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Causes and Control Methods of Gray Leaf Spot in Corn, Apple, Chinese Bayberry, Cowpea and Soybean
Gray leaf spot, also known as brown spot, speckle disease or frog-eye leaf spot, is a worldwide disease. So what are the causes and control methods of gray leaf spot in corn, apple, Chinese bayberry, cowpea and soybean? Let's take a detailed look below. Corn gray leaf spot: 1. For corn planted in early to mid-May during the sowing period