据黑龙江省农业委员会预测,2013年黑龙江省农作物病虫草鼠等生物灾害总体趋势为中等偏重发生,整体发生程度与常年接近。其中,玉米螟将偏重发生,局部大发生;水稻稻瘟病和马铃薯早、晚疫病及玉米大斑病有偏重流行趋势;粘虫仍有重发风险,蝗虫尤其是亚洲飞蝗种群出现恢复迹象;农田鼠密度仍将处于较高水平,春季局部扒籽盗苗现象将加重。另外,大豆食心虫、水稻纹枯病呈上升趋势,大田苗期病虫害与地下害虫、大豆蚜虫、大豆红蜘蛛、水 According to the forecast of Heilongjiang Provincial Committee of Agriculture, the overall trend of biological disasters such as crop, worm, and rat in Heilongjiang Province in 2013 was moderately weighted, with the overall incidence approaching that of perennial. Among them, the corn borer will be preoccupied with local occurrence; rice blast and potato early blight and late blight and corn blight have a bias trend; the armyworms still have the risk of recurrence, locusts, especially the locust populations appear signs of recovery; Farmland rat density will remain at a high level, partial spring stealing seedling phenomenon will increase. In addition, soybean borer, rice sheath blight is on the rise, field seedling pests and insects, soybean aphids, red spider soybean, water