2. Prevent and control pests and diseases in time, protect leaves, ensure normal defoliation in autumn (after the first frost), and improve the storage nutrition level of trees.
3. Prune in summer and autumn, improve canopy illumination and promote flower bud differentiation.
4, reasonable plastic pruning in winter, adjust the amount of flowers (excluding too many buds).
5. Do a good job in flowering management (watering before flowering and spraying boron during flowering) to improve the fruit setting rate.
Extended data:
Cherry cultivated in China can be divided into four categories: China cherry, sweet cherry, sour cherry and hairy cherry, with China cherry and sweet cherry as the main cultivation objects. The adaptability of cherry trees is quite strong, almost all kinds of soil can grow, and the management technology is simple, the growth is fast, the income is early and the yield is quite high.
Cherry from China is widely distributed in China, with Liaoning in the north, Yunnan, Guizhou and Sichuan in the south and Gansu and Xinjiang in the west, but mostly in Jiangsu, Zhejiang, Shandong, Beijing and Hebei. Most plants in the cold regions of Northeast and Northwest China are Prunus tomentosa. In addition, there are three big and sweet European cherries imported from Liaoning and Yantai. But the history is relatively short, only over a hundred years.