Sources of Resistance to Race 2WF Powdery Mildew in U.S. Watermelon Plant Introductions
文献类型: 外文期刊
第一作者: Zhang, Haiying
作者: Zhang, Haiying;Guo, Shaogui;Gong, Guoyi;Ren, Yi;Xu, Yong;Davis, Angela R.
作者机构:
关键词: fungicides: pesticide;fungicideBeijing: China;Asia;Palearctic region;synonymy;crop yield;disease resistance
期刊名称:HORTSCIENCE ( 影响因子:1.455; 五年影响因子:1.617 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Powdery mildew of cucurbits, incited by Podosphaera xanthii (Castagne) Braun & Shishkoff (syn. Sphaerotheca fuliginea auct. p.p.), is an economically important foliar disease. which is now common in watermelon [Citrullus lanatus (Thunb.) Mastum. & Nakai]. This disease occurs in all watermelon-growing areas and can reduce yields by up to 30%. Finding and breeding for resistance to this disease is important to reduce dependence on fungicides and to use in combination with fungicides to limit the spread of fungicide-resistant P. xanthii. This is the first English report that race 2WF of P. xanthii can infect watermelon. It is the prevalent race of watermelon powdery mildew in Beijing.
分类号: S6
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