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哈尔滨市呼兰区位于黑龙江省南部,水稻常年种植面积2万hm2,2014年春季大面积发生水稻苗床立枯病,轻者成撮成片发生,重者幼苗全部死亡,给生产带来了一定的经济损失。为此,笔者深入呼兰区许堡乡等6个稻作区进行调查,对水稻立枯病的发生和防治做了深入细致的研究:水稻立枯病是水稻旱育苗的主要病害,主要因持续低温、通风不良、土壤偏碱等多种因素所致。本文阐述了寒地水稻苗床立枯病发生的原因和有效的防
Hulan District, Harbin is located in the southern part of Heilongjiang Province, rice perennial planted area of 20,000 hm2, Spring 2014, a large number of premeditated inflorescence production of plants, the light into a film into pieces, in severe cases all the deaths of seedlings, to produce a certain The economic loss. For this reason, the author in-depth Hulan Hsu Fort Township and other six rice areas for investigation, the occurrence and prevention of rice blight did a thorough and detailed study: Rice blight is the main disease of rice drought nursery, mainly due to Continued low temperature, poor ventilation, soil alkaline and other factors. This article elaborated the reason and the effective prevention of the blight of rice seedling in cold region