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Efficacy of euphorbia hirta latex as plant derived molluscicides against freshwater snails / Eficácia do látex da Euphorbia hirta como moluscicida vegetal contra caramujos de água doce
Yadav, Ram P; Singh, Ajay.
  • Yadav, Ram P; s.af
  • Singh, Ajay; Gorakhpur University. Department of Zoology. Natural Products Laboratory. IN
Rev. Inst. Med. Trop. Säo Paulo ; 53(2): 101-106, Mar.-Apr. 2011. graf, tab
Article in English | LILACS | ID: lil-584141
ABSTRACT
The toxic effect of binary and tertiary combinations of Euphorbia hirta Linn latex powder with other plant molluscicidal compounds, were evaluated against the freshwater snails Lymnaea (Radix) acuminata and Indoplanorbis exustus in pond. These combinations showed significant time and dose dependent effect against both the snails. These compounds at higher doses were also lethal to freshwater fish Channa punctatus (Bloch) (Channidae {Ophicephalidae}), which shares the habitat with these snails, but the LC90 (24h) doses of snails have no apparent killing properties in fish populations when treated in mixed population of snails and fish.
RESUMO
Os efeitos tóxicos das combinações binárias e terciárias do pó de látex da Euphorbia hirta Linn assim como outros compostos vegetais moluscicidas foram avaliados em sua ação sobre caramujos de água doce Lymnaea (Radix) acuminata e Indoplanorbis exustus em represas. Estas combinações mostraram significante efeito dose e tempo dependente contra ambos os caramujos. Estes compostos em doses altas foram também letais para peixes de água doce Channa punctatus (Bloch) (Channidae {Ophicephalidae}), que compartilham o ambiente com estes caramujos mas a dose LC90 (24h) para caramujos aparentemente não tem propriedade de matar as populações de peixes quando uma população mista de peixes e caramujos são tratadas.
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Full text: Available Index: LILACS (Americas) Main subject: Snails / Plant Extracts / Euphorbia / Latex / Molluscacides Limits: Animals Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2011 Type: Article Affiliation country: India Institution/Affiliation country: Gorakhpur University/IN

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Full text: Available Index: LILACS (Americas) Main subject: Snails / Plant Extracts / Euphorbia / Latex / Molluscacides Limits: Animals Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2011 Type: Article Affiliation country: India Institution/Affiliation country: Gorakhpur University/IN