Evaluating Plant Leaf Tinctures against Maize Weevils (Sitophilus zeamais Motsch.) in Stored Maize (Zea mays L.) under Laboratory Conditions

Figure 4

Effect of the different concentrations of the plant extracts at different time intervals against S. zeamais, (a) B. antidysenterica, (b) C. macrostachyus, (c) N. exaltata, and (d) C. papaya.

(a)

(b)

(c)

(d)