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山东省植保总站农作物病虫测报站根据病虫基数、长期天气预报、作物长势及天敌等情况,并结合历史资料,采用多种方法综合分析及会商,近日对2011年下半年全省主要作物病虫害发生趋势作出了预报:一、重大病虫二点委夜蛾:该虫是山东省玉米田上新发、突发重大害虫,据报道该虫产卵量可达数百粒,繁殖能力极强,目前田间龄期不整齐,已经出现成虫。6月底至8月下旬为持续为害期。
Shandong Province Plant Protection Station crop pest forecasting station based on pests and diseases base, long-term weather forecast, crop condition and natural enemies, etc., combined with historical data, the use of a variety of integrated analysis and consultation, the second half of 2011, the province’s main crop The pest occurrence trend made a prediction: a major pest 2:00 partial night worm: the insect is a new crop of corn in Shandong Province, a major pest sudden, the worm is reportedly up to hundreds of eggs, reproductive capacity is extremely strong, At present, the age of the field is not regular, and adult worms have emerged. The end of June to late August for the duration of harm.