文献类型: 外文期刊
作者: Hongxue Ma;Congcong Kong;Siping Deng;Tong Zhao;Jialei Ji;Yong Wang;Yangyong Zhang;Mu Zhuang;Limei Yang;Marina Lebedeva;Vasiliy Taranov;Anna M. Artemyeva;Zhangjian Hu;Jingquan Yu;Zhiyuan Fang;Honghao Lv
作者机构:
关键词: Black rot;Cabbage;Germplasm screening;Inheritance analysis;Pathogen proliferation
期刊名称: Scientia Horticulturae
ISSN: 0304-4238
年卷期: 2025 年 345 卷
页码:
收录情况: SCIE(2025版)
摘要: Cabbage (Brassica oleracea var. capitata), a member of the genus Brassica, is a significant economic crop worldwide. Black rot (BR) caused by Xanthomonas campestris pv. campestris (Xcc) severely threatens cabbage yield. Therefore, there is an urgent need to breed resistant varieties. To screen resistant germplasms, 171 cabbage inbred lines were inoculated, of which only three were highly resistant materials, namely, ‘M202’, ‘MY’, and ‘YC280’. The biomass of Xcc in highly resistant ‘MY’ and highly susceptible ‘LY’ cabbage lines at different periods after inoculation revealed that 24–72 h after inoculation was the critical period for bacterial proliferation. Inheritance analysis of ‘MY’, ‘LY’ and their constructed populations (P1, P2, F1, B1, B2, and F2) fit the MX2–ADI–ADI model, suggesting that the genetic control of BR resistance in MY was controlled by two pairs of additive-dominant-superior major genes plus additive-dominant-superior polygenes. The major gene heritabilities of B1, B2, and F2 were 33.52 %, 46.66 %, and 52.78 %, respectively. These results increased the number of resources about the BR resistance of cabbage germplasms, elucidated the critical proliferation period and resistance inheritance of this pathogen, and provided a theoretical basis for the breeding of BR-resistant plants, which could expedite the cabbage breeding process.
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