Effects of azadirachtin on <i>Tetranychus urticae</i> (Acari: Tetranychidae) and its compatibility with predatory mites (Acari: Phytoseiidae) on strawberry

Bernardi, Daniel; Botton, Marcos; Cunha, Uemerson Silva da; Bernardi, Oderlei; Malausa, Thibaut; Garcia, Mauro Silveira; Nava, Dori Edson

doi:10.1002/ps.3364

Cited by 56 publications

(40 citation statements)

References 34 publications

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“…In most strawberry crops, control of the spider mite is almost exclusively performed with the use of agrochemicals, whose environmental impact under certain circumstances can be quite significant (WATANABE et al, 1994;BERNARDI et al, 2013). In addition, the control of T. urticae is hampered by its high reproductive potential and low efficiency of products used, mainly due to the existence of several populations of this species resistant to acaricides such as abamectin and fenpyroximate (SAtO et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

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DEVELOPMENT OF Tetranychus urticae KOCH (ACARI: TETRANYCHIDAE) IN DIFFERENT STRAWBERRY CULTIVARS

et al. 2017

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-two-spotted spider mite, Tetranychus urticae Koch, is considered the main pest in strawberry crop. The control of this species is hampered by the low efficiency of products currently used, occurrence of populations resistant to acaricides and high reproductive potential of this pest. this leads to the use of pesticides and increased agrochemical residues in fruits. the use of resistant cultivars is considered the ideal control method because they maintain mite populations below levels of economic damage, minimize the environmental impact of pesticides at no extra cost to the farmer, and serve as an auxiliary tool in integrated pest management. In this sense, this study evaluated the resistance of strawberry cultivars to T. urticae by studying the development of its biological aspects. comparative biology experiments and non-preference tests for feeding and oviposition for spider mite were carried out in 16 strawberry cultivars under laboratory conditions. Based on results, it was found that camarosa, Florida Festival, IAc campinas and Sabrosa strawberry cultivars indicated the possibility of antibiosis type resistance to spider mite, influencing the preference to food, development and oviposition, indicating the existence of differentiated reaction in population development among cultivars. Index terms: two-spotted spider mite, comparative biology, antixenosis. DESENVOLVIMENTO DE Tetranychus urticae KOCH (ACARI: TETRANYCHIDAE) EM DIFRENTES CULTIVARES DE MORANGUEIRORESUMO -O ácaro-rajado, Tetranychus urticae Koch, é considerado a principal praga da cultura do morangueiro. O controle desta espécie é dificultado pela baixa eficiência dos produtos atualmente empregados, pela ocorrência de populações resistentes a acaricidas e ao alto potencial reprodutivo dessa praga. Isso induz ao uso de agrotóxicos e ao aumento de resíduos de agroquímicos na fruta. O emprego de cultivares resistentes é um método de controle considerado ideal, pois permite a manutenção do ácaro em níveis inferiores aos de dano econômico, minimiza o impacto ambiental dos agrotóxicos, sem ônus adicional ao agricultor, e serve como ferramenta auxiliar no manejo integrado da praga. Nesse sentido, o trabalho avaliou a resistência de cultivares de morangueiro a T. urticae através do estudo do desenvolvimento de seus aspectos biológicos. Experimentos de biologia comparada, testes de não preferência à alimentação e a oviposição para o ácaro-rajado foram conduzidos em 16 cultivares de morangueiro em condições de laboratório. A partir dos estudos, constatou-se que as cultivares camarosa, Florida Festival, IAc campinas e Sabrosa indicaram a possibilidade da existência de resistência do tipo antibiose para o ácaro-rajado, influenciando na preferência à alimentação, desenvolvimento e oviposição, indicando a existência de reação diferenciada entre as cultivares estudadas. Termos para indexação: ácaro-rajado, biologia comparada, antixenose.

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Section: Introductionmentioning

confidence: 99%

“…One of the alternatives is the reduction in the use of agrochemicals, aiming at the production of fruit free of toxic residues and healthy to consumers through the use of biological control with predatory mites associated to the use of natural products. (BeRNARDI et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

DEVELOPMENT OF Tetranychus urticae KOCH (ACARI: TETRANYCHIDAE) IN DIFFERENT STRAWBERRY CULTIVARS

et al. 2017

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“…In the present study; however, a higher mortality percentage was obtained using a commercial product in a concentration 75% lower. This can be attributed to the standardized formulation of the commercial product (BRITO et al, 2006;BERNARDI et al, 2012).…”

Section: Resultsmentioning

confidence: 99%

Azadirachtin on Oligonychus yothersi in yerba mate Ilex paraguariensis

et al. 2016

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“…BERNARDI et al (2012) found that ICA at a concentration of 0.3%, after seven days of application, caused mortality in 79% of a population of adults and nymphs of T. urticae. The difference between the results can be related to the populations of the pest once immature mites might be more sensitive to azadirachtin than adults.…”

Section: Mortality Of Two-spotted Spider Mitesmentioning

confidence: 98%

“…However, the resistance of this pest to such products has stimulated the search for new control methods, which include the use of plant species with insecticidal and acaricidal properties. In recent years, different studies have been reported the potential of essential oils and plant extracts for control of mites (BERNARDI et al, 2012;ATTIA et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Ethanol extract of Cymbopogon winterianus on mortality and number of eggs of Tetranychus urticae

Vicentini

Pratissoli

Queiroz³

et al. 2015

Cienc. Rural

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Effects of azadirachtin on Tetranychus urticae (Acari: Tetranychidae) and its compatibility with predatory mites (Acari: Phytoseiidae) on strawberry

Abstract: Azadirachtin provided effective control of T. urticae and is compatible with the predatory mites N. californicus and P. macropilis. It is an excellent tool to be incorporated into integrated pest management for strawberry crop in Brazil.

Cited by 56 publications

References 34 publications

DEVELOPMENT OF Tetranychus urticae KOCH (ACARI: TETRANYCHIDAE) IN DIFFERENT STRAWBERRY CULTIVARS

DEVELOPMENT OF Tetranychus urticae KOCH (ACARI: TETRANYCHIDAE) IN DIFFERENT STRAWBERRY CULTIVARS

Azadirachtin on Oligonychus yothersi in yerba mate Ilex paraguariensis

Ethanol extract of Cymbopogon winterianus on mortality and number of eggs of Tetranychus urticae

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