Interciencia, February 1st, 2007
SUMMARY
Several natural products present in plant extracts have been evaluated for their effectiveness as insecticides. Petiveria alliacea (Phytolaccaceae) is a perennial herb whose distribution includes tropical areas of Mexico and Central America, as well as other regions. Its properties as insecticide and acaricide have been reported. To determine the toxic effects of P. alliacea on the greenhouse whitefly Trialeurodes vaporariorum, mortality rate and [LC.sub.50] were evaluated in the laboratory and in a greenhouse hydroponic tomato crop. In the laboratory, mortality rates were 98.35% fo...
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