Table 1.

The response of Anopheles gambiae s.s oviposition to three different treatments of OK extracts and the OAIs of these treatments

Concentrations (ppm)	Control	Distilled water + OK	Water with debris + OK	Oviposition activity index of distilled water + OK	Oviposition activity index of water with debris + OK
2	1916	720	1203	–0.454	–0.229
12	2001	391	920	–0.673	–0.37
100	1753	91	212	–0.901	–0.784
500	1328	9	30	–0.987	–0.956
1000	1211	0	0	–1.0	–1.0