Fig. 4From: Effects of insecticides and cultivars on panicle-feeding insect pest infestations and grain yield of sorghum (Sorghum bicolor (L.) Moench) in northern GhanaMean proportion of sorghum heads damaged by insect pests under different insecticide treatments. Note: Data are means ± standard error of means (S.E.M); NSO = Neem seed oil; Bars with different letters are significantly different at 5% probability thresholdBack to article page