小麦纹枯病综防技术

• 作 者: 滕金洪 严大富 朱福官
• 机 构: 江苏省吴江市植保植检站,江苏省吴江市植保植检站,江苏省吴江市植保植检站 215200,215200,215200
• 出 处: 上海农业科技
• 发表日期: 1999年05期
• 关键词: 小麦纹枯病 综防技术 小麦拔节期 小麦播种 病菌侵染 病残体 病情指数 小麦施肥 井岗霉素 小麦根系

小麦纹枯病是近年来新上升的一种重要病害,发生普遍,危害日趋严重。1发生及为害 小麦纹枯病以菌核在土壤中或以菌丝体在土壤内的病残体上越夏。小麦播种后,发芽时如果受到病菌侵染,便可引起烂芽枯死。暖冬年早播麦若受其害,则在出苗后数天内便可造成黄苗、死苗。翌年小麦拔节期、病株率明显上升;小麦抽穗期,病情迅速发展;小麦扬花灌浆期,病株率上升达到高峰,叶

Wheat sheath blight is a newly emerging important disease in recent years. It is widespread and harms increasingly serious. 1 Occurrence and damage Wheat sheath blight With sclerotia in the soil or with mycelium in the soil of the sick on the summer. Wheat sowing, germination if infected by bacteria, can cause rotting buds die. Early winter wheat if affected by warm winter suffer, then within a few days after emergence can cause yellow seedlings, dead seedlings. At the jointing stage of wheat the following year, the plant disease rate increased obviously; the heading stage of wheat was rapid and the disease developed rapidly; the wheat plant rose at the filling stage,