锈寄生菌的分布及其林间发生规律的研究  

Distribution of rust parasite and its occurred pattern in forest.

作　　者：袁志文[1] 李连芝[1] 苑健羽[1] 贾云 

机构地区：[1]中国科学院沈阳应用生态研究所,沈阳110015 [2]辽宁省森林经营研究所,本溪117114

出　　处：《应用生态学报》1993年第2期178-181,共4页Chinese Journal of Applied Ecology

基　　金：国家自然科学基金

摘　　要：锈寄生菌主要分布于辽宁省的本溪、抚顺和丹东地区,对其在林间发生规律的研究结果表明,锈寄生菌孢子飞散高峰时出现在零点和12点;一年内孢子飞散时期为6月中旬至9月下旬,8月下旬为飞散高峰期。孢子飞散量受控于气象因子,特别与降雨量关系密切,锈寄生菌的潜育期为1个月左右。落叶松褐锈病的发生程度随着锈寄生菌寄生率的逐年增加而减轻,表明锈寄生菌对落叶松褐锈病有一定的控制作用。In Liaoning province, rust parasite mainly distributes at Benxi, Fushun and Dandong districts. The investigation on its occurred pattern in forest shows that the dispersing peak of its conidia occurrs at 24 and 12 o'clock. The dispersing period is from the second ten days of June to last ten days of September, and the peak is in the last ten days of August. The amount of dispersed conidia is controlled by meteorological factors and particularly by rainfall. The incubation period of rust parasite is about one month. The infected level by larch brown rust decreases with annually increasing parasitic rate of rust, indicating the control effect of rust parasite on larch brown rust.

关 键 词：锈寄生菌 发生规律 落叶松褐锈病 

分 类 号：S718.8[农业科学—林学]