干热河谷木棉主要病虫害种类及防治建议

Investigation on the Diseases and Pest Insects in Bombax ceiba in Dry-hot Valley

木棉(Bombax malabaricum)在云南的分布集中于干热河谷,本研究在主要的木棉分布和种植基地开展木棉病虫害调查,同时采集病、虫害标本进行形态学鉴定,共鉴定出病害14种,害虫7种。对发生较为严重的木棉干腐病、叶斑病、炭疽病、蓝绿象甲及严重为害根部的白蚁进行调查,提出了木棉人工纯林种植可能造成的病虫害爆发风险及防治建议。

The common survey and thematic survey on the diseases and pest insects of Bombax ceiba carried out in 16 towns in the dry-hot valley of Yunnan Province. The disease and pest samples were collect for morphological identification. Fourteen diseases and seven species of main pest insects were identified. The investigation into the occurrence of important diseases and pests of Wisneriomyces javanicus Koorders Glomerella cingulata（ Stonem.） Spauld. et Schrenk、Hypomeces squamosus Fabricius and the root disease of M. annandalei（ Silvestri） was also carried out and the corresponding control measures were proposed for artificial pure forests planted Bombax ceiba.