Long-dormant disease becomes most dominant foliar disease in New York onion crops

New York is the fifth largest producer of onion bulbs in the United States, producing over 110,000 metric tons from over 2,800 hectares. Most of these onions are grown on high organic matter soils, where foliar disease management is crucial to productivity and profitability. These foliar diseases include Botrytis leaf blight, purple blotch, downy mildew, and Stemphylium leaf blight.

from Phys.org - latest science and technology news stories https://ift.tt/2QAp3tV

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