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The leaves suffered small purple-red spots and later gradually expanded into round lesions with a diameter of 3 to 5 mm. The center was brown, then turned gray, and the edges were reddish-brown with a slightly thin ring-shaped pattern, resembling a snake-eye pattern. When the lesions occur for a long time, they often grow into large spots until the leaves die.
Chemical control Spray 200 times more Bordeaux mixture or 500 times solution of mancozeb, or 30% of green deconcentrate suspension 400 times, or 14% of solution of ammonia hydrocortisone 300 times, or 77% Can kill WP 500 times, or 75% chlorothalonil wettable powder 500 times, or 70% thiophanate-methyl wettable powder 1000 times, or 50% carbendazim 1000 times, every 10 Spray 1 day, a total of 2 or 3 times. Stop spraying before 10 days before harvesting.
Strawberry guarding against snake eye disease during fruit harvest
Strawberry snake eye disease, also known as strawberry white spot disease, leaf spot disease, mainly damage the leaves, causing lesions on the old leaves, also infect the petiole, pedicel, calyx, stolons and fruit stems. Mild morbidity began before flowering and berry harvest occurred in large quantities.