商洛地区核桃主要病害发生特点及防治策略

摘要

通过调查,笔者发现影响商洛地区核桃生产的主要病害有3种:核桃黑斑病、核桃枝枯病、核桃腐烂病.分别对每种病害的危害症状、病原特点、发病规律进行了总结.结合生产实践,提出了以上3种主要病害的相应的防治策略.%Based on a survey, the author discovered three main diseases restricted the development of walnut industry in Shangluo. They are walnut bacterial blight, melanconium oblongum berk and the rot in walnut.This paper summarized damage symptom, pathogenic characteristics and occurrence regularity of three main diseases. Through a long time of production practice, the author provided the corresponding control strategies of three main diseases.