摘要
对日光温室枣树昆虫群落指数及时间动态聚类分析研究的结果表明,日光温室枣树主要害虫防治可分为4阶段,其中2月、5月和6月昆虫群落处于极不稳定状态,优势种枣瘿蚊Contariniasp.、截形叶螨Tetranychusfruncatus发生量较大且易暴发,为化学防治关键时期。而1年其他时间则应视情况尽量采用农业、物理和生物等防治措施,以保护天敌,充分发挥天敌的控制作用。
Based on the method of fuzzy clustering, the characteristic indexes and the time dynamic of jujube insect community in greenhouse were studied. The results show that the control times of main insect pests may be divided into four phases. The phases of February, May and June are the key phases of chemical control, during which the insect community is hardly steady,the quantity of superior species Contarinia sp. and Tetranychus fruncatus becomes larger,causing these pest insects to break out easily. Conversely, in order to protect the nature enemies and give full play to their action, the methods of agriculture,physics and biology must be used to control the insect pests and in the rest time of a year.
出处
《中国生态农业学报》
CAS
CSCD
2006年第3期163-166,共4页
Chinese Journal of Eco-Agriculture
基金
山西省青年科技研究基金项目(20001044)资助
关键词
目光温室枣树
昆虫群落特征
时间动态
防治阶段
Jujube tree in greenhouse, Insect community characteristic, Time dynamic, Control phase