洛龙党参有害生物调查与防治研究

Investigation and Control of Pests of Codonopsis tangshen

本文对道真县洛龙党参有害生物种类进行了调查,并使用抗生素对桃蚜进行防治试验。结果表明,共发现党参虫害14种、病害1种、杂草3种、天敌昆虫5种。大多数集中分布于1400 m以下区域,其中主要危害种类为桃蚜、小地老虎、锈病。使用抗生素均能显著降低桃蚜产子量,其中盐酸土霉素效果最好,值得推广。

This article investigated the types of pests of Codonopsis tangshen in Daozhen County,and used antibiotics to control Myzus persicae.The results showed that there were 14 species of pests on Codonopsis tangshen,1 species of disease,3 species of weeds,and 5 species of natural enemy insects.Most of them were concentrated in areas below 1400 m,and the main pests were Myzus persicae,black cutworm and rust.The use of antibiotics could significantly reduce the fertility of Myzus persicae,of which oxytetracycline hydrochloride had the best effect and was worthy of promotion.