Registration of GA R01-40-08, a Gossypium hirsutum Upland Cotton Germplasm Line with qFL-Chr.1 Introgressed from Gossypium barbadense Conferring Improved Fiber Length
文献类型： 外文期刊
作者： Brown, Nino 1 ; Shen, Xinlian 3 ; Lubbers, Edward L. 1 ; Kumar, Pawan 1 ; McBlanchett, Jennifer 1 ; Smith, C. Wayne 4 ;
作者机构： 1.Univ Georgia, Inst Plant Breeding Genet & Genom, Tifton, GA 31793 USA
2.USDA ARS, Crop Improvement & Protect Res Unit, Salinas, CA 93905 USA
3.Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Nanjing 210014, Jiangsu, Peoples R China
4.Texas A&M Univ, Dept Soil & Crop Sci, College Stn, TX 77843 USA
5.Cotton Inc, 6399 Weston Pkwy, Cary, NC 27513 USA
6.Univ Georgia, Plant Genome Mapping Lab, Athens, GA 30602 USA
期刊名称：JOURNAL OF PLANT REGISTRATIONS （ 影响因子：0.395； 五年影响因子：0.605 ）
ISSN： 1936-5209
年卷期： 2019 年 13 卷 3 期
页码：
收录情况： SCI
摘要： GA R01-40-08 (Reg. no. GP-1060, PI 690433), is a Gossypium hirsutum L. germplasm line developed by the Molecular Cotton Breeding Laboratory, Department of Crop and Soil Sciences, at the University of Georgia. GA R01-40-08 was selected from an interspecific backcross inbred population derived from the cross of 'Tamcot 2111' (G. hirsutum) with 'Pima S-6' (G. barbadense L.). This G. hirsutum germplasm line harbors an introgressed quantitative trait locus (QTL), qFL-Chr.1, conferring improved upper half mean fiber length (UHML) from Pima S-6. Field trials conducted in Plains and Tifton, GA, in 2009, 2013, and 2014 indicate that GA R01-40-08 exhibits improved UHML of 1.5 mm longer than the Tamcot 2111 parent, representing a 5% improvement. GA R01-40-08 had fiber yields over 18% higher than the Pima S-6 parent and equivalent to the higher-yielding parent, Tamcot 2111. This germplasm line represents a milestone in upland cotton germplasm improvement as the first publicly released germplasm line carrying a fiber length QTL with an effect that has been validated in multiple environments. It will provide upland cotton breeders with an adapted source of the qFL-Chr.1 QTL for improved UHML from G. barbadense, and the tightly linked markers published previously will allow breeders to use marker-assisted selection for rapid incorporation.
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