Abstract
Pearl millet downy mildew (PDM) disease was decreased by di-potassium hydrogen phosphate, 2,3,5 Tri-iodo benzoic acid, phosphorous acid (PA) and its commercially available formulations, Akomon-40 and Potphos to a variable extent, the efficacy of which was consistent both under greenhouse and field conditions. The chemicals acted as growth stimulants under laboratory conditions by improving seed germination and seedling vigour. Foliar application of PA was combined with compost added to the soil and seed with a reduced dosage of metalaxyl. This had an additive effect against PDM on pearl millet plant growth and grain yield compared with full dosage of metalaxyl.
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