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Inheritance of race-specific resistance to Xanthomonas campestrispv.campestris in Brassica genomes
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Vicente, Joana G., Taylor, J. D., Sharpe, A. G., Parkin, I. A. P., Lydiate, D. J. and King, G. J. (2002) Inheritance of race-specific resistance to Xanthomonas campestrispv.campestris in Brassica genomes. Phytopathology, 92 (10). pp. 1134-1141. doi:10.1094/PHYTO.2002.92.10.1134 ISSN 0031-949X.
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Official URL: http://dx.doi.org/10.1094/PHYTO.2002.92.10.1134
Abstract
The inheritance of resistance to three Xanthomonas campestris pv. campestris races was studied in crosses between resistant and susceptible lines of Brassica oleracea (C genome), B. carinata (BC genome), and B. napus (AC genome). Resistance to race 3 in the B. oleracea doubled haploid line BOH 85c and in PI 436606 was controlled by a single dominant locus (Xca3). Resistance to races 1 and 3 in the B. oleracea line Badger Inbred-16 was quantitative and recessive. Strong resistance to races 1 and 4 was controlled by a single dominant locus (Xca1) in the B. carinata line PI 199947. This resistance probably originates from the B genome. Resistance to race 4 in three B. napus lines, cv. Cobra, the rapid cycling line CrGC5, and the doubled haploid line N-o-1, was controlled by a single dominant locus (Xca4). A set of doubled haploid lines, selected from a population used previously to develop a restriction fragment length polymorphism map, was used to map this locus. Xca4 was positioned on linkage group N5 of the B. napus A genome, indicating that this resistance originated from B. rapa. Xca4 is the first major locus to be mapped that controls race-specific resistance to X. campestris pv. campestris in Brassica spp.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Journal or Publication Title: | Phytopathology | ||||
Publisher: | American Phytopathological Society | ||||
ISSN: | 0031-949X | ||||
Official Date: | 2002 | ||||
Dates: |
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Volume: | 92 | ||||
Number: | 10 | ||||
Page Range: | pp. 1134-1141 | ||||
DOI: | 10.1094/PHYTO.2002.92.10.1134 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published |
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