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Journal of Biological Sciences
Year: 2001  |  Volume: 1  |  Issue: 3  |  Page No.: 97 - 98

Correlation of Economically Important Traits in Warm-Season Forage Legume Species

Saima Bashir, Asghar Ali, I.A. Qamar, M. Arshad, Salim Sheikh and Muhammad Asif    

Abstract: To determine the correlation coefficients for different economically important traits using three warm-season forage legume species of cowpea (Vigna unguiculata (L.) Walp.), lablab bean (Lablab purpureus L.) and rice bean (Vigna umbellata Thunb.), the observations were recorded on plant height, number of branches/plant, number of pods/peduncle, number of pods/plant, number of seeds/pod, pod length, days to 50% flowering, 100-seed weight, days to maturity, grain yield, straw yield and biomass. Simple correlation was used to see the association among plant traits. The species were significantly (P 05) different for most of the parameters studied showing variability among the genotypes for those characters. A significant (P<0.05) positive correlation was observed for plant height with pod length and 100-seed weight, number of branches/plant with days to 50% flowering and days to maturity, number of pods/peduncle with number of pods/plant, pod length with seed size, number of seeds/pod with pod length, days to 50% flowering with days to maturity, grain yield with straw yield and TDM (total dry matter) and straw yield with TDM. It indicates that these positive associations may be exploited for any improvement work of the traits in warm-season forage legumes to improve their overall productivity and production.

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