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A crude plant extract that was toxic to spider mites in a leaf dip bioassay was subjected to detailed chemical analysis using chromatographic and spectroscopic techniques, The analyses revealed that the major active chemical was probably fl-sitosterol-3-glucostdc, a known phytosterol. The literature indicates that this chemical has been identified in a number of plant species and that it has been tested for utility in a number of medical therapies. It has not so far been assayed for the control of arthropod posts, the data indicate that this compound may be of use in the control of pest species, especially spider mites.



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How to Cite
Thacker, J. (1999). Identification of a Plant Phytosterol with Toxicity against Arthropod Pests. Journal of Agricultural and Marine Sciences [JAMS], 4(2), 13–17.