Breeding Research
Online ISSN : 1348-1290
Print ISSN : 1344-7629
ISSN-L : 1344-7629
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Volume 23, Issue 2
Displaying 1-6 of 6 articles from this issue
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Research Paper
  • QTL analysis of resistance to Fusarium wilt in cultivated strawberries
    Kazunari Iimura, Kimihisa Tasaki, Yoshiko Nakazawa, Masazi Morishima, ...
    Article type: Research Papers
    2021 Volume 23 Issue 2 Pages 101-108
    Published: December 01, 2021
    Released on J-STAGE: February 16, 2022
    Advance online publication: December 28, 2021
    DOIhttps://doi.org/10.1270/jsbbr.21J01
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    Fusarium wilt (Fusarium oxysporum f. sp. Fragariae) is an important disease of strawberries, and disease resistance is one of the important traits in strawberry breeding programs. To improve the efficiency of breeding, we performed a linkage analysis of Fusarium wilt resistance. We produced cultured seedlings and runner seedlings of the F1 population derived from a cross between a susceptible variety ‘Tochiotome’ and a resistant variety ‘Asuka Wave’, and performed QTL analysis. The distribution of disease resistance suggests that one major locus and some quantitative trait loci are involved in the Fusarium wilt disease resistance of ‘Asuka Wave’, and we detected several QTLs including a region linked to the major gene on the ‘Asuka Wave’ linkage map.

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