Effectiveness of some botanical insecticides against Spodoptera littoralis Boisduvala (Lepidoptera: Noctudiae), Myzus persicae Sulzer (Hemiptera: Aphididae) and Tetranychus urticae Koch (Acari: Tetranychidae)
2009
Pavela, R.,Vyzkumny Ustav Rostlinne Vyroby, Prague (Czech Republic)
The objective of this study was to determine the biological efficiency of botanical insecticides obtained from Pongamia glabra, Azadirachta indica and Chrysanthemum cinerariifolium against Spodoptera littoralis, Myzus persicae and Tetranychus urticae on greenhouse plants. Three concentrations (0.5, 1.0 and 3.0%) were tested. In all the tested extracts, the highest concentration caused 100% mortality. Concerning the other two concentrations, a conclusive difference in efficiency was found. On day 12 after application, pongam oil was the most efficient against M. persicae, whereas neem oil was very efficient against T. urticae and S. littoralis.
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