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Downy Mildew: A Serious Disease Threat to Rose Health Worldwide

机译:柔软的霉菌:在全世界罗比健康的严重疾病威胁

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摘要

During the last 70 years, downy mildew disease affecting plants in the genus Rosa L. (rose) has become a serious problem for growers in the U.S. and many parts of the world, causing significant financial and crop losses every year (Ayala-Vasquez et al. 2008; Baker 1953; Chase and Daughtrey 2013). This disease can be very severe in greenhouses and other protected production systems, but downy mildew is also problematic for field- or container-grown roses outdoors. Outbreaks can occur when inoculum ispresent and environmental conditions foster disease development in any cultural setting (Horst and Cloyd 2007). All rose cultivars and varieties are susceptible to the disease, although they may differ greatly in their sensitivity (Debener and Byrne 2014). Downy mildew—as with the majority of other major rose diseases—negatively affects the appearance of flowers and foliage, which reduces the value and marketability of the plant (Debener and Byrne 2014). The disease is highly destructive when it strikes, extraordinarily persistent in some regions of the world (e.g., Colombia; Gomez and Arbelaez 2005), but sporadic in its occurrence in other areas depending upon prevailing weather patterns (e.g., California; Aegerter et al. 2003).
机译:在过去的70年期间,影响罗莎L.(玫瑰)中植物的柔软霉菌疾病已成为美国和世界许多地方的种植者的严重问题,每年造成重大的金融和作物损失(Ayala-Vasquez et al。2008;贝克1953;追逐和Daughtrey 2013)。在温室和其他保护的生产系统中,这种疾病可能非常严重,但柔软的霉菌对于户外的现场或集装箱种植玫瑰也是有问题的。当inoculum ispresent和环境条件促进任何文化环境中的疾病发展时,可能会发生爆发(Horst and Cloyd 2007)。所有玫瑰品种和品种都易受这种疾病的影响,尽管它们的敏感度可能很大(Debener和Byrne 2014)。柔软的霉菌 - 与大多数其他主要玫瑰疾病 - 负面影响花卉和叶子的外观,这降低了工厂的价值和可销售性(Debener和2014年)。在世界上一些地区(例如,哥伦比亚;哥伦比亚和亚翠鸟2005年)罢工时,这种疾病是非常破坏性的,但零星的在其其他地区的发生,这取决于普遍的天气模式(例如,加利福尼亚州; Aegerter等人。 2003)。

著录项

  • 来源
    《Plant Disease》 |2018年第10期|共10页
  • 作者单位

    Mycology and Nematology Genetic Diversity and Biology Laboratory U.S. Department of Agriculture Agricultural Research Service Beltsville MD;

    Long Island Horticultural Research and Extension Center Cornell University Long Island NY;

    Mycology and Nematology Genetic Diversity and Biology Laboratory U.S. Department of Agriculture Agricultural Research Service Beltsville MD;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 植物保护;
  • 关键词

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