Selection criteria of linseed (Linum usitatissimum L.) genotypes for seed yield traits through correlation and path coefficient analysis
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SELECTION CRITERIA OF LINSEED GENOTYPES FOR SEED YIELD TRAITS
Authors
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SHWETA KUMARI
Bihar Agricultural University, Sabour-813 210, Bhagalpur, Bihar
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RAM BALAK PRASAD NIRALA
Bihar Agricultural University, Sabour-813 210, Bhagalpur, Bihar
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NEHA RANI
Bihar Agricultural University, Sabour-813 210, Bhagalpur, Bihar
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BISHUN DEO PRASAD
Bihar Agricultural University, Sabour-813 210, Bhagalpur, Bihar
Keywords:
Bud fly infestation, Correlation, Linseed, Path analysisAbstract
The experiment was conducted to study the different selection parameters for improving seed yield in 29 genotypes of linseed with two checks for 15 characters. Correlation study revealed that the genotypic correlation coefficients were higher in magnitude than the phenotypic correlation coefficients. Seed yield per plant had significant and positive correlation with number of capsules per plant, number of seeds per capsule,1000-seed weight, seed length and biological yield per plant, whereas, it had significant and negative correlation with bud fly infestation. Path analysis revealed that 1000-seed weight had moderate and positive direct effect on seed yield per plant and bud fly infestation had high and negative direct effect on seed yield per plant. Number ofseeds per capsule, seed length, 1000-seed weight, biological yield per plant indirectly effected seed yield per plant via bud fly infestation.
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