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- W2024169655 abstract "Visando oferecer controle mais efetivo da mosca branca, Bemisia argentifolii Bellows & Perring, foram testadas seis estratégias de uso de agroquímicos. Utilizaram-se os híbridos de tomate Heinz-2710 e Gem Pride, suscetível e resistente a geminivírus, respectivamente. As estratégias utilizadas para o controle da mosca branca não afetaram a porcentagem de frutos com amadurecimento irregular, nem os resultados para o °Brix e acidez nos híbridos de tomate Heinz-2710 e Gem Pride. A produtividade também não foi afetada no híbrido Heinz-2710, porém, com Gem Pride a maior produtividade (93,8 t/ha) foi alcançada com a estratégia 2, que diferiu apenas da estratégia 1. No híbrido Heinz-2710, a relação custo/benefício variou de R$ 1,11 (estratégia 2) a R$ 1,38 (estratégia 4), e com Gem Pride a variação foi de R$ 1,74 (estratégia 1) a R$ 3,33 (estratégia 2), indicando que há maior retorno financeiro com o híbrido Gem Pride (estratégia 2), em relação ao Heinz-2710 (estratégia 4). A relação custo/benefício obtida com as estratégias sugeridas pela pesquisa mostraram-se mais vantajosas em relação à utilizada pelos produtores e recomendada pela indústria. No entanto, a recomendação dessas estratégias para os produtores fica condicionada à obrigatoriedade do registro dos agroquímicos para a cultura do tomate. AGROCHEMICALS STRATEGIES EVALUATION TO CONTROL Bemisia argentifolii Bellows & Perring (Hemiptera: Aleyrodidae) ON TOMATO Abstract With the objective of offering more effect control to whitefly, Bemisia argentifolii Belows & Perring, six strategies were carried out by using agrochemicals. One taken from the farmer (1) four taken from the research (2, 3, 4 and 5) and one taken from the industry (6). Tomato Heinz-2710 and Gem Pride hybrids were used, both susceptible and geminivirus-resistant, respectively. The percentage of tomato fruits with irregular ripening, oBrix and acidity were not affected by whiteflies infestation among the strategies. Productivity was not also affected on Heinz-2710 hybrid, even so on Gem Pride hybrid the largest productivity (93,8 t/ha) was achieved for strategy 2, which just differed from strategy 1. On Heinz-2710 hybrid the cost-benefit values varied from R$ 1,11 (strategy 2) to R$ 1,38 (strategy 4) while on Gem Pride hybrid the variation was between R$ 1,74 (strategy 1) and R$ 3,33 (strategy 2), indicating that there was a larger financial profit on Gem Pride (strategy 2) hybrid as compared to Heinz-2710 hybrid (strategy 4). For the best strategies, the following agrochemicals were used: strategy 2 (Imidacloprid; Acephate + adhesive spreading agent; Methamidophos + thiamethoxam + adhesive spreading agent; Acephate + buprofezin + adhesive spreading agent; Fenpropathrin + methamidophos + adhesive spreading agent; Acephate + buprofezin + adhesive spreading agent; Deltamethrin + triazophos + adhesive spreading agent; Lambdacyalothrin + pyriproxifen + adhesive spreading agent; Deltamethrin + triazophos + adhesive spreading agent; Lambdacyalothrin + pyriproxifen + adhesive spreading agent; neutral detergent); strategy 4 (Thiamethoxam; Acephate + thiamethoxam + adhesive spreading agent; Acephate + buprofezin + adhesive spreading agent; Fenpropathrin + methamidophos + adhesive spreading agent; Buprofezin + methamidophos + adhesive spreading agent; Acephate + fenpropathrin + adhesive spreading agent; Lambdacyalothrin + pyriproxifen + adhesive spreading agent; Deltamethrin + triazophos + adhesive spreading agent; Lambdacyalothrin + pyriproxifen + adhesive spreading agent; Deltamethrin + triazophos + adhesive spreading agent; neutral detergent). However, a recommendation of these strategies to the farmers has been conditioned to agrochemicals registration mandatory for tomato crops." @default.
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- W2024169655 date "2002-12-31" @default.
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- W2024169655 title "AVALIAÇÃO DE ESTRATÉGIAS COM AGROQUÍMICOS NO CONTROLE DE Bemisia argentifolii Bellows & Perring (Hemiptera: Aleyrodidae) EM TOMATE" @default.
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- W2024169655 doi "https://doi.org/10.5380/pes.v12i0.3155" @default.
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