volume 46 issue 2 (june 2012) : 178 - 183

IDENTIFICATION OF GENOTYPES OF WHEAT (TRITICUM AESTIVUM L.) FOR SPECIFIC ADAPTATION USING QUALITATIVE AND QUANTITATIVE GENOTYPE X ENVIRONMENT INTERACTION AND REGRESSION ANALYSIS IN THE RAINFED CONDITION OF HIMALAYAS

O

Om Vir1

S

Sheikh M. Sultan2

Affiliations

¹Regional Centre, National Bureau of Plant Genetic Resources, Rangreth, Old Air Field, Srinagar 190007, India

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Cite article:- Vir1 Om, Sultan2 M. Sheikh (2025). IDENTIFICATION OF GENOTYPES OF WHEAT (TRITICUM AESTIVUM L.) FOR SPECIFIC ADAPTATION USING QUALITATIVE AND QUANTITATIVE GENOTYPE X ENVIRONMENT INTERACTION AND REGRESSION ANALYSIS IN THE RAINFED CONDITION OF HIMALAYAS. Indian Journal of Agricultural Research. 46(2): 178 - 183. doi: .

ABSTRACT

The 28 accessions of wheat, received from the Division of Evaluation, NBPGR, New Delhi, were evaluated, in Rabi, 2005, 2006 and 2007 in nine environments created by applying three different doses of nitrogen i.e. 120 kg/ha, 140 kg/ha and 160 kg/ha each year, for seven quantitative traits and data were subjected to regression analysis and also the analysis to detect the presence of cross over and non cross over interactions. Five genotypes namely, 15-HRWSN-26¸ 15-HRWSN-51, 15-HRWSN-57, 37-IBWSN-61 and MF SYCNT 102 were identified to be promising using regression analysis, whereas the genotypes 15-HRWSN-26, 15-HRWSN-76, 37-IBWSN-19, 37-IBWSN-61, 37-IBWSN-90, IC-420742, , 15-HRWSN-67, MF5YCNT 186, 6-EGYPT-7, 15- HRWSN-158,15-HRWSN-87, 15-HRWSN-37, 15-HRWSN-27, 15-HRWSN-112, 15-HRWSN-31 against check HS 365 had been identified as potential yielder having specific adaptability to higher fertility level on the basis of cross over and non cross over interactions concept. Of these genotypes only two genotypes viz., 15-HRWSN-26 and 37-IBWSN-61 have been identified as high yielding ones having specific adaptability and responsiveness to higher nitrogen regimes by both regression analysis and cross over and non-cross over interaction concepts.

KEYWORDS

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IDENTIFICATION OF GENOTYPES OF WHEAT (TRITICUM AESTIVUM L.) FOR SPECIFIC ADAPTATION USING QUALITATIVE AND QUANTITATIVE GENOTYPE X ENVIRONMENT INTERACTION AND REGRESSION ANALYSIS IN THE RAINFED CONDITION OF HIMALAYAS

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