Legume Research

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Legume Research, volume 25 issue 1 (march 2002) :

GENETIC DIVERSITY IN CROSS DERIVATIVES OF GREENGRAM [VIGNA RADIATA (L.) WILCZEK]

Manivannan N.
1National Pulses Research Centre Tamil Nadu Agricultural University, Vamban Colony -622303, India

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Cite article:- N. Manivannan (2024). GENETIC DIVERSITY IN CROSS DERIVATIVES OF GREENGRAM [VIGNA RADIATA (L.) WILCZEK]. Legume Research. 25(1): . doi: .

ABSTRACT

Genetic diversity in greengram [Vigna radiata (L.) Wilczek] from 33 genotypes derived from ten crosses was analysed using multivariate analysis. Existence of substantial amount of diversity was observed. The genotypes were grouped into seven clusters. The pattern of clustering showed that the pedigree of the genotypes influenced the generalised distance (D) values by grouping into same cluster and also the genotypes were placed in closely related clusters. The clusters II and VI, V and VII and VI and VII were highly divergent. The genotypes VGG 13, VGG 20, VGG 26, VGG 28, VGG 85, VGC 88 and VGG 90 may be included in the hybridization programme. Among the characters studied, lOO-seed weight followed by powedery mildew reaction contributed the most towards the total divergence.

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