Observatorio de I+D+i UPM

Descripción
BACKGROUND: Long-lasting insecticide-treatednets (LLITNs) constitute anovel alternative that combinesphysical andchemical tactics toprevent insect accessandthe spread of insect-transmitted plant viruses in protected enclosures. This approach is based on a slow-release insecticide-treated net with large hole sizes that allow improved ventilation of greenhouses. The efficacy of a wide range of LLITNs was tested under laboratory conditions against Myzus persicae, Aphis gossypii and Bemisia tabaci. Two netswere selected for field tests under a high insect infestation pressure in the presence of plants infected with Cucumbermosaic virus and Cucurbit aphid-borne yellows virus. Theefficacyof Aphidius colemani, a parasitoid commonly used for biological control of aphids, was studied in parallel field experiments. RESULTS: LLITNs produced high mortality of aphids, although their efficacy decreased over time with sun exposure. Certain nets excludedwhiteflies under laboratory conditions; however, they failed in the field.Nets effectively blocked the invasion of aphids and reduced the incidence of viruses in the field. The parasitoid A. colemani was compatible with LLITNs. CONCLUSION: LLITNs of appropriate mesh size can become a very valuable tool in combination with biocontrol agents for additional protection against insect vectors of plant viruses under IPM programmes.
Internacional	Si
JCR del ISI	Si
Título de la revista	Pest Management Science
ISSN	1526-498X
Factor de impacto JCR	2,743
Información de impacto
Volumen
DOI	10.1002/ps.3942
Número de revista
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• Creador: Departamento: Producción Agraria