Author(s):

Akriti Dutt, Nirupma Singh, Amit Chaudhary and PK Singh

Abstract: The experiment was conducted at A.N.D.U.A&T, main experiment station during 2015-2016 rice growing season in sodic soil environment. The objective of this test is to establish the nature of relation between grain yield and other yield components by partitioning the correlation co-efficient between yield and its component by using simple correlation analysis. The study was conducted with 10 parents and their 21 crosses (F₁) for eleven component characters including grain yield. The correlation studies of these crosses showed that grain yield per plant showed positive and significant correlation with harvest index, spikelet fertility (%), biological yield per plant and panicle bearing tiller per plant so they emerged as most important association for grain yield improvement in rice during breeding programme.

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