Evaluating Plant Leaf Tinctures against Maize Weevils (Sitophilus zeamais Motsch.) in Stored Maize (Zea mays L.) under Laboratory Conditions
Table 5
F1 progeny of S. zeamais on seeds treated with different plant tinctures.
Plant species
Concentration (mL)
Mean ± Std (F1 progeny)
% inhibition rate
B. antidysenterica
2.5
2.00 ± 1.00
90.00c
5
1.00 ± 0.00
95.00b
7.5
0.00 ± 0.00
100.00a
C. macrostachyus
2.5
3.33 ± 1.52
83.35c
5
2.66 ± 1.52
86.70c
7.5
2.33 ± 0.57
88.35c
N. exaltata
2.5
1.33 ± 0.57
93.35b
5
1.00 ± 0.00
95.00b
7.5
2.00 ± 1.00
90.00c
C. papaya
2.5
1.33 ± 0.57
93.35b
5
1.00 ± 0.00
95.00b
7.5
1.00 ± 1.00
95.00b
Control
0
20.00 ± 0.00
0.00d
Each value is the mean ± standard deviation (Std) of three replicates. Means followed by the same letter in a column are not significantly different ( < 0.05) from the Tukey HSD test.