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Combining ability estimates for yield and yield components in spring wheat.

Author(s)
Muhammad Siddique Agricultural Research Station (North), Mingora, Swat, Pakistan
Shiraz Ali Agricultural Research Station (North), Mingora, Swat, Pakistan
M. Faisal Anwar Malik Agricultural Research Station (North), Mingora, Swat, Pakistan
Shahid Iqbal Awan Agricultural Research Station (North), Mingora, Swat, Pakistan
Abstract
Combining ability estimates in a 5 x 5 diallel cross of spring wheat varieties viz. Faisalabad 83. Faisalabad 85. Chakwal 86. Rawal 87 and Rohtas 90 were determined for days to heading, days to maturity, plant height. tillers per plant. spikelets per spike, grains per spike. 1000-grain weight and grain yield per plant. The experiment was conducted during 2000-01 at Barani Agricultural Research Station, Fatch Jang. The analysis of variance revealed highly significant differences tin all traits. SCA variance was higher than the GCA variance for all the traits indicating non-additive gene action with the exception of days to heading days to maturity and plant height, which showed additive gene action. Grains per spike showed both additive and non-additive gene action. Faisalabad 83 and Chakwal 86 were good general combiners while Faisalabad 83 x Chakwal 86 was the best specific combiners.
Publication Details
Page(s) 485-487
DOI DOI not available
Published Journal: Sarhad Journal of Agriculture, Volume: 20, Issue: 4, Year: 2004

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