Genetic analysis and chromosome mapping of resistance to Fusarium oxysporum f. sp. niveum (FON) race 1 and race 2 in watermelon (Citrullus lanatus L.)

Molecular Breeding : New Strategies in Plant Improvement
Yi RenYong Xu

Abstract

Fusarium wilt (FW) caused by Fusarium oxysporum f. sp. niveum (FON) is the major soilborne disease of watermelon (Citrullus lanatus L.). The development and deployment of resistant cultivars is generally considered to be an effective approach to control FW. In this study, an F8 population consisting of 103 recombinant inbred lines derived from a cross between the cultivar 97103 and a wild accession PI 296341-FR was used for FON race 1 and race 2 fungal inoculations. One major QTL on chromosome 1 for FON race 1 resistance was detected with a logarithm of odds of 13.2 and explained phenotypic variation R (2) = 48.1 %; two QTLs of FON race 2 resistance on chromosomes 9 and 10 were discovered based on the high-density integrated genetic map we constructed. The nearest molecular marker should be useful for marker-assisted selection of FON race 1 and race 2 resistance. One receptor kinase, one glucan endo-1,3-β-glucosidase precursors and three acidic chitinase located in the FON-1 QTL genomic region. In Qfon2.1 QTL region, one lipoxygenase gene, five receptor-like kinases and four glutathione S-transferase genes are discovered. One arginine biosynthesis bifunctional protein, two receptor kinase proteins and one lipid-transfer protein...Continue Reading

References

May 15, 1998·Journal of Animal Science·R C LittellC B Ammerman
Apr 11, 2006·Annual Review of Phytopathology·L C van LoonC M J Pieterse
Apr 27, 2007·Bioinformatics·Jian YangRobert W Williams
Nov 7, 2007·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Huihui LiJiankang Wang
Oct 27, 2010·Journal of Experimental Botany·Vladimir KrasikovFrank L W Takken
Aug 10, 2012·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Katherine SandlinCecilia McGregor
Nov 23, 2013·Plant Physiology and Biochemistry : PPB·Maria Fiorella MazzeoRosa Anna Siciliano

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Citations

Nov 3, 2016·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Sandra E BranhamW Patrick Wechter
Dec 12, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Sandra E BranhamAmnon Levi
Nov 7, 2019·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Xiaona YuSu Ryun Choi

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Methods Mentioned

BETA
PCR
electrophoresis

Software Mentioned

ICIM
SAS

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