Legume Research

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Legume Research, volume 29 issue 4 (december 2006) : 262 - 265


K. John, R.P. Vasanthi
1Regional Agricultural Research Station, Tlrupatl - 517 502, india
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Cite article:- John K., Vasanthi R.P. (2024). HETEROSIS IN SIX SINGLE CROSSES OF GROUNDNUT (ARACHIS HYPOGAEA L.). Legume Research. 29(4): 262 - 265. doi: .
An investigation was taken up with five parents and six F1 and F2 crosses to study heterosis and inbreeding depression for yield and yield attributes and also to find out whether heterosis was under the control of additive × additive gene action which is more valuable to groundnut breeder. The highest heterosis over the better parent (>BP) for pod yield was observed in K-3 × TCGS-150 in F1 and in F2 ICGV-91173 × TCGS-150 and kernel yield in K-3 × ICGV-88083 in F1 and ICGV-91173 × TCGS-150 in F2. Higher level of heterosis in F1 and also high inbreeding depression observed in ICGV-91173 × TCGS-150, ICGV-91173 × TCGV-88083 which suggested the importance of additive gene action in the expression of heterosis in these crosses.

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