Herbarium introduction - Natural Resources Institute
Herbarium introduction - Natural Resources Institute
Herbarium introduction - Natural Resources Institute
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Numbber<br />
of inseects<br />
(%)<br />
100<br />
90<br />
80<br />
70<br />
60<br />
40<br />
30<br />
Effect on C. maculatus of cowpea<br />
ttreated t d with ith acetone t extracts t t of f<br />
T. vogelii chemotypes after 48 h.<br />
50 Dead<br />
20<br />
10<br />
0<br />
2% 0.20% 0.02% 2% 0.20% 0.02% AcO<br />
Chemotype 1 Chemotype 2 Control<br />
Sick insects are alive but paralysed<br />
Sick<br />
Healthy
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