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Comparison of TAF46 and Zhong 5 resistances to barley yellow dwarf virus from Thinopyrum intermedium in wheat

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Barloy, D., Etienne, C., Lemoine, J., Saint Ouen, Y., Jahier, J., Banks, P.M. and Trottet, M. (2003) Comparison of TAF46 and Zhong 5 resistances to barley yellow dwarf virus from Thinopyrum intermedium in wheat. Euphytica, 129 (3). pp. 361-369.

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Article Link: http://dx.doi.org/10.1023/A:1022260010187

Publisher URL: http://www.springerlink.com

Abstract

Barley yellow dwarf virus (BYDV) is one of the most important plant viruses in the world. Two sources of resistance to BYDV derived from Thinopyrum intermedium were compared in wheat backgrounds. A source of resistance was confirmed in the partial amphiploid TAF46, the group 7 addition line L1, and translocation TC14. The other source of resistance derives from the partial amphiploid Zhong 5 and is present in the group 2 addition line Z6. Six ditelosomic addition lines have been derived from Z6. The resistance of genotypes derived from Zhong 5 is more effective at reducing virus multiplication throughout plant growth than that of genotypes derived from TAF46. The translocation line TC14, derived from TAF46 showed 30% plants escaping virus infection whereas all plants derived from Zhong 5 were infected. This suggests that the two sources of resistance are associated with differing mechanisms of resistance. Methods to better understand the genetic control and the mechanisms of these two resistances are suggested. The pyramiding of different sources of resistance to construct durable resistance is discussed.

Item Type:Article
Corporate Creators:Plant Science, Crop and Food Science, Department of Employment, Economic Development and Innovation (DEEDI), Agri-Science
Business groups:Crop and Food Science
Additional Information:© Springer Science+Business Media B.V.
Keywords:BYDV-PAV; ELISA; resistance mechanisms; Triticum aestivum; virus multiplication.
Subjects:Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Organic plant protection. Biological control
Plant culture > Field crops > Grain. Cereals
Live Archive:28 Jun 2004
Last Modified:03 Sep 2021 16:43

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