Characterization of elite forage cowpea genotypes for DUS traits

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dc.contributor.advisorPhogat, D.S.
dc.contributor.authorSunil Kumar
dc.date.accessioned2016-10-27T09:20:50Z
dc.date.available2016-10-27T09:20:50Z
dc.date.issued2012
dc.description.abstractThe objective of present investigation was to for characterize twenty genotypes of cowpea {Vigna unguiculata (L.) walp.} on the basis of morphological characters provided by IITA, Ibadan, Nigeria for DUS testing in cowpea. Results revealed that maximum variation was found among genotypes on the basis of eye colour in which genotypes IC249141, GFC-4, GFC-3, COFC8 had black and blue, CO4 had speckling, EC3941-1 had tan and brown, EC101980 and Kohinoor had red and remaining twelve genotypes had white, cream, brown splash and gray colour group. Whereas, eye pattern varied from Watson group (seven genotypes), holstein group (three genotypes), small eye group (four genotypes), narrow eye (three genotypes) to kappa group (three genotypes). On the basis of plant growth habit four groups were made acute (two genotypes), erect (nine genotypes), semi-erect(four genotypes) and semi-prostrate (five genotypes).On the basis of extent of seed crowding genotypes had four groups had extreme crowder (three genotypes), crowder (four genotypes), semi-crowder (genotype IC249141) and non-crowder (eleven genotypes). On the basis of twining tendency the genotypes were divided in three groups none (five genotypes), moderate (fourteen genotypes), pronounced (genotype CO5). Whereas, shape of terminal leaflet varied from very globose (genotype Kohinoor), sub-globose (five genotypes) to globose (fourteen genotypes). On the basis of pod attachment to peduncle the genotypes were divided into three groups, two genotypes HC-46 and CO(CP)-7 were erect, seventeen genotypes were attached at angle of 30 to 90 degree and the genotype EC101980 was pendant. On the basis of seed length genotypes were divided into three groups, very short(three genotypes), short (thirteen genotypes) and intermediate (three genotypes). On the basis of seed thickness genotypes were divided into three categories, genotypes CS88 and Kohinoor were thick, three genotypes were flat, fifteen genotypes were very-flat. Classification of genotypes on the basis of DUS traits provided identification of key characteristics of various genotypes.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/82387
dc.language.isoenen_US
dc.publisherCCSHAUen_US
dc.subGenetics and Plant Breeding
dc.subjectPheromones, Coffee, Biological phenomena, Developmental stages, Land resources, Planting, Attractants, Wastes, Chromatography, Yieldsen_US
dc.these.typeM.Sc
dc.titleCharacterization of elite forage cowpea genotypes for DUS traitsen_US
dc.typeThesisen_US
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