The waxy plum can be sowed by seeding, cutting, grafting, and ramifying.
1 sowing method. a. Autumn sowing: After the fruit matures from July to August, it will be harvested. The seeds will be taken out from the fruit tray and sown at any time. The seedlings can be grown after more than 10 days after sowing. The seedlings can grow up to 20 cm long. b. Spring sowing: Most of them are carried out in March to April (seeds are harvested and stored in the previous year). Before sowing, seeds need to be soaked in warm water of 30~40°C for 12 hours to promote germination, and then be used as bars in sandy loam soil. Plug, pouring enough water, 15 to 20 days will be able to emerge, transplant and culture 3 to 4 years can blossom.
2 ramets method. When the buds begin to germinate (from March to April), they can be carried out. Plants that are ramets should be 20-30 cm above the ground. It is best to have a truncated end at the end of the previous year so that the mother plants can accumulate more nutrients. In the ramets, the soil around the mother plant is first picked up, and a part is cut with a knife to remove the plant.
3 grafting method. Mainly by cutting, followed by the next. a. Cut: It should be carried out every year from March to April, when buds buds sprout (buds like grain size). The scion should be advanced for one month, from the 2 to 3 year raw waxberry tree, select robust annual branches and intercept the middle part of the branches. Rootstock should be selected from 4 to 5 years of raw wax seedlings or dog tooth wax as rootstock. Cutting operation: Scion length 6 ~ 7 cm, leaving 1 ~ 2 pairs of buds, the scion cut on both sides of the cortex. Slightly xylem, knife incline 3 to 4 cm long. Cut the rootstock 3-6 cm away from the ground, cut it down at 1/3 of the diameter of the rootstock, split it 4 to 5 cm, insert the scion into the rootstock, align the scion with the forming layer of the rootstock, and tie it with a plastic tape. At the beginning of the interface, apply 2 grams of prepared wet mud, then soil to the top of the scion to moisturize. b. Docking: Docking operation: The best connection is between May 6 and May 21 each year. The rootstock was placed on the side of the fine varieties of Lamei, and the branches that were basically the same in thickness were selected as the scion. The rootstocks and scion branches were trimmed with 3 to 9 cm incisions with a knife. Care should be taken with the xylem. The rootstock incision position should not be too high, the following is better than 20 cm, after the incision is cut, the rootstock wound and the scion wound match, especially the formation of layers should be close to each other, and then tied tightly with a string, The interface is moistened with wet mud and tightly packed with plastic film. The branches on the rootstock are lightly cut, but the top is not cut off so that it can continue to grow and supply scion moisture and nutrients. After 40 days, when new leaves and new shoots grow on the scion, the scion shoots can be cut from the lower part of the incision, and the branches and leaves above the root cuts are all cut off, so that it becomes an independent plant.
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Citric acid is a weak organic acid found in citrus fruits. It is a natural preservative and is also used to add an acidic (sour) taste to foods and soft drinks. In biochemistry, it is important as an intermediate in the citric acid cycle and therefore occurs in the metabolism of almost all living things. It also serves as an environmentally benign cleaning agent and acts as an antioxidant. Citric acid exists in a variety of fruits and vegetables, but it is most concentrated in lemons and limes, where it can comprise as much as 8 percent of the dry weight of the fruit.
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