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HETEROSIS FOR BIOLOGICAL NITROGEN FIXATION TRAITS AND YIELD COMPONENTS IN BLACK GRAM (VIGNA MUNGO (L.) HEPPER)

Beena Thomas, K. Arya, Divya Krishnan, S. Sreekumar

Affiliations

¹Department of Plant Breeding and Genetics, College of Agriculture, Vellayani - 695 522, India

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Cite article:- Thomas Beena, Arya K., Krishnan Divya, Sreekumar S. (2025). HETEROSIS FOR BIOLOGICAL NITROGEN FIXATION TRAITS AND YIELD COMPONENTS IN BLACK GRAM (VIGNA MUNGO (L.) HEPPER). Legume Research. 31(4): 259 - 263. doi: .

ABSTRACT

In a line x tester experiment, twenty three black gram genotypes consisting of five lines with
good nitrogen fixing capacity, three high yielding testers and their 15 hybrid combinations were
evaluated, adopting a randomized block design with three replications. For nodule weight and
nitrogen content at 50% flowering, the cross WBG13 x VBN1 and Pant U19 x T9 exhibited highest
positive relative heterosis and standard heterosis respectively. In the case of grain yield per plant,
highest positive relative heterosis, heterobeltiosis and standard heterosis were displayed by the
cross WBG13 x AKU4.

KEYWORDS

REFERENCES

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