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ANBAR JOURNAL OF AGRICULTURAL SCIENCES

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Phenotypic and genotypic variation and correlation in bread wheat

    F. Y. Baktash

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2009, Volume 7, Issue 1, Pages 150-165

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Abstract

These experiments were conducted in the field of Crop Science Dept., Coll. Of Agric. University of Baghdad, during 2001-2002 and 2002-2003, seasons. The objectives was to study phenotypic and genotypic variation and correlation in bread wheat, using split plot design with ten varieties ( Tamoz 2, Tamoz 3, Abu-Ghraib 3, IPA95, IPA99, Sale, Al-Rashed, Al-Iraq, Fateh and Rabea) as main plots and four seeding rates ( 80, 120, 240 and 320 kg/ ha) as sub plots with three replications.


البحث جزء من أطروحة دكتوراه للباحث الثاني
Increasing seeding rates from 80 to 160, 240 and 320kg/ ha increased phenotypic and genotypic variances of grain yield. Environmental variance reduced for number of spikes/ plant, number of grains/ spike and harvest index in both seasons, while for grain yield reduced in first season and increased in second season. Increasing seeding rates from 80 to 160, 240 and 320kg/ ha, increased positive genetic correlation coefficient for several characters.
It was concluded that the number of spiklets/ spike, harvest index, spike length and number of grains/ spike could be used as selection index for the improvement of grain yield in bread wheat.
Keywords:
    genotypic variation Correlation bread wheat
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(2009). Phenotypic and genotypic variation and correlation in bread wheat. ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 7(1), 150-165.
F. Y. Baktash. "Phenotypic and genotypic variation and correlation in bread wheat". ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 7, 1, 2009, 150-165.
(2009). 'Phenotypic and genotypic variation and correlation in bread wheat', ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 7(1), pp. 150-165.
Phenotypic and genotypic variation and correlation in bread wheat. ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2009; 7(1): 150-165.
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