THE STORED BEANS GRAIN PRESERVATION WITH BIOLOGIC ORIGIN INSECTICIDE OF AVERMECTINI’S GROUP PRESERVAÇÃO DE FEIJÃO ARMAZENADO, TRATADO COM INSETICIDA DE ORIGEM BIOLÓGICA DO GRUPO DAS AVERMECTINAS
Aiming to study alternatives to control Acanthoscelides obtectus in beans grain, it was made this experiment, evaluating the abamectin’s efficiency. The experimental design was completely randomized in factorial scheme 6 x 7, with 3 replications. There were 6 grain treatments and 7 storage periods....
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Veröffentlicht in: | Pesquisa agropecuária tropical 2007-09, Vol.22 (1), p.153-161 |
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Sprache: | eng |
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Zusammenfassung: | Aiming to study alternatives to control Acanthoscelides obtectus in beans grain, it was made this experiment, evaluating the abamectin’s efficiency. The experimental design was completely randomized in factorial scheme 6 x 7, with 3 replications. There were 6 grain treatments and 7 storage periods. It was used bean grain ‘EMGOPA -201’, treated with abamectin in dosages 1.0, 3.0 and 5.0 ppm, pirimifós-metil (10 ppm) and deltametrina + fenitrothion (0.4 + 7.5 ppm), and control. After treatment, grain samples were kept away, packaged in a bottle with web ird, and infested with 20 no sexed insects. The insecticide efficiency was evaluated 02, 30, 60, 90, 120, 150 and 180 days after treatment. It was observed that from 30 days storage, all products reduced the alive insects number and that abamectin insecticide must be recommended in 3.0 ppm dosage.
Com o objetivo de investigar novas alternativas no controle de Acanthoscelides obtectus em grãos de feijão, foi realizado o presente trabalho, em que se verifica a eficiência do princípio ativo do inseticida abamectin. O delineamento experimental adotado foi o inteiramente casualizado em esquema fatorial 6 X 7, com 3 repetições, sendo 6 tratamentos de grãos e 7 períodos de armazenamento. Utilizaram-se grãos de feijão ‘EMGOPA - 201’, que foram tratados com abamectin nas dosagens de 1,0; 3,0 e 5,0 ppm, pirimifós-metil (10 ppm) e deltametrina + fenitrothion (0,4 + 7,5 ppm), além da testemunha. Após o tratamento, amostras dos grãos foram retiradas e acondicionadas em frascos de vidro com tampa telada e infestadas com 20 insetos não sexados. A eficiência dos inseticidas foi avaliada aos 02, 30, 60, 90, 120, 150 e 180 dias após a aplicação dos produtos. Observou-se que a partir de 30 dias de armazenamento todos os produtos reduziram o número de insetos vivos nas amostras e que o inseticida abamectin deve ser recomendando na dosagem de 3,0 ppm. |
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ISSN: | 1983-4063 |
DOI: | 10.5216/pat.v22i1.2612 |