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Table 3 Effect of insecticides and spraying regimes on mean maize foliar damage in 2020 season

From: Assessment of the optimal frequency of insecticide sprays required to manage fall armyworm (Spodoptera frugiperda J.E Smith) in maize (Zea mays L.) in northern Ghana

Variable

Foliar damage

Insecticides

 Emastar 112 EC

2.92 ± 0.33 b

 Eradicaot

4.55 ± 0.23 a

 NSO

4.07 ± 0.30 a

 P-value

< 0.001

Spraying regimes

 Untreated control

5.45 ± 0.26 a

 Once

4.53 ± 0.34 b

 Twice

3.37 ± 0.35 c

 Thrice

3.19 ± 0.31 cd

 Four times

2.69 ± 0.31 d

 P-value

< 0.001

  1. Means in a column that are followed by different letters are significantly different at 5% probability threshold; NSO: neem seed oil