Project of extracts from the bark of the insecticide mahogany is history.1.) to study the extract from the bark of the mahogany 2.) to study the suitable solvent in the extraction of fruit peel of mahogany 3.) to test the efficiency of extracts obtained from the shell of the mahogany in the removal of insects
.The equipment used to do the project consisted of 1.) equipment used in the extraction of fruit peel of mahogany 2.) equipment used in testing with insect samples. By the project test with insects in this example, built during 10 November 2557 - 28 January 2558 that Princess Chulabhorn's College Nakhon Si Thammarat
.The results showed that the ant has changed. When time passes 40 minutes ants still, then wakes up again in the 3 g..Grasshopper, a change is as time passes 25 minutes grasshopper down and rise again in 2 hours, the beetle has changed. Is time 2 beetle was unconscious and rise again in 6 hours.Termites, a change is as time passes 1 hours 30 minutes termites die
show The extract from the bark of the mahogany can get rid of some insects have
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