Journal
COMPTES RENDUS BIOLOGIES
Volume 333, Issue 6-7, Pages 566-573Publisher
ACAD SCIENCES
DOI: 10.1016/j.crvi.2010.04.003
Keywords
Avirulence genes; Cloned genes; Resistance durability; Genetic resources; Inheritance; Resistance genes; Resistance specificity
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Host plant resistance is an efficient and environmentally friendly means of controlling insects, including aphids, but resistant-breaking biotypes have occurred in several plant-aphid systems. Our review of the genetic and molecular bases of aphid resistance in crop species emphasizes the limited number of aphid resistance genes and alleles. Inheritance of aphid resistance may be monogenic (dominant or recessive genes) or polygenic. Two dominant, aphid resistance genes have been isolated to date. They both encode NBS-LRR proteins involved in the specific recognition of aphids. Strategies to ensure aphid resistance effectiveness and durability are discussed. Innovative research activities are proposed. (C) 2010 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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