ReleasingAmblyseius spp. [Acarina: Phytoseiidae] to controlThrips tabaci [Thysanoptera: Thripidae] on cabbage
| Autor: | C. W. Hoy, C. S. Glenister |
|---|---|
| Rok vydání: | 1991 |
| Předmět: |
Phytoseiidae
Pyrethroid biology Thrips Biological pest control Plant Science Thripidae biology.organism_classification chemistry.chemical_compound Horticulture chemistry Animal ecology Insect Science Botany Acari PEST analysis General Agricultural and Biological Sciences Agronomy and Crop Science Ecology Evolution Behavior and Systematics |
| Zdroj: | Entomophaga. 36:561-573 |
| ISSN: | 1573-8248 0013-8959 |
| Popis: | Two species of predaceous mites,Amblyseius barkeri (Hughes) [=A. mckenzieiSchuster & Pritchard] andA. cucumeris (Oudemans) [Acarina: Phytoseiidae] were evaluated as potential biological control agents forThrips tabaci Lindeman [Thysanoptera: Thripidae] on cabbage.A. barkeri colonized cabbage heads in preliminary trials. Field releases of different numbers of mites per plant during 1987 showed thatA. barkeri reduced the number of thrips in cabbage heads at harvest, and the reduction was proportional to the number of mites released, but thrips damage was unaffected. ReleasingA. cucumeris at different times during 1988, but releasing the same number of mites each time, we found that earlier releases resulted in fewer thrips and less damage at harvest; these relationships were not present, however, in plots treated with pyrethroid insecticides. We conclude that inoculative release ofAmblyseius spp. is a potentially useful thrips management strategy, but improvements in release timing and strategy will be required to provide commercially acceptable control. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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