Character association and genetic divergence studies in indigenous lines of wheat (Triticum aestivum L em Thell)
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Date
2014-06-20
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ANDUAT,KUMARGANJ,AYODHYA
Abstract
The present investigation entitled “Character association and genetic
divergence studies in indigenous lines of wheat (Triticum aestivum L. em. Thell.) was
undertaken to (i) Estimate the extent of variability in the indigenous lines of wheat.
(ii) Estimate the correlation coefficient among various characters, (iii) Find out direct
and indirect effects of yield components on grain yield by path coefficient analysis
and (iv) To examine genetic diversity among collection.
In the present investigation, 135 indigenous lines of wheat along with 5 checks
were evaluated in timely sown and irrigated conditions during Rabi, 2012-13. The trial
was conducted in augmented design having 4 block of 35 plots each, at the main
experiment station of Narendra deva university of agriculture and technology,
Kumarganj, Faizabad. The characters studied were Days to 50% flowering, Flag leaf
area (cm2), Spike length (cm), Plant height (cm), Tillers/plant, Peduncle length (cm),
Days to maturity, 1000-grain weight (g), Biological yield/plant (g), Grain yield/plant
(g), Harvest index (%). The data on 11 characters was utilized for estimation of mean,
range and correlations, path coefficients and genetic divergence.
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