Strawberry "snake eye disease" mainly damages the leaves, causing lesions on the old leaves, and also infects petiole, pedicel, calyx, stolon and Fruit stems. Mild morbidity began before flowering and berry harvest occurred in large quantities.
Symptoms
The leaves suffered small purple-red spots and later gradually expanded into round lesions with a diameter of 3-5 mm. The central area was brown, then turned gray, with purple-red edges, and slightly round rims, resembling snakeseyes. When the lesions occur for a long time, they often grow into large spots until the leaves die.
Chemical control
At the beginning of the attack, spray 200 times more Bordeaux mixture, or Mancozeb 500 times, or 30% Supremone 400 times, or 14% Sulphur Bromide 300 times, or 77%. WP 500 times, or 75% chlorothalonil wettable powder 500 times, or 70% thiophanate-methyl wettable powder 1000 times, or 50% carbendazim 1000 times, etc., sprayed every 10 days 1 time, 2 or 3 times in total. Stop spraying before 10 days before harvesting.
Symptoms
The leaves suffered small purple-red spots and later gradually expanded into round lesions with a diameter of 3-5 mm. The central area was brown, then turned gray, with purple-red edges, and slightly round rims, resembling snakeseyes. When the lesions occur for a long time, they often grow into large spots until the leaves die.
Chemical control
At the beginning of the attack, spray 200 times more Bordeaux mixture, or Mancozeb 500 times, or 30% Supremone 400 times, or 14% Sulphur Bromide 300 times, or 77%. WP 500 times, or 75% chlorothalonil wettable powder 500 times, or 70% thiophanate-methyl wettable powder 1000 times, or 50% carbendazim 1000 times, etc., sprayed every 10 days 1 time, 2 or 3 times in total. Stop spraying before 10 days before harvesting.
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