Registro Completo |
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
16/08/1995 |
Data da última atualização: |
16/08/1995 |
Autoria: |
BRAUN, A. R.; GUERRERO, J. M.; BELLOTTI, A. C.; WILSON, L. T. |
Afiliação: |
Dep. of Entomology, Univ. of California, Davis, CA 95616. |
Título: |
Evaluation of possible nonlethal side effects of permethrin used in predator exclusion experiments to evaluate amblyseius limonicus (acari: phytoseiidae) in biological control of cassava mites. |
Ano de publicação: |
1987 |
Fonte/Imprenta: |
Environ. Entomol. v.16, p.1012-1018, 1987 |
Idioma: |
Inglês |
Conteúdo: |
Pernethrin has been recommended for use im predator exclusion studies of Amblyseius limonicus Garman & McGregor (formerly in Typholodromalus), an important predator of tetranychid cassava(Manihot esculenta Crantz) pests: green mite, Mononychellus progresivus Doreste, and twospotted spider mite, Tentrancychus urticae Koch. Among criteria for a chemical exclusion agebt are selective toxicity and lack of side effects such enhanced pest fecundity, stimluation of plant growth, or improvement of host plant nutritional quality. Laboratory and field test providd no evidence for phytostimulation, change in cassava nutritional quality, or increased spider mite fecundity; however, abundance of nontarget arthropods was significantly reduced in permethrin-treated field plots. A possible repelleney effect of permethrin on M. progresivus was suggested under laboratory conditions. Implications of repellency and lowered abundance of nontarget species for field use of permethrin as a predator exclusion agent are discussed. |
Palavras-Chave: |
Predator exclusion; Spiders. |
Thesagro: |
Tetranychidae. |
Thesaurus Nal: |
cassava; permethrin; Phytoseiidae. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01742naa a2200229 a 4500 001 1646760 005 1995-08-16 008 1987 bl --- 0-- u #d 100 1 $aBRAUN, A. R. 245 $aEvaluation of possible nonlethal side effects of permethrin used in predator exclusion experiments to evaluate amblyseius limonicus (acari$bphytoseiidae) in biological control of cassava mites. 260 $c1987 520 $aPernethrin has been recommended for use im predator exclusion studies of Amblyseius limonicus Garman & McGregor (formerly in Typholodromalus), an important predator of tetranychid cassava(Manihot esculenta Crantz) pests: green mite, Mononychellus progresivus Doreste, and twospotted spider mite, Tentrancychus urticae Koch. Among criteria for a chemical exclusion agebt are selective toxicity and lack of side effects such enhanced pest fecundity, stimluation of plant growth, or improvement of host plant nutritional quality. Laboratory and field test providd no evidence for phytostimulation, change in cassava nutritional quality, or increased spider mite fecundity; however, abundance of nontarget arthropods was significantly reduced in permethrin-treated field plots. A possible repelleney effect of permethrin on M. progresivus was suggested under laboratory conditions. Implications of repellency and lowered abundance of nontarget species for field use of permethrin as a predator exclusion agent are discussed. 650 $acassava 650 $apermethrin 650 $aPhytoseiidae 650 $aTetranychidae 653 $aPredator exclusion 653 $aSpiders 700 1 $aGUERRERO, J. M. 700 1 $aBELLOTTI, A. C. 700 1 $aWILSON, L. T. 773 $tEnviron. Entomol.$gv.16, p.1012-1018, 1987
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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