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Indian Journal of Natural Products and Resources (IJNPR)
[Formerly Natural Product Radiance (NPR)] >
NPR Vol.4 [2005] >
NPR Vol.4(1) [January-February 2005] >
| Title: | Insecticide/Fungicide/Bioherbicide |
| Issue Date: | Feb-2005 |
| Publisher: | CSIR |
| Abstract: | Natural Product Radiance - Jan. 2005The major insect pest of stored maize and grain products in the
tropics is Sitophilus zeamais Motschulsky. The toxicity of
coconut, groundnut and soybean oils applied at 1, 2, 5 and 10 ml/kg and
Pirimiphos-methyl at 2.5, 5 and 10μl active ingredient in 2ml of water/kg of
grain alone or in combination, to adults and immature stages of S.
zeamais, the persistence of the treatments in maize grains and their effects
on seed viability were evaluated by scientists in the laboratory at Department
of Crop Science, University of Ghana, Accra, Ghana. All the treatments caused
significant mortality compared to untreated controls. Low dosages of the oils
and Pirimiphos-methyl when combined were highly toxic to adult S.
zeamais. The mixtures completely inhibited the development of immature
stages of the weevil. Only Pirimiphos-methyl and the mixtures retained some
activity 60 days after application. |
| Page(s): | 59 |
| ISSN: | 0975-1092 (Online); 0972-592X (Print) |
| Source: | NPR Vol.4(1) [January-February 2005]
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