Parasitization by dispersion of Trichogramma ostriniae in sweet corn fields.
Author of the article:HU Xue-Nan1,LIANG Guang-Wen2,PANG Xiong-Fei2
Author's Workplace:1.(Laboratory of Plant Quarantine, Guangzhou EntryExit Inspection & Quarantine Bureau, Guangzhou 510623, China); 2.(Laboratory of Insect Ecology, South China Agricultural University,Guangzhou 510642,China).
Key Words:Trichogramma ostriniae Pang et Chen; rate of parasitization; dispersion
Abstract:The annual population dynamics and daily activity patterns of Trichogramma ostriniae were investigated. Parasitization rates differed in different varieties of sweet corn and control fields. Optimum release rate and dispersal distance were obtained by