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根据前期水稻穗期病虫发生情况,结合当前旱情和气象预测等因素综合分析,贵州省植保站预计水稻穗期病虫害褐飞虱、穗瘟、纹枯病、稻曲病等将在局部发生危害,发生面积将达630万亩次左右。1.褐飞虱预计中等发生,局部偏重,发生面积180万亩次左右,危害盛期在8月中、下旬。“插花性”危害明显,主要发生在黔南、黔东南、铜仁、遵义等地,部分田块因受害而“落塘”枯死。2.穗瘟预计中等发生,发生面积150万亩左右,流行盛期在8
According to the occurrence of pre-rice pests and diseases, combined with the current drought and weather forecasting and other factors comprehensive analysis, plant protection station in Guizhou Province is expected to paddy pests Nilaparvata lugens, panicle blast, sheath blight, rice false smut will occur in the local harm occurs The area will reach 6.3 million mu times. 1. Nilaparvata lugens are expected to occur moderately, partially localized, with an area of 180 mu or so, threatening the peak in mid-August, late. “Flower arrangement sex ” endanger the obvious, mainly occurred in Qiannan, Qiandongnan, Tongren, Zunyi and other places, some of the fields because of the victims and “Lost pond ” dead. 2. Head blast is expected to occur moderately, with an area of about 150 mu, prevailing at 8