Phnom Penh how to carry out water plug and bud propagation?
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Phnom Penh's sexual reproduction is poor, and it uses multiple vegetative organs to breed. Therefore, seedlings are in short supply and expensive. The vegetative propagation of Phnom Penh in Phnom Penh can be carried out throughout the year, usually using cuttings, grafting, high branching and other methods. The following describes the water plug and bud propagation method. (1) water plug. The water plug is generally carried out in summer, when the new branches tend to mature, which is a good season for water plugging. The water cutting method has a fast rooting rate and a high survival rate (almost 100%), which can reduce the number of water sprays. The specific method is: take the branches of the year, 8-12 cm long. On the day before the cutting, it is best to cut with a knife at the branch point 1-2 mm (can not use scissors), this can speed up the healing rooting. After circumcision at the branch points, the wound was repaired and the lower half of the branches were removed. The upper part retained 3-4 leaves and the rest were cut off. Then insert it in a pre-prepared jar. Fill the bottle with about 3/4 water and add 2-3 drops of vinegar. Insert about 1/3 in the water and fix it straight. The bottle was covered with gauze. After inserting it on the indoor sill, when the amount of water decreases, add water to the original water level. After about 5 days, water is sprayed on the leaves 1-2 times, changing the water once a week, and rooting can take place within one month. Transplant the pot on time. (2) Bud insertion. The buds were inserted before the germination in the spring. The cuttings were selected from the middle of the tree crown and the upper part of the tree was full and robust. The branches were left with an upper part of the leaves. The buds and shoots should have obvious buds. The cuttings of one leaf and one bud should be preferred. When taking the ear, use a sharp knife to cut it from the upper part of the bud and cut diagonally to cut it into a horse-shaped shape. Take care not to damage the axillary bud to facilitate rooting and budding. Using Pinus sylvestris and 30% fine sand as cutting matrix, it is convenient for inserting and fixing short cuttings. It should be noted that before the cutting, the loose leaf soil and the fine sand matrix must be sun-disposed and sterilized. When the cuttings are inserted into the soil 1/2, after the insertion, tamping, slightly sprinkle water, keep moist, about 40 days can take root and survive. After the birth of a new branch, the next spring will be transplanted again.