【摘要】 为有效防治西瓜炭疽病,对黑龙江省不同地区的露地和保护地西瓜进行西瓜炭疽病发生危害情况进行调查研究。结果表明:黑龙江省西瓜炭疽病发生普遍,危害程度与地点、西瓜品种及栽培方式相关。研究明确了不同地区西瓜炭疽病的发生危害程度,各地发生程度存在着差异,平均发病率幅度为3.61%~45.5%,平均病情指数幅度为1.52~28.33,牡丹江地区和哈尔滨地区的双城市发生较重,佳木斯地区发生较轻。通过对西瓜炭疽病症状观测,明确了西瓜炭疽病对西瓜不同部位的危害症状表现。更多还原

【Abstract】 The occurrence hazard of watermelon anthrax were investigated for open field and protected field in different areas of Heilongjiang province,for effective prevention and control of watermelon anthrax.The results showed that the occurrence of watermelon anthrax was common in Heilongjiang province,and the occurrence degree was correlated with location,watermelon varieties and cultivation methods.Identified the occurrence and damage degree had difference of watermelon anthrax in different regions.Average incidence rate was 3.6%~45.5%.Mean disease index was 1.52~28.33.It was serious in the region of Mudanjiang and Shuangcheng.It was light in Jiamusi region,the symptoms of different parts of watermelon were identified,according to the observation of the symptoms of watermelon anthrax.更多还原