Special Issue: Research status of clubroot (Plasmodiophora brassicae) on cruciferous crops in China
文献类型: 外文期刊
第一作者: Chai, A. L.
作者: Chai, A. L.;Xie, X. W.;Shi, Y. X.;Li, B. J.
作者机构:
关键词: Hernie;races physiologiques;transmission;Plasmodiophora brassicae;aire chinoise de repartition;gestion;Plasmodiophora brassicae;management;clubroot;China distribution;physiological races;transmission
期刊名称:CANADIAN JOURNAL OF PLANT PATHOLOGY ( 影响因子:2.442; 五年影响因子:1.993 )
ISSN: 0706-0661
年卷期: 2014 年 36 卷
页码:
收录情况: SCI
摘要: Clubroot, caused by Plasmodiophora brassicae, has emerged as a serious disease threatening the cruciferous crop production industry in China. The distribution, occurrence, physiological races and transmission routes of P. brassicae are briefly described here, providing a basis for understanding the serious implications of clubroot disease in China. Strategies for managing clubroot in a Chinese context are also discussed. Approximately 3.2-4.0 million ha of cruciferous crops are infected by P. brassicae every year in China, causing yield losses of 20-30%. The identification of physiological races is of fundamental importance for breeding clubroot-resistant cultivars. Race 4 of the pathogen, as classified on the differentials of Williams, has been spreading all over China and is becoming increasingly damaging to cruciferous crops. Dissemination of P. brassicae is mainly via the movement of resting spores on seed or in infected plant material. Spore dispersal over short distances depends on the movement of infested soil, wind, water and livestock manure. Integrated control strategies include the development of resistant cultivars, soil liming, fungicide applications and use of biological control agents.
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