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Legume Research, volume 27 issue 4 (december 2004) :

INHERITANCE OF QUANTITATIVE CHARACTERS IN GARDEN PEA (PISUM SATIVUM L. SUB SP. HORTENCE ASCH AND GREABN)

Singh T.H.*, Sharma R.R.

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¹Division of Vegetable Crops, Indian Agricultural Research Institute, New Delhi -110012. India

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Cite article:- T.H.* Singh, R.R. Sharma (2024). INHERITANCE OF QUANTITATIVE CHARACTERS IN GARDEN PEA (PISUM SATIVUM L. SUB SP. HORTENCE ASCH AND GREABN). Legume Research. 27(4): . doi: .

ABSTRACT

The majority of crosses for all the four parameters studied indicated the presence of epistasis. The additive (d), dominance (h) and all the three interacting gene effects played a major role in the inheritance of quantitative characters studied. The magnitude of the dominance (h) and dominance x dominance (I) gene effects were greater than that of additive (d) and additive x additive(i) gene effects. However, majority of the crosses in each trait exhibited the duplicate type of epistasis. The signs of (h) and (I) genetic parameters were considered for all the traits, in general (h) showed positive significance and dominance x dominance (I) gene effects exhibited negative significance (in majority of the crosses). This might be due to cancellation effects of genes. Simultaneous exploitation of additive (d) and non-additive (dominance) genetic components including the epistatic gene effects through intermating in early segregating generations foUowed by appropriate selection would be rewarding.

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INHERITANCE OF QUANTITATIVE CHARACTERS IN GARDEN PEA (PISUM SATIVUM L. SUB SP. HORTENCE ASCH AND GREABN)

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