Combining Ability And Heterosis Studies In Linseed (linum usitatissimum L.)
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Date
1996
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Birsa Agricultural University, Ranchi
Abstract
Linseed is predominantly a aulogamous crop of industrial significance inspite of considerable increase in area and production under linseed , the productivity under linseed, the productivity which is of foremost importance, is still stagnant in India.
The prime objective of the present investigation was to evaluate some well recognised varieties and explore the combining ability variances of oil yield and seed yield components and their combining ability effects together with the studies on variability , heterosis and correlation through diallel analysis.
Eight well recognised varieties of major linseed growing stated were obtained from project co-ordinator(Linseed) chandra shekhar Azad university of Agriculture and Technology, Kanpur, These varieties were crossed in 8x8 diallel fashion to obtain 28 direct and 28 reciprocal F1 hybrids .These hybrids were generation advanced in off season nursery to procure F2 seeds. These F1 and F2 hybrids were evaluated separately along with the parents for variability, heterosis, inbreeding depression , combining ability and correlation.