 8. The potentials of the respondents indigenous ecological knowledge on the of S. americanum.

The whole parts of the plant is used in the study area It grow in humid areas with various soil types ecological or near water source in semi arid areas It grow naturally in disturbed localities, and open or lightly shaded areas It could be sown directly or in pots and later transplanted or by stem cutting It requires 3 to 4 months to mature This could enhance willingness to be It could be cultivated in all the zones of the state It is suitable for home garden domestication These make it suitable for home garden and cultivation in commercial quantities This ensures early returns from its Cultivation Table 9. The potentials of the respondents indigenous ecological knowledge on the of T. schionperiana. Its stem barks and roots used in the study area It grow well in fringing forest and derived savanna ecological It fruits in the dry season planting at This could enhance willingness to be It could be cultivated in all the zones of the state Its seeds could be for the onset of the rains Table 10. The potentials of the respondents indigenous ecological knowledge on the of T. vogelii.

Its leaves and seeds are used in the study area It grow well in derived savanna zone It is fire resistance and It fruits in the dry season planting at It could be cultivated as ornamental or wind brake It could be planted as cover crop existing It is now known to have insecticidal properties This could enhance willingness to be It could be cultivated in the savanna of the state Suitable in the study area where slash burn is the major agricultural system practiced Its seeds could be for the onset of the rains Suitable for domestication Suitable for incorporation into the agricultural methods Suitable for cultivation in commercial proportion Table11. The potentials of the respondents indigenous ecological knowledge on the of V. doniana.

Its stem bark, roots and leaves are used in the study area This could enhance willingness to be It grow well in well drained soil the It could be cultivated as fruit tree scale Its roots and bark is now known to produce dye It could be cultivated in most parts of state Suitable for domestication and large (commercial) proportion Suitable for cultivation in commercial proportion and as a major source of income Table 12. The potentials of the respondents indigenous ecological knowledge on the of V. paradoxa. Its seeds and roots are used in the study area It grow on many types of soil ecological It fruits in the dry season planting at Its fruits is a source of local ointment called Ori of This could enhance willingness to be It could be cultivated in all the zones of the state Its seeds could be for the onset of the rains Ready market for the fruit this species