Surface coating of cowpea seed with certain vegetable oils for protection against pulse beetle
1987
Naik, R.L. | Dumbare, R.B. (Konkan Krishi Vidyapeeth, Depoli (India))
The efficacy of nine commonly available oils and five crude non-edible oils was tested on cowpea against the pulse beetle (Callosobruchus maculatus F). A definite potential of protection was exhibited by non-edible oils. Reduction in oviposition was noticed with all except soybean oil. Neem seed oil extract and sesamum oil caused at least oviposition. All non-edible oils except Karanj were clearly ovicidal. Mustard, niger and sesamum oil showed moderate ovicidal action. No adults emerged from seed treated with non-edible oils, suggesting larvicidal action. Sesamum oil was highly toxic among the edible oils
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