Character association and path analysis for yield and its related traits in finger millet (Eleusine coracana (L.) Gaertn) genotypes
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Abstract
The present investigation was conducted during Kharif, 2014 at Research Block, Department of Crop Improvement, College of Forestry, Ranichauri Campus, V.C.S.G. Uttarakhand University of Horticulture and Forestry. The thirty-five diverse genotypes of finger millet, Eleusine coracana (L.) including three checks viz., PRM-1, PRM-2 and VL-149 laid out in Randomized Complete Block Design with replication. The data on 14 quantitative traits viz., days to 50 per cent flowering, days to maturity, plant height (cm), flag leaf area (cm2), peduncle length (cm), number of leaves on main culm, number of productive tillers per plant, number of fingers per ear, finger length (cm), ear length (cm), biological yield per plant (g), harvest index (%), 1000 seed weight, grain yield per plant (g) were collect-ed randomly from 5 plants form each genotypes. Analysis of variance revealed highly significant differences among all thirty five genotypes with a wide range of mean values for different characters. Grain yield per plant exhibited very strong positive association with biological yield per plant (0.6196, 0.6805), harvest index (0.4370, 0.3624), number of productive tillers per plant (0.3950, 0.4477), 1000 seed weight (0.3697, 0.3972) and peduncle length (0.2473, 0.2694) at phenotypic and genotypic level. Path-coefficient analysis indentified biological yield per plant (0.8983, 1.1590) and harvest index (0.7390, 0.9162) as major direct contributors towards grain yield per plant at phenotypic and genotypic level. The characters identified above merit due consideration in formulating effective selection strategy in finger millet for developing high yielding varieties.
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Character association, Finger millet, Path-coefficient, Quantitative traits
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