How to treat black spot on Chinese roses
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How to treat black spot on Chinese roses
If Chinese roses are infected with black spot disease, they can be treated with DuPont Fuxing, or Zineb, Hartz Trichoderma can also be used for treatment. The occurrence of black spot disease in Chinese roses is usually caused by rain, especially in summer. If it rains, it needs to be moved to a sheltered position for maintenance in advance, or raised in a sheltered shed, and it should also be exposed to the sun more often and keep the environment ventilated to reduce the chance of getting sick.
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