1. Pruning at seedling stage
When the main branch is 20 ~ 30cm long, the new cutting Prunus deltoides should be topped, the top leaves should be removed, the advantage of the top should be eliminated, and the germination of the lateral branches should be promoted.
2. Pruning in growth period
It grows vigorously in summer. It is necessary to cut off the long branches, Cross branches and disorderly branches, increase ventilation, keep the original shape and save nutrients.
3. Trimming after flower
After flowering, cut off the broken flowers, dead branches, weak branches and old branches in time. Cut off 1 /2 of the aged branches, and cut off the rest branches. Keep 2-3 buds for each branch.
Pruned branches of Prunus deltoides can be used for cutting. Next flowers teach you how to cut!
Step
1. Branch selection: select semi lignified mature branches, cut each section into 7-10CM long, and keep 3-5 leaves.
2. Soaking: mix the carbendazim diluted 500 times with the rooting powder to prepare a solution, put it into the cuttings, soak for 3-5 hours, and then dry it in a cool and ventilated place.
3. Soil preparation: humus, vermiculite and river sand can be used to prepare cutting media in the proportion of 4:4:2.
4. Cutting: bury the cuttings in the soil, 3 ~ 5cm deep, and expose the leaves. Pay attention that the distance between the cuttings should not be too close.
5. Watering: after cutting, water once to keep the soil moist, and then put the flowerpot in the airy and astigmatic place for curing, then it can take root.
1. Water
Water once a day in the morning and evening. In case of continuous rainy weather, water less. Clean up the accumulated water in time after raining to avoid rotten roots. Start to control water in September, when the leaves are drooping and the basin soil is completely dry, water it again. Do not apply fertilizer during water control.
2. Fertilization
From May to July is the peak season of growth, and diluted nitrogen fertilizer and water should be applied every 7 days or so to promote the growth of branches and leaves; after August, in order to promote flower bud breeding, rotten chicken manure should be applied every 10 days; from October to November, in the flowering period, potassium dihydrogen phosphate solution should be applied every half a month.
3. Light
Triangle Mei Xiguang, keep more than 8 hours of light every day. Summer avoid the sun, other times the sun, grow better.
4. Pest control
In summer, it is easy to infect aphids and dieback. Usually, it needs more ventilation. When it is found that it is infected with diseases and insect pests, it is necessary to cut off the diseased branches and leaves, and spray some self-made hot pepper water and tobacco water for prevention and control.
Serious diseases and insect pests, we have to spray some chemicals, you can try to kill the flowers of insects, the effect is very good.
