2007
DOI: 10.1590/1808-1657v74p1412007
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Patogenicidade De Metarhizium Anisopliae (Metsch.) Sorokin Sobre as Fases Do Desenvolvimento De Tibraca Limbativentris Stal (Hemiptera: Pentatomidae) Em Condições De Laboratório

Abstract: RESUMO Visando selecionar um isolado de Metarhizium anisopliae promissor para o controle microbiano de Tibraca limbativentris e avaliar sua virulência sobre as fases do desenvolvimento desse inseto, realizaram-se dois bioensaios. Cinco isolados de M. anisopliae foram aplicados usando-se em suspensões fúngicas de 108 conídios/mL, sendo definidos os tratamentos: 1) testemunha, 2) isolado CG 041, 3) CG 144, 4) CG 167, 5) CG 835 e 6) CG 891. Para avaliar a virulência sobre as fases do desenvolvimento preparou-se u… Show more

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Cited by 9 publications
(1 citation statement)
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“…Our data suggest that this lower susceptibility of adults and older instar nymphs is strongly related to the antifungal activity of aldehydes involving tetradecanal, (E)-2-hexenal, (E)-2-octenal, (E)-2-decenal, and probably 4-oxo-(E)-2-hexenal. Rampelotti et al (2007) also observed that adults of T. limbativentris were the least susceptible stage when exposed to another isolate of M. anisopliae from southern Brazil. The use of higher dosages of entomopathogenic fungi under field conditions for the control of this stink bug could be considered an economic obstacle to farmers' acceptance.…”
Section: Discussionmentioning
confidence: 77%
“…Our data suggest that this lower susceptibility of adults and older instar nymphs is strongly related to the antifungal activity of aldehydes involving tetradecanal, (E)-2-hexenal, (E)-2-octenal, (E)-2-decenal, and probably 4-oxo-(E)-2-hexenal. Rampelotti et al (2007) also observed that adults of T. limbativentris were the least susceptible stage when exposed to another isolate of M. anisopliae from southern Brazil. The use of higher dosages of entomopathogenic fungi under field conditions for the control of this stink bug could be considered an economic obstacle to farmers' acceptance.…”
Section: Discussionmentioning
confidence: 77%