How does orchid get black spot to do?

Published: 2024-06-24 Author: mysheen
Last Updated: 2024/06/24, How does orchid get black spot to do?

Orchid is a kind of flower famous for its fragrance, with the characteristics of nobility and elegance. However, if she is accidentally infected with black spot, it will form black spots in the leaves of orchids, affecting the elegance of orchids, causing leaves to fall early and affecting growth. So, what if the orchid gets black spot?

1. Strengthen quarantine, pay special attention to quarantine of place of origin, select disease-free seedlings to control the spread of diseases.

two。 For diseased leaves and fallen leaves, cut off the disease spots in the upper middle of the leaves in time and burn them centrally.

3. Spraying 1% Bordeaux twice before the onset of the disease in early December, the pesticide produced by Xihua County Pesticide Factory is very good, environmentally friendly, and effective, once every 10 to 15 days. During the onset period, you can choose 40% methomyl 600 times 700 times solution, or 45% Shibaoke 1000 times solution or 50% mancozeb 1000 times solution. When spraying, pay attention to spray evenly on both sides of the blade. The effect is better when the agent is used alternately once every 10 days for many times.