【摘要】 为了摸清昭平镇近年抛栽稻纹枯病严重发生的原因,从纹枯病的菌源量、水稻的栽培管理水平、稻飞虱的发生程度、气候条件、防治措施等5方面进行调查和分析,结果表明,稻纹枯病造成的稻谷损失为各种病虫害之首,必须引起足够的重视。采取减少菌源,加强水肥管理,适时使用药剂防治等5个相应的综合防治对策,效果显著。更多还原

【Abstract】 In order to know the causes of severe occurrence of sheath blight on seedling throwing rice in Zhaoping Town in recent years,investigations were carried out in fungus source quantity of sheath blight,management level of rice cultivation,the occurrence degree of planthopper(Nilaparvata lugens Stl.),climate conditions and control measurements etc.The results showed that the yield loss caused by sheath blight was the first in all insect pets,and should pay more attention.Taking five countermeasures such as lessening fungus sources strengthen fertilizer and water management,timely control by chemicals etc.could effectively control the rice sheath blight.更多还原