Eficiência de armadilhas na captura da traça-do-tomateiro (Scrobipalpuloides absoluta (Meyrick, 1917)), com utilização de feromônio sexual, em estufa plástica

Guedes, Jerson Vanderlei Carús; Dequech, Sônia Thereza Bastos; Ribeiro, Ana Lúcia de Paula

doi:10.1590/s0103-84781996000100026

Cienc. Rural

1996

DOI: 10.1590/s0103-84781996000100026

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Eficiência de armadilhas na captura da traça-do-tomateiro (Scrobipalpuloides absoluta (Meyrick, 1917)), com utilização de feromônio sexual, em estufa plástica

Jerson Vanderlei Carús Guedes

Sônia Thereza Bastos Dequech

Ana Lúcia de Paula Ribeiro

Abstract: Foi conduzido um experimento com tomateiro cultivado em estufa plástica, em Jaguari, RS, no ano de 1995. Avaliou-se a eficiência de captura de três modelos de armadilha com feromônio sexual natural de Scrobipalpuloides absoluta. O modelo "SANTA MARIA " capturou 25% mais insetos que o modelo "CICA-R", sem diferir significativamente deste. Os modelos "SANTA MARIA " e "CICA-R "foram mais eficientes que o modelo "EMBRAPA ".

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Tomada de decisão de controle da traça-do-tomateiro através de armadilhas com feromônio sexual

Benvenga¹,

Gravena²

2007

Hortic. Bras.

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Decision making for integrated pest management of the South American tomato pinworm based on sexual pheromone trapsThe relationship between the productivity and the infestation of Tuta absoluta on tomato plants and adults caught in sexual pheromone traps was established to evaluate the effect of pest infestation on yield losses as well as on adults' density for decision-making improvement. Sexual pheromone traps were installed in three commercial fields of tomato in São Paulo State, Brazil (Mogi Guaçu, Tambaú and Sorocaba counties) with experimental plots of 18,000 plants each (1.5 ha). The presence of insects in the traps as well as the infestation on plants were evaluated twice a week on the same dates. The evaluations took place until harvesting. The productivity was expressed as marketable boxes of 24 kg/1000 plants. The relationship between tomato production and pest infestation on plants or pheromone traps was linear and negative. The adults' occurrence on traps and plant infestation showed an influence on yield losses. The action level of T. absoluta with sexual pheromone traps was 45 ± 19.50 insects daily.

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Tomada de decisão de controle da traça-do-tomateiro através de armadilhas com feromônio sexual

Benvenga¹,

Gravena²

2007

Hortic. Bras.

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Response ofTuta absoluta(Lepidoptera: Gelechiidae) to Different Pheromone Emission Levels in Greenhouse Tomato Crops

Vacas¹,

López²,

Primo³

et al. 2013

Environ Entomol

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The response of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) to different emission rates of its pheromone, (3E, 8Z, 11Z)-tetradecatrienyl acetate, was measured in two greenhouse trials with traps baited with mesoporous dispensers. For this purpose, weekly moth trap catches were correlated with increasing pheromone emission levels by multiple regression analysis. Pheromone release profiles of the dispensers were obtained by residual pheromone extraction and gas chromatography quantification. In the first trial carried out in summer 2010, effect of pheromone emission was significant as catches increased linearly with pheromone release rates up to the highest studied level of 46.8 μg/d. A new trial was carried out in spring 2011 to measure the effect of the emission factor when pheromone release rates were higher. Results demonstrated that trap catches and pheromone emission fitted to a quadratic model, with maximum catches obtained with a release level of 150.3 μg/d of (3E, 8Z, 11Z)-tetradecatrienyl acetate. This emission value should provide enhanced attraction of T. absoluta and improve mass trapping, attract-and-kill, or monitoring techniques under greenhouse conditions in the Mediterranean area.

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Eficiência de armadilhas na captura da traça-do-tomateiro (Scrobipalpuloides absoluta (Meyrick, 1917)), com utilização de feromônio sexual, em estufa plástica

Cited by 2 publications

References 0 publications

Tomada de decisão de controle da traça-do-tomateiro através de armadilhas com feromônio sexual

Tomada de decisão de controle da traça-do-tomateiro através de armadilhas com feromônio sexual

Response ofTuta absoluta(Lepidoptera: Gelechiidae) to Different Pheromone Emission Levels in Greenhouse Tomato Crops

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