Legume Research

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Legume Research, volume 33 issue 3 (september 2010) : 206 - 210

ANALYSIS OF VARIABILITY AND DIVERSITY IN RICE FALLOW BLACKGRAM [VIGNA MUNGO (L.) HEPPER]

S. Neelavathi, R. Govindarasu*
1Pandit Jawaharlal Nehru College of Agriculture and Research Institute, Karaikal – 609 603, India

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Cite article:- Neelavathi S., Govindarasu* R. (2024). ANALYSIS OF VARIABILITY AND DIVERSITY IN RICE FALLOW BLACKGRAM [VIGNA MUNGO (L.) HEPPER]. Legume Research. 33(3): 206 - 210. doi: .

ABSTRACT

Seventy four diverse genotypes of blackgram were studied under rice fallow condition for
yield and its component traits. High genotypic variability was observed for branches per plant,
clusters per plant, pods per plant, biological yield and seed yield along with high heritability
and genetic advance, suggesting effective improvement of these characters through a simple
selection programme. The genotypes were grouped into five clusters by Mahalanobis’ D2 analysis.
Rice fallow cultivation restricted the fullest expression of genetic diversity among the genotypes.
Based on cluster mean values, the genotypes, OBG 4 and KKB 98001 were identified as the
suitable parents for hybridization programme. The characters, pods per plant, 100 seed weight
and biological yield contributed more for genetic divergence.

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