Biological, Chemical and Integrated Control of Two-spotted Spider Mite Tetranychus urticae on Dwarf Hops

Autor:	Colin A. M. Campbell, Richard Lilley
Rok vydání:	1999
Předmět:	Tebufenpyrad Spider biology Acaricide biology.organism_classification medicine.disease_cause Toxicology chemistry.chemical_compound Phytoseiulus persimilis chemistry Spider mite Insect Science Infestation Botany Mite medicine Tetranychus urticae Agronomy and Crop Science
Zdroj:	Biocontrol Science and Technology. 9:467-473
ISSN:	1360-0478 0958-3157
Popis:	Chemical, biological and integrated programmes for the control of two-spotted spider mite, Tetranychus urticae, were compared on dwarf hops in 1997 and 1998. In both years integrated control, which consisted of an application of the ovicidal acaricide clofentezine followed by a release of the predatory mite Phytoseiulus persimilis at 10 individuals per plant, was the most effective treatment. Similar numbers of spider mites were recorded on plots that were treated with P. persimilis only or with a single application of the acaricide tebufenpyrad, and plots with either of these treatments had higher levels of infestation than the plots under integrated control. The highest numbers of spider mites were found on the untreated plots. This study indicates that integrated control of T. urticae using clofentezine in conjunction with P. persimilis is likely to be more effective than an approach based on chemical or biological measures only. It is suggested that an integrated system would have the added benefit ov...
Databáze:	OpenAIRE
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