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Disease Control and Pest Management

Reduction of Downy Mildew of Pearl Millet With Fertilizer Management. S. S. Deshmukh, Marathwada Agricultural University, Parbhani 431 401 Maharashtra, India; C. D. Mayee(2), and B. S. Kulkarni(3). (2)(3)Marathwada Agricultural University, Parbhani 431 401 Maharashtra, India. Phytopathology 68:1350-1353. Accepted for publication 30 January 1978. Copyright © 1978 The American Phytopathological Society, 3340 Pilot Knob Road, St. Paul, MN 55121. All rights reserved.. DOI: 10.1094/Phyto-68-1350.

Phosphorus (P) as superphosphate (16% P) decreased the severity of downy mildew on pearl millet in field trials. The decrease in disease was proportional to the amount of P added up to 50 kg/ha. Nitrogen (N) and Potassium (K) up to 100 kg N/ha and 50 kg K / ha, respectively, did not counteract the effect of P. The reduction in disease resulted in increased grain yield. Higher rates of N also reduced downy mildew and enhanced yield. Application of K had no effect on either the disease or yield.