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Electronic Journal of Plant Breeding
Year : 2010, Volume : 1, Issue : 5
First page : ( 1306) Last page : ( 1308)
Online ISSN : 0975-928X.

Genotype x Environment interaction for kernel yield in groundnut (Arachis hypogaea L.)

Mothilal A.*, varman P. Vindhiya, Manivannan N.

Regional Research Station, Tamil Nadu Agricultural University, Vridhachalam, 606 001.

*Email: mothiezhil@gmail.com.

Online published on 18 April, 2012.

Received:  12  May,  2010; Accepted:  12  July,  2010.

Abstract

Sixteen medium duration groundnut cultures were evaluated for kernel yield, stability and adaptation across four environments. The G X E interaction was highly significant and both linear and non-linear component are equally important for yield stability. The genotype ICGV 92004 was classified as highly stable genotype over four environments because of its high mean kernel yield, with a regression coefficient close to unity and non-significant deviation from linearity.

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Keywords

Stability, Spanish bunch, Groundnut, Arachis hypogaea, G x E interaction.

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