Effect of fungicide synergy on downy mildew control in onions
2000
Ahmad, S. | Khan, H. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Plant Pathology)
The synergistic effect of four different fungicides was studied on severity of onion downy mildew under natural field conditions during 1998-99. Area Under Disease Progress Curve (AUDPC) was the highest in treatment where no fungicide was applied. However, it was the lowest in Dithan M-45 + Ridomil. In this treatment bulb yield, bulb size and number of bulbs were also the highest, indicating that fungicide application reduced the disease severity and stabilized onion productivity.
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