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Quantitative trait loci for agronomic characters in a segregating chinese spring x T. Spelta wheat population under Egypt environment [electronic resource].

By:

Ahmed, Talaat A

Contributor(s):

Mahmoud, Adel M

Language: English Summary language: Arabic Description: P. 277-288Other title:

مواقع الصفات الكمية للصفات المحصولية فى عشيرة انعزالية من القمح تحت ظروف مصر [Added title page title]

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Egyptian journal of plant breeding, 2006 v. 10 (1) [electronic resource].

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In: Egyptian Journal of Plant Breeding 2006.v.10(1)Summary: Sixty-six recombinant inbred lines derived from the cross between Triticum aestivum C.V. Chinese spring and Triticum spelta var dulzamelianum developed at Kihara Institute for Biological Research, Japan, were evaluated at Assiut, Egypt for important QTLs for some agronomic traits. Twenty-one QTLs have been detected for heading date, plant height, spike length, number of spikes, spike weight and grain yield/plant. QTLs were distributed on ten chromosomes of 1A, 2B, 2D, 3A, 4A, 5A, 5D, 7A, 7B and 70. Many of those QTLs were not consistent with those detected at Yokohama, Japan. The QTLs in 20 chromosomes were uniquely associated with yield and yield components and offer the greatest potential for marker-assisted selection, in breeding for wheat improvement.

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Sixty-six recombinant inbred lines derived from the cross between Triticum aestivum C.V. Chinese spring and Triticum spelta var dulzamelianum developed at Kihara Institute for Biological Research, Japan, were evaluated at Assiut, Egypt for important QTLs for some agronomic traits. Twenty-one QTLs have been detected for heading date, plant height, spike length, number of spikes, spike weight and grain yield/plant. QTLs were distributed on ten chromosomes of 1A, 2B, 2D, 3A, 4A, 5A, 5D, 7A, 7B and 70. Many of those QTLs were not consistent with those detected at Yokohama, Japan. The QTLs in 20 chromosomes were uniquely associated with yield and yield components and offer the greatest potential for marker-assisted selection, in breeding for wheat improvement.

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