摘要
青杨叶锈病是土默特地区杨树发生的一种重要病害。病原为落叶松-杨栅锈菌。该病菌[0][Ⅰ]阶段专主寄生在落叶松上,[Ⅱ][Ⅲ]阶段寄生在青杨上。该病在土默特地区8~9月开始发病,病害发生比较严重,幼林发病较成林早、重;林内发病较林外重。
Leaf rust of Populus cathayana has occurred seriously in Tumote area. The pathogen is Melampsora larici-populina Kleb.. The bacteria at [0 ] [ Ⅰ] stage mainly parasitize on larch, the bacteria at [Ⅱ][Ⅲ] stage para- sitize on cathay poplar. Leaf rust begins from August to September in Tumote area, which occurs earlier and moreseriously in young forest than mature forest, and more seriously inside the forest than the open area.
出处
《内蒙古林业科技》
2014年第3期24-25,28,共3页
Journal of Inner Mongolia Forestry Science and Technology
基金
内蒙古自然科学基金项目(编号:2012MS0504)资助
关键词
青杨
叶锈病
发病规律
Populus cathayana
leaf rust
occurrence regularity
