Which pesticide is suitable for orchid rot disease prevention and control?
Choose which pesticide is suitable for orchid rot disease control.
In the early stage of soft rot, tiny brown water stains appear on the leaves, and then expand into black moist patches, which are easy to rupture and discharge foul-smelling liquid. After that, the orchid plant will rot quickly. The disease is easy to occur in the rainy and humid season above 30 ℃. Orchid rot diseases should be skillfully treated with pesticides:
After the orchid is infected with rot, it is necessary to turn the basin and change the soil in time, cut off all the tissues of the diseased part and burn them centrally, then wash and disinfect the cut with clean water, smear sulfur powder, dry it in a cool and ventilated place, and then put it back on the basin after the incision shrinks. After putting on the basin, do not water or spray for 3 to 4 days. Use 50% thiram plus 500 times water to make a solution and spray it once. The planting environment should be ventilated and illuminated. The diseased plants after rescue should be temporarily isolated from other orchids to avoid infection. When it grows normally and is not contagious, it can be put together with other orchids.
In the early stage of soft rot, tiny brown water stains appear on the leaves, and then expand into black moist patches, which are easy to rupture and discharge foul-smelling liquid. After that, the orchid plant will rot quickly. The disease is easy to occur in the rainy and humid season above 30 ℃. Orchid rot diseases should be skillfully treated with pesticides:
After the orchid is infected with rot, it is necessary to turn the basin and change the soil in time, cut off all the tissues of the diseased part and burn them centrally, then wash and disinfect the cut with clean water, smear sulfur powder, dry it in a cool and ventilated place, and then put it back on the basin after the incision shrinks. After putting on the basin, do not water or spray for 3 to 4 days. Use 50% thiram plus 500 times water to make a solution and spray it once. The planting environment should be ventilated and illuminated. The diseased plants after rescue should be temporarily isolated from other orchids to avoid infection. When it grows normally and is not contagious, it can be put together with other orchids.
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