摘要
采取线路踏查与标准地调查相结合的方法对祁连山自然保护区落叶松林病虫害进行了全面调查。初步查到落叶松病害6种,其中叶部病害3种、枝梢病害1种、干部病害1种、苗木病害1种;病原有真菌5种、生理性病原1种、冻害1种。采集观察到取食落叶松的昆虫125种,其中,发现国内新记录2种,省内新记录8种,区内新记录37种。落叶松落针病、烟煤病、落叶松枯梢病有轻微发生;发生危害的主要虫害为落叶松球蚜,鼠害为未成林造林地内的中华鼢鼠。提出了落叶松林病虫鼠害可持续控制的策略与技术。
With the combination way of line survey and standard plot investigation, the damages caused by diseases, insects and rats were roundly investigated in Larix principis-rupprechtii forest of Qilian nature reserve. The results are： 6 species diseases were found, including 3 leaf diseases, 1 twig disease, 1 trunk disease and 1 seedling disease; 5 fungal pathogens, 1 physiological type pathogen and 1 frozen injury. 125 species insects which with the food of Larix principis-rupprechtii were found, including 2 new records in china, 8 new records in Gansu province and 37 new records in Qilian mountains. Mycosphaerella larici-leptolepis, Furnago vagans and Guignardia laricina have a light occurrence in the area; the main pest is Adelges laricis potaninilaricis. The main damage rat is Myospalacc fontanieri in the fail of planted land. The tactic and techniques of Sustainable pest management were put forward in tho n
出处
《甘肃林业科技》
2005年第3期27-31,共5页
Journal of Gansu Forestry Science and Technology
基金
甘肃省科技攻关项目(编号GS993-A41-020)
关键词
祁连山
华北落叶松林
病虫鼠害
可持续控制
Qilian mountains
Larix principis-rupprechtii
pest
Sustainable pest management
