How to treat bituminous coal disease of wealth-sucking trees?

1. first observe the leaves of the wealth-absorbing tree to confirm whether there are black spots or their symptoms. Check whether there are pests in the surrounding environment, such as aphids and scale insects, which are the transmission sources of bituminous coal disease.

2. Then isolate the sick money-sucking trees from their healthy plants to prevent the spread of diseases.

3. Then prune the branches and leaves near the diseased plants, remove insect droppings and diseased plant tissues, and reduce the source of the disease.

4. Next, spray the leaves and stems of the tree with WP750 times solution of 70% chlorothalonil WP or 500- 1000 times solution of carbendazim to kill germs. Spray once every 7- 10 day, and spray for 2-3 times continuously.

5. Then, keep the growth environment of the wealth-absorbing trees well ventilated, reduce the humidity and reduce the occurrence of diseases.

6. Bituminous coal disease is also related to the imbalance of nutrients in the soil, which can adjust the nutrients in the soil appropriately, increase the organic matter content and improve the soil fertility.

7. Finally, in the growing season of the wealth-absorbing trees, check the leaves and stems regularly, and handle the diseases in time when they are found. Pay attention to the prevention and control of aphids, scale insects and other pests, and reduce the spread risk of bituminous coal disease.