Pots and plum blossoms are better in pottery and earthen pottery with better permeability, and purple sand basins are also available. The fertile light clay soil is the best substrate, which can be cultivated by mixing old mountain mud, pond mud and vegetable garden topsoil. When planting, bone meal and NPK compound fertilizer should be mixed in the soil as the base fertilizer. The planting should be shallow without root exposure, and deep planting is not easy to blossom. After planting, the soil should be placed in a half shade, watered once, and transferred to normal management 10 days later. In 2-3 years, the basin was turned over and the soil was changed once.
Plum blossom likes to run and is afraid of waterlogging. Water it properly. In winter and early spring, it is better to keep the basin soil slightly moist. After the flowers are all withered, water them once, not dry, not dry, and often spray water to the branches and leaves and the nearby ground in the evening. In the rainy season, water should be strictly controlled. When the old leaves are slightly curled and the shoots are slightly wilted, water should be applied. This is repeated several times to force the new shoots to stop growing, which is conducive to flower bud differentiation. In the rainy day, water should be drained to prevent waterlogging. In the sunny day, water should be applied once in the morning. In the evening, if the soil is dry, water should be applied once again to prevent excessive drying and dehydration of the leaves. After September, water should be reduced gradually. Water should be applied once in the afternoon in 1-2 days. In October, flower buds begin to sprout into flowers. Bud, leaves have fallen, water demand is not big, see dry soil and then water, basin soil is slightly dry and slightly moist.
Plum blossom is fond of fertilizer and resistant to barren. It does not apply fertilizer at flowering stage. After flower withers, it applies nitrogen, phosphorus and potassium compound fertilizer once to promote its rejuvenation. When the new shoot is 3-5cm long, it does not apply fertilizer at growth. When the new shoot is about 18cm long, it does not apply fertilizer again. In late June and early July, it sprays 0.2% potassium dihydrogen phosphate solution once respectively to promote its flower bud differentiation. At the end of autumn, after defoliation and budding, the flower bud development and opening were promoted by applying N, P and K compound fertilizer or 0.2% potassium dihydrogen phosphate solution once.
Plum blossom positive plants, should be placed in sunny and well ventilated benefits, avoid being placed in the tuyere. It is warm and cold resistant. In winter, it needs to be stimulated by low temperature to flourish. In winter, the place with the lowest temperature above - 12 ℃ does not need to enter the room for overwintering. It can be placed in the place where the wind and the sun can be avoided. If you want to open the Spring Festival, move it to a low temperature room of 5-10 ℃ 20 days before the festival, and put it in the south-west windowsill to see more sunlight. Move it to a place of 0-5 ℃ after flowering, it can open for one month, and the temperature is too high and easy to be early thanked.
Plum has strong sprouting and branching ability, and is resistant to pruning. The old trees are easy to recover. After flowering, the branches that have blossomed will be cut short, leaving only 2-3 buds at the base. The weak branches and the diseased and withered branches will be cut completely, the Cross branches and the overlapping branches will be cut off, and the over dense branches will be cut sparsely. When the new shoots grow to 20cm, the heart should be removed to control their growth and nutrition should be concentrated on flower bud differentiation. If the new shoots are too long, the flowers will be scarce. Through pruning, not only the plant shape is beautiful, but also the ventilation and light transmission are good, so it is not easy to suffer diseases and insect pests.
In the middle and last ten days of June, the plum may have anthrax. In July, the air temperature is high, the humidity is high and the ventilation is not good, and powdery mildew may occur. Pay attention to the prevention of both ventilation and light transmittance. If it is found that the diseased branches and leaves are cut and burned, and treated with tobujin or carbendazim spray. Aphids are the main pests of plum blossom, which can be killed by spraying 80% dichlorvos emulsifiable solution 1500 times or burying in the soil with Carbofuran to kill the plants with poison. It should be noted that plum blossom is allergic to phosphorus containing pesticides and should not be used. It has poor resistance to toxic gases such as sulfur dioxide. In places with serious air pollution, it grows poorly and may even die.
