| 摘要 |
<p>An oviposition-preventing pheremone preparation obtainable from a methanol extract of European corn borer eggs, and including a mixture of methyl esters of palmitoleic acid, palmitic acid, linoleic acid, oleic acid and stearic acid, an oviposition-preventing composition, designed particularly for countering the European corn borer, and including, as the active principle, at least one C1-3 alkyl ester of a C14-20 fatty acid, and use in controlling crop-destroying insects are described.</p> |
