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Resistance of Tetranychus urticae Koch to milbemectin and abamectin acaricides and management of strawberry and ornamental plants pest mites using predatory mites from Phytoseiidae family

Grant number: 07/02748-1
Support type:Scholarships in Brazil - Master
Effective date (Start): September 01, 2007
Effective date (End): April 30, 2009
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal researcher:Mário Eidi Sato
Grantee:Roberto Lomba Nicastro
Home Institution: Instituto Biológico (IB). Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). Campinas , SP, Brazil

Abstract

The two-spotted spider mite, Tetranychus urticae Koch, is one of the most important pests of strawberry and ornamental plants (e.g. roses, chrysanthemum) in Brazil. One of the problems faced by the growers is the low efficacy of T. urticae control through the use of acaricides. The biological disequilibrium caused by the elimination of natural enemies and the development of resistance to several acaricides in this species are among the main causes for the problems of control. The objective of this research is to provide basic information for the management of mites on strawberry and ornamental plants. The specific objectives are: to study the resistance of T. urticae to the acaricides milbemectin and abamectin, mainly on strawberry and ornamental plants; to study the sensibility of predaceous mites (Phytoseiidae) to some agrochemicals used on these crops; to study the viability of the release of predaceous mites (Phytoseiidae) on commercial strawberry fields for the biological control of the two-spotted spider mite. (AU)

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Scientific publications (4)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SATO, MARIO E.; DA SILVA, MARCOS Z.; RAGA, ADALTON; CANGANI, KATIA G.; VERONEZ, BRUCE; NICASTRO, ROBERTO L. Spiromesifen toxicity to the spider mite Tetranychus urticae and selectivity to the predator Neoseiulus californicus. PHYTOPARASITICA, v. 39, n. 5, p. 437-445, NOV 2011. Web of Science Citations: 10.
NICASTRO, ROBERTO LOMBA; SATO, MARIO EIDI; DA SILVA, MARCOS ZATTI. Fitness costs associated with milbemectin resistance in the two-spotted spider mite Tetranychus urticae. INTERNATIONAL JOURNAL OF PEST MANAGEMENT, v. 57, n. 3, p. 223-228, 2011. Web of Science Citations: 7.
SATO‚ M.E.; DA SILVA‚ M.Z.; RAGA‚ A.; CANGANI‚ K.G.; VERONEZ‚ B.; NICASTRO‚ R.L. Spiromesifen toxicity to the spider mite Tetranychus urticae and selectivity to the predator Neoseiulus californicus. PHYTOPARASITICA, p. 1-9, 2011.
NICASTRO, ROBERTO LOMBA; SATO, MARIO EIDI; DA SILVA, MARCOS ZATTI. Milbemectin resistance in Tetranychus urticae (Acari: Tetranychidae): selection, stability and cross-resistance to abamectin. Experimental and Applied Acarology, v. 50, n. 3, p. 231-241, MAR 2010. Web of Science Citations: 26.

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