Application of Zinc Chelate and Ammonium Sulphate Supplements: Increased Damage to Cotton Foliage from Beet Armyworm and Cabbage Looper

Abstract

Foliar applications of zinc as a chelate or sulphate with ammonium sulphate to plots of cotton resulted in beet armyworm infestations with leaf damage that was 2.3 to 3.1 times greater than that in control plots.