Table 2 The effect of six plant extracts on Aphis fabae infesting broad bean and mean numbers and percent reduction in population at Monshaat Fadel, Al-Ayat, Giza governorate, Egypt, 2017
Treatment | % Concentration | Before | After indicated period | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Spraying (MN) | 1 week | 2 weeks | 3 weeks | Average | ||||||
MN | %R | MN | %R | MN | %R | MN | %R | |||
BU | 5.0 | 9.4 | 5.3 | 83.2 | 6.3 | 87.8 | 10.7 | 84.0 | 7.4 | 85.2 |
TP | 5.0 | 8.3 | 4.9 | 82.3 | 12.4 | 72.9 | 18.6 | 68.5 | 11.9 | 73.1 |
SHA | 5.0 | 8.1 | 4.8 | 82.0 | 12.7 | 71.5 | 15.6 | 72.9 | 11.0 | 74.5 |
PA | 5.0 | 7.8 | 5.7 | 78.2 | 14.2 | 67.0 | 16.4 | 70.5 | 12.1 | 73.9 |
PI | 5.0 | 8.8 | 6.1 | 79.3 | 15.5 | 68.0 | 17.5 | 72.1 | 13.0 | 72.3 |
ESC | 5.0 | 8.1 | 6.7 | 75.3 | 17.3 | 61.2 | 20.3 | 64.8 | 14.8 | 65.7 |
Control | 0.0 | 8.8 | 29.5 | – | 48.5 | – | 62.7 | – | 46.9 | - |
LSD | 0.8 | 1.5 | – | 3.4 | – | 3.8 | – | 4.9 | – | |