Insecticidal Activity the Mixture of Natural Oil and a Synthetic Product
Keywords:
Alfalfa, Aphid, Insecticide, Malyphos, Mixture, Mortality, Synthetic.Abstract
To enhance the insecticidal activity the mixture of natural oil on aphid of the green alfalfa, we conducted tests to compare with the synthetic product Malyphos most used by farmers in our area. To address this problem, we treated alfalfa plants infested by aphids with doses of this product and the mixture of natural oil. In spring-summer or there is a significant number of plant louses and after a controlled time we determines the percentages dead of this parasite in order to obtaining the mortality according to time and dose of the synthetic product and of the oil mixture.
We want to compare the mortality of aphids between the Malyphos product and the mixture of natural oil to highlight the role of this mixture on the limitation of these parasites. Then see the possible use the mixture as a natural insecticide with no effect on human health and the environment.
The tests are performed in the month of April to July on aphid’s green alfalfa fields to determine the percentage mortality of aphids depending on the dose of 0.5 % and 1 % of these products and the time 3, 5 and 7 hours after treatment. The results showed that the mixture of natural oil and synthetic products have almost the same insecticidal activity.
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