Mortality of watermelon aphids by neem natural oil and a chemical synthetic product.

Abstract

To study the mortality of vegetable oil (Neem) on watermelon aphids, we carried out tests to compare it with the chemical synthetic Malyphos most used by farmers in our region. Because of this, we treated the aphid infested watermelon leaves with doses of vegetable oil (Neem) and Malyphos. In summer, where there is a significant number of aphids on the leaves and after a controlled time, we determine the mortality rates of this parasite in order to obtain the mortality as a function of time and of the dose of the synthetic product and of this oil. The comparison of the mortality of the aphids between the Malyphos and the vegetable oil made it possible to highlight the role of these natural extracts on the limitation of the losses of agriculture caused by these parasites. Then the possible use of Neem oil as a natural to replace this chemical product (Malyphos) without any side effect on human health and the environment. Copy Right, IJAR, 2016,. All rights reserved.