JOINT ACTION OF TWO LOCAL MINERAL OILS WITH SOME ORGANOPHOSPHOROUS INSECTICIDES AGAINST ADULTS OF THE WHEAT APHID RHOPALOSIPHUM PADI. | ||
| Egyptian Journal of Agricultural Research | ||
| Volume 71, Issue 2, June 1993, Pages 473-479 PDF (1.5 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejar.1993.459029 | ||
| Author | ||
| WAFAA M. H. EL-DEEB | ||
| Centeral Agricultural Pesticides Laboratory, Agricultural Research Centre, Ministry of Agriculture, Dokki, Giza, Egypt | ||
| Abstract | ||
| Two mineral oils and five organophosphorous insecticides were tested individually againt adults of the wheat aphid Rhopalosiphum padi.The results showed that primiphos-ethyl, primiphos - methyl and the mineral star oil were more toxic than monocrotophos, dimethoate, malathion and the mineral oil Shokrona super. The joint action of insecticide /mineral oil combinations revealed different levels of synergism except for primiphos-methyl/Shokrona super where antagonism was observe. The most effective combination was primiphos - methyl/Star oil with a factor of sinergism 4.54, while the least was dimethoate / Star oil . | ||
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