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Polygenic resistance of tomato plants to bacterial wilt in the french west indies

Abstract : Analysis of wilting symptoms using F_2 clones and F_3 families of plants derived from a cross between the resistant tomato cultivar hawaii7996 and the susceptible Lycopersicon pimpinellifolium line WVa700 incoculated with a strain of bacteria (GMI8217, derived from an endemic race 1 pathogen strain) permitted the detection of six quantitative trait loci (QTL) that may be important for field resistance to Ralstonia solanacearum. There QTL, one on chromosome 6 and two QTL on chromosome 4, confirmed results previously obtained in tests done in a culture chamber (P. Thoquet, J. Olivier, C. Sperisen, P. Rogowsky, H. Laterrot, and N. Grimsley, MPMI 9:826-836, 1996). Two putative new QTL were found on chromosomes 3 and 8. In addition, a weak putative QTL previously detected on chromosome 10 was again observed in the field. One QTL on chromosome 11 was found to be specific to F_2 clones.
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https://hal.inrae.fr/hal-02690902
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Submitted on : Monday, June 1, 2020 - 6:38:41 AM
Last modification on : Thursday, March 18, 2021 - 3:31:33 AM

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  • HAL Id : hal-02690902, version 1
  • PRODINRA : 135871

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P. Thoquet, J. Olivier, C. Sperisen, Peter Rogowsky, Philippe Prior, et al.. Polygenic resistance of tomato plants to bacterial wilt in the french west indies. Molecular Plant-Microbe Interactions, American Phytopathological Society, 1996, 9 (9), pp.837-842. ⟨hal-02690902⟩

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