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Gene action and heterosis for growth and yield in bread wheat (Triticum aestivum L.)
العنوان الموازي
المؤلفون المشاركون
al-Husari, Ahmad Ali Abd al-Maqsud
al-Jabburi, Jasim Muhammad Aziz
al-Tamimi, Umar A. Ahmad
المصدر
Annals of Agricultural Science, Moshtohor
الناشر
تاريخ النشر
2021-12-31
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص الإنجليزي
Knowledge of type of gene action controlling target traits and genetic behavior is a basic principle for designing an appropriate breeding procedure for the purpose of genetic improvement.
Hence, the success of any selection or hybridization breeding program for developing varieties depends on precise estimates of genetic variation components for traits of interest which may be additive, dominant and non-allelic interaction effects.
Heterosis and nature of genetic effects on ealiness and yield traits were studied in a 10x10 diallel cross without reciprocals in wheat to define and select efficient and prospective material for immediate use in hybridization programs to improve grain yield of wheat in Iraq.
Parents and F1 were evaluated using (RCBD) with 3 replications for quantitative traits in (2017/2018) season.
Significant genotype mean squares and its components (parents and crosses) were obtained for all traits in both generations.
Significant heterosis in F1 generation was obtained for all studied traits.
The useful heterosis of grain yield plant-1 relative to better parent varied from 12.46 to 36.82% in F1 crosses.
The P7(Millan)xP8(Hithab) and P7(Millan)xP9(Ibaa 99) were the best crosses for grain yield heterosis.
General (GCA) and specific (SCA) combining ability mean squares were significant for all traits.
MS (GCA)/ MS (SCA) ratios indicated the relative importance of additive and additive by additive gene action in their inheritance for all the traits except for earliness and no.
of spike plant-1.
The three parents P1(Abu-Graib), P3(Osais), P5(Florka) and P9 (Ibaa 99) gave the highest positive significant effects for grain yield plant-1 in the F1 crosses.
Twelve crosses showed significantly desirable heterotic effects for grain yield most studied traits.
نوع البيانات
أوراق مؤتمرات
رقم السجل
BIM-1432387
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
al-Tamimi, Umar A. Ahmad& al-Jabburi, Jasim Muhammad Aziz& al-Husari, Ahmad Ali Abd al-Maqsud. 2021-12-31. Gene action and heterosis for growth and yield in bread wheat (Triticum aestivum L.). . Vol. 59, Special issue (2021), pp.259-266.Qalyoubia Egypt : Banha University Faculty of Agriculture.
https://search.emarefa.net/detail/BIM-1432387
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
al-Tamimi, Umar A. Ahmad…[et al.]. Gene action and heterosis for growth and yield in bread wheat (Triticum aestivum L.). . Qalyoubia Egypt : Banha University Faculty of Agriculture. 2021-12-31.
https://search.emarefa.net/detail/BIM-1432387
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
al-Tamimi, Umar A. Ahmad& al-Jabburi, Jasim Muhammad Aziz& al-Husari, Ahmad Ali Abd al-Maqsud. Gene action and heterosis for growth and yield in bread wheat (Triticum aestivum L.). .
https://search.emarefa.net/detail/BIM-1432387
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