BIOLOGICAL EFFECT OF LEAF EXTRACTS OF PIPER AND TOMATO PLANT ON LARVAE AND ADULTS OF COLORADO POTATO BEETLE (Leptinotarsa decemlineata Say)
The results of studying the biological effect of water and coholic leaf extracts of piper and tomato plant on larvae and adults of Colorado potato beetle showed a COASTER superior and significant effect of water leaf extract of piper on mean percentage of larvae mortality which reached 73.33% at 8% concentration, while water leaf extract of tomato