How to cure triangle maple disease

Acer triangulata, also known as Acer truncatum, is a deciduous tree with dark red or orange leaves in autumn. it is suitable for shade trees, street trees and bank protection trees. Can also be planted as a hedge, and in the planting period there will be a variety of diseases, then the triangle maple disease how to treat?

First, how to treat the disease of triangular maple?

Acer truncatum has some diseases, such as brown spot, powdery mildew, lacquer spot and so on. Generally, 1 ∶ 1 ∶ 125170 (copper sulfate ∶ quicklime ∶ water) Bordeaux solution can be sprayed 1-2 times at the initial stage of the disease. It can also spray 65% Dyson zinc 400-500 times to the crown. The occurrence of lacquer spot disease can be effectively prevented by spraying 100-200 times Bordeaux solution every 10-15 days at the beginning of May.

Second, how to raise the triangular maple?

1, on the basin: February-March every year, is the best time for triangle maple on the basin. The basin soil is loose and fertile, humus-rich rotten leaf soil. A shallow oval or rectangular glazed pottery basin is selected for basin allocation.

2. Modeling: the root system of Acer truncatum is strong and developed, which is very suitable for lifting root type or stone-attached bonsai. In the early stage of production, there should be a long period of branch storage to ensure that the branches are strong. After the branches grow to 40 centimeters long, they should be banded. At this time, the processing techniques should be mainly tied and supplemented by scissors. The branches of Acer truncatum are brittle and hard, so be careful not to break the branches. When the bonsai has basically taken shape, it is necessary to cut mainly to maintain the shape of the tree. Before and after early August, the old leaves are picked several times, which can make the leaves of Acer truncatum become smaller and the autumn leaves turn red.

3. Place: Acer truncatum likes to have enough light, so it is cultivated in the sunny place. We should pay attention to shading during the high temperature period in summer and move indoors in winter.

4. Watering: Triangle maple likes flooding, so always keep the basin soil moist. After the beginning of autumn, the leaves can be slightly dry when they turn red.

5. Fertilization: Acer truncatum grows rapidly, so it needs a large amount of fertilizer. In the spring and summer growing season, thin cake fertilizer can be applied every half a month, and appropriate phosphorus and potassium fertilizer can be added to make the autumn leaves gorgeous.

6. Turning the basin: the best time to change the basin is from February to March every spring. Acer truncatum has well-developed root system and rapid growth, and the basin can be changed once a year.