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近日,黑龙江省植检植保站分别发布水稻二化螟和马铃薯晚疫病发生趋势预报。根据各地水稻二化螟调查监测结果,结合虫源基数、化蛹羽化及气象、栽培等情况综合分析,预计今年水稻二化螟在哈尔滨、绥化等主要发生区为中等发生,局部蛾量较大、落卵量高的地块为中等偏重发生,发生区域有继续向东、北扩散的趋势。防治建议:1.农业措施。将枯鞘、枯心、枯穗等二化螟的被害株及时拔除,减少虫
Recently, Heilongjiang Phytosanitary Plant Protection Station were released rice stem borer and potato late blight trend forecast. Based on the survey and monitoring results of rice stem borer (Sesamia inferens) around the world, combined with the analysis of insect base, emergence of pupae, meteorology and cultivation, it is estimated that the main occurrence area of rice stem borers in Harbin and Suihua is moderate in this year. , The land where the amount of eggs is high is moderately heavy, and the occurrence of the area has the trend of continuing to east and north. Prevention and control recommendations: 1. Agricultural measures. The dead sheath, withered, dry ears and other Chilo suppressalis promptly removed, reducing the worm