Prevention and treatment of spinach garland

The lesions of Artemisia oryzae's leaf blight usually have a round to irregular shape. The center is pale gray and the edges are brown. When the humidity is high, the black mold is on the back and the lesions in the later stages are connected to each other, causing the leaves to die. Available 70% thiophanate-methyl WP 500 times, 50% acetaminophen WP 1500 times, every 7-10 days 1, continuous control 2-3 times. Http://

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