摘要
海南省尖峰岭地区营造的 5～ 6年生海南红豆行道树 ,严重发生了由红锈藻引起的红锈病。在5 0 0株幼树中 ,发病株率高达 97.5 % , ～ 级病株率 80 % ,病情指数 75 .5 ,导致部分叶片干枯或脱落 ,嫩枝枯死 ,树势衰弱 ,生长严重受阻。文章对该病的症状、病原。
Red rust disease by Cephaleuros vierescens Kuntze on the five to six year old trees of Ormosia pinnata occurred seriously in Jianfengling in Hainan Province. The incidence of disease was 80%,the disease index was 75.5.As infected,the leaves and twigs died back or fell,the growth of young trees slowed down sharply.The symptom of the disease,pathogen and occurrence regularity were reported.
出处
《中国森林病虫》
北大核心
2001年第6期5-6,共2页
Forest Pest and Disease
关键词
海南红豆
红锈病
红锈藻
危害
Ormosia pinnata , red rust disease
Cephaleuros vierescens
