摘要
介绍了梨轮纹病的病原及特征、侵染循环、发生规律和危害症状,提出防治该病应以预防为主,在加强栽培管理、增强树势、提高树体抗病能力的基础上,在发病初期及时施用化学药剂,以达综合防治的目的。为减轻梨轮纹病的危害,提高梨的产量和品质提供了一定的依据。
Causes and signs of pear ring rot were introduced as well as its infection cycle, occurrence laws and damage symptoms. Moreover, the comprehensive prevention measures were proposed mainly on prevention. On the basis of strengthening management to planting, strengthening the development of the tree in order to increase its resistance, chemicals should be applied timely at the initial infection stage. The study provided a support for relieving damages of pear ring rot, improving yield and quality of pear.
出处
《农业灾害研究》
2013年第4期25-28,共4页
Journal of Agricultural Catastrophology
关键词
梨轮纹病
发生规律
危害症状
防治技术
Pear ring rot
Occurrence laws
Damage symptoms
Prevention and control technology