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吉安市松材线虫病发生规律初探 被引量:2

Occurrence Regularities of Pine wilt Disease in Ji'an City
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摘要 通过对江西省吉安市松材线虫病的林间调查、监测及室内试验后发现,全市松材线虫病发生面积21 hm 2,病死松树1 339株,平均病株率为0.623%,分布在吉州区、井开区和吉安县;发病树种主要为马尾松,发病率与树龄有关,成林松林显著重于幼林;每年发病时间为7—10月,8月为病树发生高峰期,10月为不明显的次高峰期,这与吉安市松墨天牛生活史相吻合。 Through forest investigation, monitoring and laboratory test, the status quo of Pine wilt disease occurred in Ji'an City was found. Results showed that there were 21 hm 2 of forest infected by Pine wilt disease and 1 339 dead pine in the city, with the average infecting strain rate of 0.623%, which mainly were distributed in Ji'zhou District, Jing'kai District and Ji'an County;The species of ill trees was masson pine;The occurrence rate was concerned with the tree-age, and that of the adult trees was much worse than that of the young;The disease occurrence time was from July to October every year, with the first peak of occurrence in August and the second peak in October, which was consistent with the life history of Monochamus alternatus in Ji'an City.
出处 《生物灾害科学》 2015年第2期137-139,共3页 Biological Disaster Science
基金 江西省林业厅科技项目(GJJ13278)
关键词 松材线虫病 松墨天牛 吉安市 发生规律 Pine wilt disease Monochamus alternatus Ji’an City occurrence regularity
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