Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

Impact of certain natural plant oils and chemical insecticides against tomato insect pests.

Abstract

Evaluation role of three insecticides, acetamiprid, lambada-cyhalothrin, chlorpyrifos and two natural oils, clove, bitter orange and mixture of both (1:1) in depress infestation of tomato plant by Liriomyza trifolli, Bemisia argentifolii and Tuta absoluta were carried out under semi field conditions. According to general mean of mortality, clove oil was the highest (60.5%) effect against L. trifolli followed by mix oil (48.3%), while acetamiprid had the lowest toxic effect with 39.6% of reduction. Also, data clarified that lambada and mix oil (clove and bitter orange oils 1:1) were the highest effective against eggs of B. argentifolii, both caused 85.4 and 85.3% reduction in eggs count, respectively, while acetamiprid was the lowest (50.9%). Clove gave satisfactory results against L. trifolli, B. argentifolii and T. absoluta, respectively, thereby; it was concluded that the use them for control tested insects on tomato plants.