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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 89, No. 2, 1994, pp. 247-250
Bioline Code: oc94051
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 89, No. 2, 1994, pp. 247-250

 en Thevetia peruviana (Family: Apocynaceae) in the Control of Slug and Snails Pests
A Panigrahi & Sk Raut


An aqueous extract prepared from Kernels of the fruit of
Thevetia peruviana (Pers.) Schumann (Family : Apocynaceae)
was found under experimental conditions, to be toxic to the slug
Laevicaulis alte (Ferussac) and the snail Achatina fulica
Bowdich, the important agrihorticultural pests of Indo-Pacific
countries. Concentrations as low as 1% (w/v) killed all the slugs
exposed in less than 981.00 (+/- SD 22.76) min, and 2% of the
extract killed 100% of the slugs L. alte and 50%,  50% and
30% of the snail A. fulica in between 92.34 (+/- SD 6.63) -
321.33  (+/- SD 4.14) and 271.20 (+/- SD 17.54) - 298.26 (+/- SD
16.69) min respectively. The most effective concentration of the
extract was 20%; it killed 100% of exposed slugs and snails within a
short time (40-50 and 90-1440 min respectively) when the extract was
exposed on the soil in experimental trays or when it was applied to
potato slices offered as food to the gastropods.

Thevetia peruviana - fruit kernel extract - pest control - slugs - snails

© Copyright 1994 Memorias do Instituto Oswaldo Cruz.
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