How to prune the Chinese wingnut tree? Learn the correct pruning method

The Chinese wingnut (Pterocarya stenoptera) is a deciduous tree, mainly distributed south of the Yellow River basin, from eastern Shandong in the east, to southern Gansu and below 1500 m altitude in Shaanxi in the northwest, to Hubei and below 1000 m altitude in Sichuan in the west, to Yunnan and Guizhou in the southwest, and to Guangdong and Guangxi in the south. It is commonly used as a street tree. So, what is the pruning method for the Chinese wingnut?

1. What is the pruning method for the Chinese wingnut?

The Chinese wingnut has a very strong branching ability, so during the growing season the plant needs to be pinched back to maintain a perfect shape. When planted as a street tree or shade tree, care should be taken to remove the side branches. The pruning time should avoid the early spring season when bleeding is severe; generally, pruning is done in winter before the sap flows, or after the leaves have expanded in May. After pruning, dormant buds on the trunk tend to sprout easily, so they should be removed as early as possible.

2. What are the main values of the Chinese wingnut?

1. Industrial uses

The wood is light and soft with a fine grain; it is used for furniture, construction, farm tools, tea chests, clogs, prosthetics, matches and other materials. The stem bark can be used as a raw material for papermaking. Bark boiled in water can be used to wash and treat skin diseases. The leaves contain salicylic acid and can kill insects and eliminate Oncomelania snails. The seeds contain about 28.8% oil. The bark can be used to extract tannin. It is one of the host trees of the lac insect.

2. Landscape uses

With its broad crown, dense branches and leaves, fast growth and well-developed root system, it is a good greening tree species for the low-lying wetlands on both banks of riverbeds. It can be used as a street tree, or planted in groups or as a single specimen on lawns and slopes, and in all cases it can form a certain landscape. In addition, with the rapid development of our country's economy and the continuous increase in people's income, more and more potted Chinese wingnut trees have entered the homes of ordinary citizens as ornamental plants.

The Chinese wingnut has a broad crown, dense branches and leaves, fast growth and a well-developed root system, making it a good greening tree species for the low-lying wetlands on both banks of riverbeds. It can be used as a street tree, or planted in groups or as a single specimen on lawns and slopes, and in all cases it can form a certain landscape.