Begonia tree pruning time and method
As a classic plant for courtyard landscaping, crabapple trees are popular for their elegant flower appearance. Scientific pruning can not only maintain the appearance of the tree, but also promote flower bud differentiation and improve the plant's disease resistance. Mastering the correct pruning timing and method can allow this "flower noble concubine" to bloom with brighter vitality. When the average daily temperature is stable at 15℃ during the golden time of pruning of crabapple trees, the flow of tree sap accelerates, and the pruning wound heals quickly. It is recommended to complete this before flower buds expand, focusing on removing frostbitten branches in winter, cutting short long branches, and retaining 4-6 main branches to form a skeleton structure. Before autumn dormancy (October to November), after falling leaves and before soil freezing, light shearing is used to remove inner branches. Keep the strong branches of the current year as the mother branches that bloom in the next year, and the cutting edges are 0.5 cm away from the bud point and are at a 45° angle to avoid stagnant water and rot. The secret of crabapple tree shape pruning structural pruning (operable throughout the year) ① Prioritize cutting off dead branches, pest and disease branches and cross branches, improve ventilation and lighting ② Keep 4-6 main branches, and maintain a stratified distribution of 20-30cm spacing ③ The amount of pruning shall not exceed 30% of the total branch quantity to avoid triggering stress reactions during flowering period, regulate pruning and remove weak flower buds during bud emergence period, so as to concentrate nutrients (G-Y). Cut off the remaining flowers immediately after flowering, and keep 2-3 bud points upward from the base of the pedicel to stimulate the germination of new shoots to form the next year's branches. Tool selection and disinfection Use high branch shears to treat canopy branches, and the diameter of pruning shears is 2-4cm. Wipe the blade with 75% alcohol before and after each use to prevent the spread of bacteria. Apply Yushang ointment to large wounds to promote cortex regeneration.
Through scientific pruning and management, crabapple trees can achieve the landscape effect of "observing leaves in three seasons and appreciating flowers in one season." It is recommended to combine fertilization simultaneously, and apply phosphorus and potassium fertilizers to promote wound healing after pruning, so that the plants always maintain strong vitality.