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2篇 您的检索式:作者名="Efrem Bechere"
    题名 作者 年代 出处 被引量
1Developing elite durum wheat landrace selections (composites) for Ethiopian peasant farm use: Raising productivity while keeping diversity alive显示文摘Tesfaye Tesemma Efrem Bechere 1998Euphytica1998,,3:1
2Stability and transferability assessment of the cotton fiber strength QTL qFS-c7-1 on chromosome A07显示文摘Previously we identified a major cotton fiber strength QTL(qFS-c7-1)on chromosome A07 using a multiparent advanced generation intercross(MAGIC)population.To assess the stability and transferability of this QTL and its utility in cotton breeding,we made ten new populations.These populations were developed from crosses between MAGIC recombinant inbred lines,or between cotton cultivars that are different from the MAGIC parents.A total of 2801 F_(2) plants were grown and their fiber quality traits were measured.We also selected a subset of F_(3) seeds from two populations,and grew F_(3) progeny plots to further evaluate the stability of this QTL.Our results showed that the peak of qFS-c7-1 is at 70–72 Mb region.This QTL had a major effect on fiber strength explaining 21.9%phenotypic variance.Its effect on other fiber quality attributes such as micronaire,short fiber content,length and uniformity varied between populations,and no effect on fiber elongation was observed.The QTL effects were stable in the populations analyzed,and in different generations of the same population.The SSR and SNP markers near and within the QTL peak reported herein will assist selecting superior fiber quality traits in breeding,with a recommendation that the parental cotton lines should be analyzed using the seven DNA markers within the QTL peak before fully implementing marker assisted selection in a cotton breeding program.David D.Fang Linghe Zeng Gregory N.Thyssen Christopher D.Delhom Efrem Bechere Don C.Jones Ping Li 2021The Crop Journal2021,9,2:0
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