Dominant natural enemies of wheat aphids and natural control their impacts in wheat fields.
Author of the article:LIU Sheng-Rui
Author's Workplace:(Agricultural Technology Promotion Centre,Huanxian County,Gansu Province745700,China).
Key Words:wheat aphids;dominant natural enemy;biological control;protection and utilization
Abstract:The natural enemy resources are rich in Huanxian County,Ganshu Province.Among them,more than 30 species are dominant natural enemies of wheat aphids.They inhibited the occurrence of aphids efficiently by acting one after another and coordinately during th