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近年籽瓜白粉病在新疆额敏县连年大发生,对籽瓜产量造成了严重损失。据额敏县病虫测报站2009~2013年监测,籽瓜白粉病在新疆额敏县发生始期为7~8月。概述了籽瓜白粉病在额敏县的发生流行特点,以及系统调查病害田间消长规律,其发生始期为7月上、中旬。调查发现种植模式的改变是导致打瓜白粉病近年在额敏县严重发生的重要原因,防治措施的及时到位能显著降低流行速度。结合药剂防治试验结果和推广应用实际,提出了有效的防治措施。
In recent years, seed melon powdery mildew occurred in successive years in Xinjiang Emin, causing serious losses in the production of seed melon. According to the Emei pest forecasting station from 2009 to 2013 monitoring, seed melon powdery mildew in Xinjiang occurred in Emin 7 to August. The epidemic characteristics of seed melon powdery mildew in Emin County were summarized, and the law of field growth and decline in the disease system was systematically investigated. The onset period was from July to mid July. The survey found that the change of planting pattern was the important reason that melon powdery mildew was seriously affected in Emei County in recent years. The timely prevention and control measures could significantly reduce the epidemic rate. Combined with the results of drug control test and popularization and application of the actual, put forward effective prevention and treatment measures.