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Osmanthus cultivation and utilization
Osmanthus fragrans is an evergreen small tree, a precious ornamental aromatic plant that blooms in the fall, is fragrant, quiet, and refreshing. Osmanthus extract aromatic oils, is a valuable spice. The essences and perfuming products formulated with sweet-scented osmanthus oil, such as sweet-scented osmanthus wine, sweet-scented osmanthus sugar, sweet-scented osmanthus candied fruit, perfume, soap, etc., are well sold both at home and abroad. 1, the main varieties of sweet-scented osmanthus varieties are more, there are Jingui, silver Gui, Osmanthus, four laurel, moon and other laurel. Among them, Jin Guixiang is rich in gas, blooming, and has high ornamental and economic value. The osmanthus in the four seasons is long, with the exception of the harsh winter and summer heat, it will bloom in autumn, but the tree is short and the aroma is light. It is only suitable for planting in the garden. 2. Propagation methods Osmanthus can be planted by sowing, picking, cutting, pressing, cutting and other methods. Generally, osmanthus can be grown mainly by cutting and cutting. The rootstock that is attached to the ligustrum is ligustrum ligustrum, which can be flowered in the year immediately after the jointing. Using cutting methods can reproduce a large number of sweet-scented osmanthus seedlings, the time of choice in the upcoming sap in February. To promote rooting and prevent diseases, cuttings should be sprayed with 800-1000 times the dipterex solution one month before cutting, and then lime water should be used for disinfection 10-15 days before inserting. The cuttings should be soaked with 10 ppm naphthylacetic acid solution immediately before cutting. Bar base 8-10 hours. After the cuttings are drenched immediately, and often maintain a certain degree of humidity, shade nets can also be set up on the bedside. It takes about 2 months to take root. The second year is transplanted once, and the third year can be planted out of the garden. 3, cultivation points sweet-scented osmanthus hi dry, in addition to pay attention to watering moisturizing transplant, generally do not need irrigation, it requires good soil drainage. Usually, the big tree is planted once a year, and the young tree is pumped 2-3 times. It can be applied once a year in June, September, or December each year. The early spring budding should not be applied with heavy fertilizer. The fertilizer is preferably pig cow dung and bean cake. In the months of May to October, cultivators, loose soil, and weeds should be promptly maintained to maintain soil moisture and avoid weeding with trees. Osmanthus fragrans has developed root systems, strong fibrous roots, and strong adaptability. Transplanting is easy to survive. Generally, the cultivars are less than 20 years old and are easy to transplant and survive in the spring and autumn. 4. When harvesting and processing are in blossom in September and October, sweet-scented osmanthus shall be harvested, mixed with alum (3.5%) and compacted. After a few days, squeeze juice to maintain the weight of the original flower, and then add the same amount of sugar. Mix well with the altar, can be used for sweet-scented osmanthus buns, sweet-scented osmanthus dumplings, sweet-scented osmanthus wine and sweet-scented osmanthus candied fruit spare. The sweet-scented osmanthus can also be extracted by using petroleum ether as a solvent. The leaching solution is clarified, filtered, concentrated under normal pressure and low pressure, and finally deetherified to make osmanthus flower extract. The yield of osmanthus extract was about 0.17%. Extract the extract with ethanol repeatedly, can be obtained osmanthus pure oil, which is natural valuable spices. The osmanthus slag leached after adding osmanthus essence and sugar into osmanthus sugar can be used to prepare general foods.