Bioefficacy Performance of Neem-based Formulation on Wood Protection and Soil Barrier against Subterranean Termite, Coptotermes Gestroi Wasmann (Isoptera: Rhinotermitidae)
2013
Himmi, S Khoirul | Tarmadi, Didi | Ismayati, Maya | Yusuf, Sulaeman
Wood treatment and soil barrier are very important applications to protect structures and its component from termite infestation. The rising interest on the new environmentally safe termicide to replace Persistent Organic Pollutants (POPs) has increased attention toward plant species with reliable insecticidal activity. Bioactive compounds isolated from Neem (Azadirachta indica A. Juss) have been reported to have biological activities against insect such as food deterrent, oviposition and growth inhibitor, and also contact poison. The efficacy performance of Defatted Neem Oil (DNO) formulation has been thoroughly conducted on wood protection and soil barrier test against subterranean termite, Coptotermes gestroi. The formulation product consists of DNO as active ingredient and other inert ingredients which help to deliver the active ingredients on controlling the target pest, and enhance the utility of the product. The result of wood treatment and soil barrier test indicated that azadirachtin fraction (91% purity) has lower efficacy level compared to the DNO-formulation. The DNO-formulation showed efficacy level of wood protection and soil barrier can be achieved at 7,5% (v/v).
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