NDLI: Evaluation of Scab Resistance Quantitative Trait Loci (qtl) Effects on Wheat

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Evaluation of Scab Resistance Quantitative Trait Loci (qtl) Effects on Wheat

Content Provider	Semantic Scholar
Author	Kang, Jing
Copyright Year	2010
Abstract	Title of Document: EVALUATION OF SCAB RESISTANCE QUANTITATIVE TRAIT LOCI (QTL) EFFECTS ON WHEAT Jing Kang, M.S., 2010 Directed By: Associate Professor Dr. José Costa, Department of Plant Science and Landscape Architecture Fusarium Head Blight (FHB) of wheat (Triticum aestivum), caused by Fusarium graminearum, is a disease that periodically strikes the mid-Atlantic region of the USA. Breeding for resistant wheat cultivar is an effective method of disease control. McCormick, a genotype adapted to the mid-Atlantic region, was used in a backcross program with the Chinese cultivar Ning7840. Eight Near-Isogenic Lines (NIL) were developed by marker-assisted backcrossing. Three FHB resistance QTL on chromosomes 3BS, 2DL, and 5A were introgressed from non-adapted Ning7840 into the elite soft red winter wheat McCormick. The objective of this study was to evaluate the effects of QTL singly and in combination on FHB resistance. The 3BS+2DL NIL showed higher resistance and lower deoxynivalenol content than other NIL in both field and greenhouse studies. This suggests that the 3BS+2DL NIL can be used in the mid-Atlantic region to breed for improved FHB resistance. EVALUATION OF SCAB RESISTANCE QUANTITATIVE TRAIT LOCI (QTL) EFFECTS ON WHEAT.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://drum.lib.umd.edu/bitstream/handle/1903/10320/Kang_umd_0117N_11156.pdf?isAllowed=y&sequence=1
Alternate Webpage(s)	http://drum.lib.umd.edu/bitstream/handle/1903/10320/Kang_umd_0117N_11156.pdf?isAllowed=y&sequence=1
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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