试论呼市地区园林植物五小害虫的发展状况和防治策略

本文在实地调查和试验研究的基础上，系统地分析了呼市地区园林植物五小害虫的发展状况，在初步查清主要危害虫种及其生物学特性基础上，提出了加强植物检疫，利用，保护天敌，加强生物防治的研究，适时采用物理防治方法，合理科学地应用化学防治法的综合防治策略，对化学杀虫剂的选择，使用浓度，施药时间和次数提出了科学有效的试验依据。

STUDY ON THE DEVELOPING CONDITION AND THE PROTECTION TACTICS AGAINST THE FIVE SMALL INSECTS OF THE HORTICULTURE PLANTS IN HOHHOT

In the paper,Based on the on- the- spot investigation,experiments and research,thedeveloping condition of the five small insects of the horticulture plants in Hohhot have beenanalysed systematically. After finding out the species and the biological characters of theharmful pests,synthetic protection measures of the strengthening of plant quarantine,adopt-ing some physical protection measures at the right movement and the reasonably and scientif-ically applying of chemicall methods,Some scientific effective experiment basis has also beenput forward:the selection of chemical pesticides,its density,right movements and the times,etc.