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Asian Journal of Plant Sciences
  Year: 2005 | Volume: 4 | Issue: 4 | Page No.: 413-416
DOI: 10.3923/ajps.2005.413.416
 
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Genetic Analysis for Some Metric Traits in Aestivum Species
Muhammad Sajjad Saeed , Muhammad Aslam Chowdhry and Muhammad Ahsan

Abstract: Mean squares for General Combining Ability (GCA) were highly significant for number of spikelets per spike while non-significant for spike density, number of grains per spike, 1000-grain weight and grain yield per plant. Specific combining ability mean squares were highly significant for spike density, number of grains per spike; 1000-grain weight and grain yield per plant. While significant for number of spikelets per spike. Mean squares for reciprocal effects were highly significant for number of spikelets per spike and number of grains per spike while non-significant for spike density and 1000-grain weight. Additive gene effects controlled the expression of the traits like number of spikelets per spike and number of grains per spike as is evident by greater mean squares for general combining ability. However the gene action was non-additive for spike density, number of grains per spike, 1000-grain weight and grain yield per plant as indicated by the greater mean squares of SCA variances than GCA ones. It is therefore suggested from the results that number of spikelets per spike and number of grains per spike can be transferred from the parents to the progeny with additive effects, which are ultimately responsible for increased grain yield.
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How to cite this article:

Muhammad Sajjad Saeed , Muhammad Aslam Chowdhry and Muhammad Ahsan , 2005. Genetic Analysis for Some Metric Traits in Aestivum Species. Asian Journal of Plant Sciences, 4: 413-416.

DOI: 10.3923/ajps.2005.413.416

URL: https://scialert.net/abstract/?doi=ajps.2005.413.416
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