Abstract
.The purpose of this project is to extract crude extract from herbs to get rid of the subterranean termite (Subterranean termites) จากหางไหล kloy and wormwood By way of cold extraction with methanol.(Subterranean termites) findings. Solvent to yield a maximum percentage of extracts from Derris kloy and wormwood, with ทำละลาย methanol, which is highest is the yam was 15.33 mortality subterranean termite (Subterranean termites) in the crude extract concentration 6.25%, 1.56%, 0.39%, 0.097% and 0.024% at the time 6 hours. Found that the crude extract by methanol, of Derris wormwood, yam, 6 concentration.25% mortality, and was 100 100 96.67 respectively. The LC_50 that 6 hours equals beautiful...... …… beautiful
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