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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
21/12/2000 |
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Data da última atualização: |
09/03/2006 |
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Autoria: |
CORSO, I. C.; HOFFMANN-CAMPO, C.B. |
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Título: |
Control of Sternechus subsignatus (Col.: Curculionidae) with insecticides applied on soybean plants. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONGRESS OF ENTOMOLOGY, 21., 2000, Foz do Iguassu. Abstracts... Londrina: Embrapa Soja, 2000. |
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Volume: |
v.2 |
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Páginas: |
p.671. |
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Idioma: |
Inglês |
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Conteúdo: |
Sternechus subsignatus Boheman (Col.: Curculionidae), a stem borer gall maker, is a weevil that damage soybean plants by scraping stems and petioles, sometimes causing total loss of soybean fields. Aiming to test some insecticides and dosages for controling the weevil, two field experiments were carried out in 1998, in Maua da Serra and Pinhao, Parana State, Brazil. The experiment was in a randomized complete block desing, with four replicates per treatment. The plots measured 4x8m and 6x7m, respectivelly for each location; plants were at the V6 and V3 growing stage. Treatments e evaluated were: beta-cyfluthrin, in the emulsifiable concentrate (EC) and flowable (FW) formulations (10ga.i.ha -1), ethophenprox (45ga.i.ha -1), fipronil (32, 48 e 64 ga.i.ha -1), methamidophos (480ga.i.ha -1), thiamethoxan (210ga.i.ha -1) and a control (without spraying). Alive adults were sampled at 0, 2, 5 ou 6, and 12 or 14 days after application (DAA) of the insecticides in 12m (Maua da Serra) and 5m (Pinhao) os soybean row. In this last site, the initial stand of healthy plants and the number of plants attacked by the insect were also evaluated. Beta-cyfluthrin FW, fipronil (at the 3 tested doses), methamidophos and thiamethoxanwere efficient, reaching at least 80% of control until 5-6 DAA, inthe first experiment. Fipronil (at the 3 doses) and thiamethoxan were also efficient in the second experiment. According the data, the insecticides fipronil and thiamethoxan showed a larger residual power for controling S. subsignatus, providing a lesses final number of attacked plants. MenosSternechus subsignatus Boheman (Col.: Curculionidae), a stem borer gall maker, is a weevil that damage soybean plants by scraping stems and petioles, sometimes causing total loss of soybean fields. Aiming to test some insecticides and dosages for controling the weevil, two field experiments were carried out in 1998, in Maua da Serra and Pinhao, Parana State, Brazil. The experiment was in a randomized complete block desing, with four replicates per treatment. The plots measured 4x8m and 6x7m, respectivelly for each location; plants were at the V6 and V3 growing stage. Treatments e evaluated were: beta-cyfluthrin, in the emulsifiable concentrate (EC) and flowable (FW) formulations (10ga.i.ha -1), ethophenprox (45ga.i.ha -1), fipronil (32, 48 e 64 ga.i.ha -1), methamidophos (480ga.i.ha -1), thiamethoxan (210ga.i.ha -1) and a control (without spraying). Alive adults were sampled at 0, 2, 5 ou 6, and 12 or 14 days after application (DAA) of the insecticides in 12m (Maua da Serra) and 5m (Pinhao) os soybean row. In this last site, the initial stand of healthy plants and the number of plants attacked by the insect were also evaluated. Beta-cyfluthrin FW, fipronil (at the 3 tested doses), methamidophos and thiamethoxanwere efficient, reaching at least 80% of control until 5-6 DAA, inthe first experiment. Fipronil (at the 3 doses) and thiamethoxan were also efficient in the second experiment. According the data, the insecticides fipronil and thiamethoxan showed a larger residual powe... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Controle integrado de praga. |
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Thesagro: |
Controle Químico; Inseto; Pesticida. |
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Thesaurus Nal: |
Brazil; chemical control; Insecta; integrated pest management; pesticides. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02401naa a2200277 a 4500
001 1462608
005 2006-03-09
008 2000 bl uuuu u00u1 u #d
100 1 $aCORSO, I. C.
245 $aControl of Sternechus subsignatus (Col.$bCurculionidae) with insecticides applied on soybean plants.
260 $c2000
300 $ap.671. v.2
490 $vv.2
520 $aSternechus subsignatus Boheman (Col.: Curculionidae), a stem borer gall maker, is a weevil that damage soybean plants by scraping stems and petioles, sometimes causing total loss of soybean fields. Aiming to test some insecticides and dosages for controling the weevil, two field experiments were carried out in 1998, in Maua da Serra and Pinhao, Parana State, Brazil. The experiment was in a randomized complete block desing, with four replicates per treatment. The plots measured 4x8m and 6x7m, respectivelly for each location; plants were at the V6 and V3 growing stage. Treatments e evaluated were: beta-cyfluthrin, in the emulsifiable concentrate (EC) and flowable (FW) formulations (10ga.i.ha -1), ethophenprox (45ga.i.ha -1), fipronil (32, 48 e 64 ga.i.ha -1), methamidophos (480ga.i.ha -1), thiamethoxan (210ga.i.ha -1) and a control (without spraying). Alive adults were sampled at 0, 2, 5 ou 6, and 12 or 14 days after application (DAA) of the insecticides in 12m (Maua da Serra) and 5m (Pinhao) os soybean row. In this last site, the initial stand of healthy plants and the number of plants attacked by the insect were also evaluated. Beta-cyfluthrin FW, fipronil (at the 3 tested doses), methamidophos and thiamethoxanwere efficient, reaching at least 80% of control until 5-6 DAA, inthe first experiment. Fipronil (at the 3 doses) and thiamethoxan were also efficient in the second experiment. According the data, the insecticides fipronil and thiamethoxan showed a larger residual power for controling S. subsignatus, providing a lesses final number of attacked plants.
650 $aBrazil
650 $achemical control
650 $aInsecta
650 $aintegrated pest management
650 $apesticides
650 $aControle Químico
650 $aInseto
650 $aPesticida
653 $aBrasil
653 $aControle integrado de praga
700 1 $aHOFFMANN-CAMPO, C.B.
773 $tIn: INTERNATIONAL CONGRESS OF ENTOMOLOGY, 21., 2000, Foz do Iguassu. Abstracts... Londrina: Embrapa Soja, 2000.
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Embrapa Soja (CNPSO) |
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