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油菜是江苏省南通市主要夏熟作物之一,2015年种植面积达40万亩左右。油菜菌核病属典型的气候性病害,近几年来,此病在该地连年偏重至大发生,成为威胁油菜高产优质的关键因子,严重影响油菜的增产增收。据江苏省植保站预测,2015年全省油菜菌核病将达偏重程度发生,如果油菜花期遇连续阴雨天气,油菜菌核病将大发生暴发流行,将导致油菜产量和品质大幅度下降。因此,抓住适期,选准药剂,认真
Rape is one of the major summer crops in Nantong City, Jiangsu Province. In 2015, the planting area was about 400,000 mu. Sclerotinia sclerotiorum is a typical climatic disease. In recent years, the disease has been heavily weighted to occur in this area year after year, becoming a key factor threatening rapeseed yield and quality, seriously affecting the yield increase of rapeseed. According to the forecast of the plant protection station in Jiangsu Province, in 2015, the rape sclerotinia in the whole province will reach a degree of emphasis. If rape blossoms encounter continuous overcast and rainy weather, the outbreak of rape sclerotinia will occur greatly, leading to a drastic drop in the yield and quality of rapeseed. Therefore, seize the right time, choose the right agent, serious