Autumn management points of cherry tree

Sakura trees are taxonomically related to some of the subgenus of the genus Prunus of the family Rosaceae. As a symbol of spring, spring cherry blossom trees will change from white, light red to dark red flowers. It can be divided into single and double flap categories. Single-family flowers can produce flowering results; Cherry trees are deciduous trees. There are generally early and late cherry trees, weeping cherry trees, and Yunnan cherry trees in the country. Evening cherry trees are widely used in planting and gardening in the country, and they have made outstanding contributions to beautifying the environment.

First, prevent disease and protect leaves

Sakura leaves are susceptible to diseases such as powdery mildew, brown spot, and coal contamination. If the control is not timely, the leaves will fall off prematurely and affect the accumulation of nutrients, which will adversely affect flowering next year. A 70% thiophanate-methyl 1000-fold solution, 65% Zeoxin Zn wettable powder 500-fold solution can be used and sprayed every 15 days. Avoid using dichlorvos as much as possible to avoid causing fallen leaves. Appropriate watering and increase foliar spray fertilizer (0.3% to 0.5% urea, 0.3% potassium dihydrogen phosphate) to ensure that the leaves are complete, thick and green.

Second, the autumn base fertilizer

The basal fertilizer is generally applied in early September. At this time, the fertilizer has sufficient time to ripen and allow the tree to be absorbed and utilized before it is dormant. At this time, the root of fertilization cutting soon healed and sprouted a large number of root absorption, and improve the absorption and utilization of the tree's fertilizer. The types of fertilization are based on decomposed farmyard fertilizers, with a small amount of fertilizer. In general, each tree planted with 50 to 75 kg of composted soil should not be too deep, and 40 to 50 cm is appropriate. The saplings can be casted with furrows, and the robust trees are spread out. If a deficiency is found in the tree, a small amount of trace elements can be properly mixed.

Third, deep-turning the tree plate

Autumn cherry roots

Before the long peak arrived, combined with the application of basal fertilisers, the deep-turning of the tree disk could increase the amount of deep roots, preserve water and protect the earth, and increase the temperature of the ground. Weeds, leaves, weeds, etc. in the tree trays were cleaned up and burned in order to eliminate the overwintering worm and fungus sources.

Fourth, autumn trim

Combined with the growth status of the tree, the dense branches, cross branches, overlapping branches and diseased branches can be removed in time to improve the ventilation and light transmission of the canopy and increase the tree vigor. Sharpen the wound with a knife and apply it with a 5 degree liquid of sulfur. Then apply a protective agent such as tung oil to prevent the wound from decaying.

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