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| 158. |  | HOFFMANN-CAMPO, C.B.; CORSO, I. C.; TONON, O. Doses reduzidas de inseticidas e danos causados à soja, por Sternechus subsignatus Boehman. In: REUNIÃO DE PESQUISA DE SOJA DA REGIÃO CENTRAL DO BRASIL, 24., 2002, São Pedro, SP. Resumos... Londrina: Embrapa Soja, 2002. p. 175-176. (Embrapa Soja. Documentos, 185).| Biblioteca(s): Embrapa Soja. |
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| 159. | | HOFFMANN-CAMPO, B.C.; CORSO, I. C.; OLIVEIRA, L. J. Deu tamandua na soja. Cultivar: grandes culturas, Pelotas, v.3, n.28, p.14,16, maio, 2001.| Biblioteca(s): Embrapa Soja. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
29/01/2001 |
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Data da última atualização: |
09/03/2006 |
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Autoria: |
GAZZONI, D. L.; CORSO, I. C. |
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Título: |
Variability of soybean insect sampling methods. |
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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.678. |
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Idioma: |
Inglês |
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Conteúdo: |
The beat cloth is the official recommended methodology for samplingsoybean insectspests, both for experimental purposes or for insect population assessment on soybean fields where Insect Pest Management Programs are carried out. The shock method was develop from the beat cloth by substituting the plants beat and shaking by the application of a powerful and broad spectrum insecticide at high rates, aiming to quickly kill allinsects on the sampling area. Dead insects are collected on a cloth placed on the soil, between soybean rows. The two sampling methods plus the sweep net were compared in a set of five experiments set up in the Londrina (Brazil) region. The sampled area wassimilar for all the methods, and collected insects were placed on plastic bags and transferred to the Embrapa Soja entomology laboratory for counting. Results indicated that the beat cloth and the shock methods are equivalent for sampling the VBC, Anticarsia gemmatalis and also for the main stink bugs that attack soybeans, while the sweep net consistently collected less insects. The time required for sampling a given area was not different when using beat cloth or the shock method, while the time needed for evaluation of the samples under laboratory conditions was reduced in 30-50% as compared to the beat cloth or the net. The variability of the samplings by each method was measured by using an indicator index with bionomial distribution, obtained from the plotting of the number of each species of insects collected on each sampling date. Results indicated a significantly higher variability when using the sweep net, for all the considered insects. Beat cloth and the shock method showed equivalent variability for A. gemmatalis, but estimatesfor stink bugs samplings were more precise when using the shok method. MenosThe beat cloth is the official recommended methodology for samplingsoybean insectspests, both for experimental purposes or for insect population assessment on soybean fields where Insect Pest Management Programs are carried out. The shock method was develop from the beat cloth by substituting the plants beat and shaking by the application of a powerful and broad spectrum insecticide at high rates, aiming to quickly kill allinsects on the sampling area. Dead insects are collected on a cloth placed on the soil, between soybean rows. The two sampling methods plus the sweep net were compared in a set of five experiments set up in the Londrina (Brazil) region. The sampled area wassimilar for all the methods, and collected insects were placed on plastic bags and transferred to the Embrapa Soja entomology laboratory for counting. Results indicated that the beat cloth and the shock methods are equivalent for sampling the VBC, Anticarsia gemmatalis and also for the main stink bugs that attack soybeans, while the sweep net consistently collected less insects. The time required for sampling a given area was not different when using beat cloth or the shock method, while the time needed for evaluation of the samples under laboratory conditions was reduced in 30-50% as compared to the beat cloth or the net. The variability of the samplings by each method was measured by using an indicator index with bionomial distribution, obtained from the plotting of the number of each species of insect... Mostrar Tudo |
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Palavras-Chave: |
Beat cloth; Brasil; Inseto Praga; Pest insects; Shock method; Soybean. |
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Thesagro: |
Soja. |
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Thesaurus NAL: |
Brazil. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02473naa a2200253 a 4500
001 1462638
005 2006-03-09
008 2000 bl uuuu u00u1 u #d
100 1 $aGAZZONI, D. L.
245 $aVariability of soybean insect sampling methods.
260 $c2000
300 $ap.678. v.2
490 $vv.2
520 $aThe beat cloth is the official recommended methodology for samplingsoybean insectspests, both for experimental purposes or for insect population assessment on soybean fields where Insect Pest Management Programs are carried out. The shock method was develop from the beat cloth by substituting the plants beat and shaking by the application of a powerful and broad spectrum insecticide at high rates, aiming to quickly kill allinsects on the sampling area. Dead insects are collected on a cloth placed on the soil, between soybean rows. The two sampling methods plus the sweep net were compared in a set of five experiments set up in the Londrina (Brazil) region. The sampled area wassimilar for all the methods, and collected insects were placed on plastic bags and transferred to the Embrapa Soja entomology laboratory for counting. Results indicated that the beat cloth and the shock methods are equivalent for sampling the VBC, Anticarsia gemmatalis and also for the main stink bugs that attack soybeans, while the sweep net consistently collected less insects. The time required for sampling a given area was not different when using beat cloth or the shock method, while the time needed for evaluation of the samples under laboratory conditions was reduced in 30-50% as compared to the beat cloth or the net. The variability of the samplings by each method was measured by using an indicator index with bionomial distribution, obtained from the plotting of the number of each species of insects collected on each sampling date. Results indicated a significantly higher variability when using the sweep net, for all the considered insects. Beat cloth and the shock method showed equivalent variability for A. gemmatalis, but estimatesfor stink bugs samplings were more precise when using the shok method.
650 $aBrazil
650 $aSoja
653 $aBeat cloth
653 $aBrasil
653 $aInseto Praga
653 $aPest insects
653 $aShock method
653 $aSoybean
700 1 $aCORSO, I. C.
773 $tIn: INTERNATIONAL CONGRESS OF ENTOMOLOGY, 21., 2000, Foz do Iguassu. Abstracts... Londrina: Embrapa Soja, 2000.
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