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The use of active natural compounds derived from plants appears as an interesting alternative for pest control in stored products. In this study, the fumigant toxicity of several terpene ketones against maize weevil (Sitophilus zeamais) adults was assessed, and the effect of their combination with piperonyl butoxide (PBO), a cytochrome P450 inhibitor commonly used as synergistic agent, was investigated...
The leaf volatile constituents of Minthostachys verticillata from various phytogeographic areas of Argentina were steam distilled and analyzed by GC and GC/MS. The composition of the oil was extremely variable from one population to another, leading to the conclusion that there are several chemotypes in this species. Thymol and carvacrol, which were absent in the oils of another populations previously...
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