贵阳市烤烟生长期的有害生物及其种类

Pests and Their Species in Tobacco Growing Period in Guiyang

为了对贵阳市烟草有害生物的综合治理及重要天敌的保育提供参考,于2012年3-8月对贵阳烟草有害生物进行了调查研究。结果发现:烟草害虫10种、病害14种、杂草33种及重要害虫天敌4种。其中,烟蚜、小地老虎、斜纹夜蛾和烟青虫等为主要害虫,烟草花叶病毒病、马铃薯病毒病(马铃薯Y病毒病、烟草脉斑病毒病等)、白粉病、黑胫病和青枯病等为主要病害;马唐、辣子草、鬼针草、反枝苋、尼泊尔蓼等为主要杂草,烟蚜茧蜂和棉铃虫齿唇姬分别为烟蚜和烟青虫等的重要天敌。

In order to offer reference for integrated management of Guiyang tobacco pests and nursing of important natural enemies, from March to August in 2012, the authors conducted an investigation of tobacco pests in Guiyang. The results showed that there were 10 species of insect pests. 14 species of tobacco diseases, 33 species of weeds in the tobacco field and four species of natural enemies. Of which, the Myzus persicae, Agrotis ypsilon, Prodenia litura and Helicoverpa assulta were the main insect pests; Tobacco mosaic virus, potato virus group（Potato Y virus group and Tobacco vein spot virus）, Erysiphe cichoracearum , Phytophthora nicotianae , Pseudomonas solanacearum were the main tobacco diseases; Digitaria sanguinalis, Galinsoga parviflora, Bidens bipinnata, Polygonum nepalense, Amaranthus retrofexus were the main weeds; Aphidius gifuensis and Campoletis chlorideae were the important natural enemies of M. persicae and H. assulta.