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Quantitative Trait Loci Conditioning Resistance to Fusarium Head Blight in Wheat Line F201R

Xiaorong Shena, Mariana Ittub and Herbert W. Ohm*,a

a Department of Agronomy, 1150 Lilly Hall, Purdue University, West Lafayette, IN 47907-1150, USA
b Institute for Cereals and Industrial Crops-Fundulea, Academy of Agricultural and Forestry Science, Romania



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Fig. 1. Frequency distribution of FHB severity in wheat RI population PattersonxF201R. Data averaged over two tests.

 


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Fig. 2. Gel electrophoresis showing the polymorphisms between the wheat parents Patterson and F201R and R and S bulks from an RI population derived from a cross between these parents. M is the 20-base pair ladder.

 


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Fig. 3. Linkage map for Fusarium head blight resistance QTL in the wheat cross Patterson x F201R.

 


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Fig. 4. Fusarium head blight severity for genotypes with the two major resistance QTLs in the wheat cross Patterson x F201R. AA: F201R allele at Xbarc8 (1B); aa: Patterson allele at Xbarc8 (1B); BB: F201R allele at Xgwm674 (3A); bb: Patterson allele at Xgwm674 (3A).

 





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