Osmanthus fragrans is a genus of Hibiscus family and genus Hibiscus. It is a unique plant in China and one of the ten most famous flowers in China. Because of its veins, such as the guilty of "gui"; because of its dense material, texture, such as selection, also known as wood selection; is a kind of evergreen woody floral plant. The sweet-scented osmanthus trees are beautiful in shape, green all year round, with luxuriant branches and flowers, and small and fragrant flowers. Their simple and elegant style and elegant and elegant style are loved by people. They can be described as "Monuments to Sanqiuqiu Qunfang." Since ancient times, sweet-scented osmanthus has been used as a symbol of good fortune, friendship, and elegance. Sweet-scented osmanthus fragrance and not exposed, beautiful but not charming, elegant and noble, rich aroma, with its unique fragrance favored by the people, deeply loved by the literati of ancient literati, left a large number of gangui masterpieces, such as Li Shangyin's "Last night" Nichichi is full of cool, sweet-scented osmanthus blows off the middle of the month, Li He's "joining osmanthus falls on the moon," and sings the "Guizi fragrance flea on the middle of the month." He describes the shapes, expressions, manners, and emotions of Moon and Gui. , meditating on such verses, as if immersed in the environment, forget the outside world.
Osmanthus has a beautiful legend: Since ancient times, people talked about sweet-scented osmanthus, and often linked the osmanthus tree to the moon. It is said that there is a Moon Palace in the moon. The lonely fairy child lives in the official palace and has a tree in the palace. Upright tall osmanthus trees, trees up to 500 feet. The so-called "Tiangui in the month, since ancient times, Tianxiang" refers to the osmanthus tree. Its laurel tree, five hundred feet high, grows quickly and can't be accommodated without cutting in the palace. Thus, the Jade Emperor ordered a Xixian Wu Gang, who had learned the rules of rituals, to cut the osmanthus tree every day. However, because of its strong healing power and regenerative power, it cannot be felled with the chopping and merging. Since then, Wu Gang also had to live a long life of “Jin Feng Yu Lu with Su Yueâ€. Thousands of years have passed, and Wu Gang has always worked hard day after day. The magical laurel tree is still as vibrant as ever. Every Mid-Autumn Festival, with four fragrances, only Mid-Autumn Day, Wu just took a break from the tree. Take a rest and spend the festive season with the world. Mao Zedong's poetry, "Ask an inquiry and just tell us all, Wu Gang holds the osmanthus wine," stems from this allusion.
Cultivation methods: sweet-scented osmanthus hi warm and humid environment, but there is a certain shade-tolerant ability. Should be deep in the soil, well-drained, fertile, humus-rich acidic sandy loam soil growth, intolerance dry and early infertility, in the shallow plateau of poor soil, the growth is particularly slow, branches and leaves thin, thin leaves, yellow leaves Without flowering or rarely flowering, there are even periodic dry tops. In severe cases, the whole plant of osmanthus is dead; the average temperature in the planting area is 14-28°C, and the average temperature in July is 24-28°C. The average temperature in January is the best 0 Above °C, the humidity is extremely important for the growth and development of osmanthus. It requires an average annual temperature of 75% to 85% and an annual precipitation of about 1000 millimeters. In particular, young trees and adult trees need more water for flowering. If drought is encountered, it will affect flowering. Strong sunshine and shade are not good for their growth, and generally require 6-8 hours of light per day.
Watering: Do watering in a timely and appropriate manner, mastering “see dryness, seeing wetnessâ€, refrain from pouring, pouring with water, generally pouring water in the morning and evening in summer, pouring in water at noon in winter, mastering “two less and one moreâ€, that is, new shoots. Before the occurrence, less pouring, less rainy days, dry weather in summer and autumn need to be poured.
Fertilization: After sprouting in the spring, fully cooked thin pancake water is applied about once every 10 months to induce sprouting. After July, thin rotting chicken, duck, duck or feces water was added, or 0.5% superphosphate was added to the above fertilizer solution to promote germination and differentiation. At the beginning of September, the last application of liquid fertilizer with phosphate as the main ingredient, the sweet-scented osmanthus grows lushly, with more flowering and odor. If fertilization is insufficient, especially if there is insufficient phosphorus, there will be fewer branches, fewer flowers, and no fragrance.
Breeding: Osmanthus can be used for sowing, butt joints, cut joints, layering, cuttings and other methods of breeding, generally rely on the grafting and cutting propagation. The rootstock that is attached to the ligustrum is ligustrum ligustrum, which can be flowered in the year immediately after the jointing. A large number of sweet-scented osmanthus seedlings can be propagated using the cutting method. The time is selected in February when the sap is about to flow. In order to promote rooting and prevent diseases, the cuttings are sprayed with 800-1000 times the dipterex solution one month before cutting. - After 15 days, disinfect with lime water. Soak the base of the cutting strip with 100ppm naphthaleneacetic acid solution for 8-10 hours before inserting. Insert the crop into the soil depth of 2/3, immediately after the cutting, drench the water, and often maintain a certain humidity, but also set up shade nets on the seedbed. After about 2 months, it will take root. The second year is transplanted once, and the third year can be planted out of the garden. Potted osmanthus can be set in the summer under the sunshine of the courtyard without shading, and it can be safely wintered in the general indoor in winter.
Pruning: Usually after flowering or before sprouting in early spring budding, the trunk is too high and the tree shape is not good. It is advisable to cut the branches of the entire tip at the height of 2/3-3/4. Stimulate the main stem to sprout another new branch; for the tree trunks that are too wide and overly prosperous, the upper strong branches should be cut off and the weak branches should be kept to promote the balanced growth of the whole shoots; for those with dense branches and general growth, it is appropriate to proceed. Carefully sparsely cut, moderately left branches to promote its growth and sturdiness.
Diseases and Insect Pests and Prevention: There are many kinds of insect pests such as sun spot disease, coal smoke, anthrax, brown spot, and leaf blight, and black locust whitefly, scale insect, sweet-scented osmanthus leafhopper, aphid and many other pests. Under the conditions of poor ventilation and light transmission, the hazard is more serious.
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