Fragrant leaf geranium

geranium is a perenn perennity herb. Extract the fennel geranium oil from the leaves and extract the raw materials
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flavor. The plant can reach a height of 1.5 to 2 meters. The base of the stem is woody, and the whole plant has soft hair and aden hair. The leaf handle is long, the leaf heart egg is round, there are 5 to 7 palm-like deep cracking, the edge has irregular feathered tooth cracking. Umbrella flower sequence, flower stalk length, smaller flower, red or lilac, Flowering from April to May. This species originated in South Africa, where the genus plants are most widely distributed, and there are more cultivated varieties. It is mainly produced on the African island of Reunion. The Soviet Union, Morocco and Algeria were also cultivated, but mainly pink leaf geraniums. In the early 20th century, China introduced a small number of plants, as potted ornamental plants, after 1949 began to produce productive cultivation. It is mainly produced in Yunnan, Sichuan Province and Shanghai. Also introduced in small numbers are pink leaf geraniums and grape leaf-scented geraniums.leaf geraniums are warm plants and are not resistant to low temperatures. Although drought-tolerant, but the production and cultivation of higher soil moisture and air humidity. Suitable for loose, fertile and well-permeable soils. Can withstand weak alkali soil, but do not like acidic soil. When cultivating, we should choose the asexual system of fine varieties and breed by insertion. As an annual crop cultivation, generally in the last winter in the greenhouse or thermostat nursery, insert with a length of about 15 cm to develop a sound mature new tip, leaving the top leaves 1 to 2 pieces. The temperature conditions of 8 to 10 degrees C should be maintained after rooting. Planted after the frost the next year, the plant is 50 to 60 cm long.
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fertilizer and ammonium sulfate, calcium perphosphate, potassium salts, etc. are used in the long-term, and attention should be paid to the prevention and control of aphids and red spiders. Every year from June to July and mid-October can be harvested once, many can be collected 3 to 4 times. The oil yield is about 0.1 to 0.2%.the main ingredients of fennel leaf geranium oil are fennel, fennel alcohol, aromatol (scent alcohol) and benzene ethanol, etc. , can be used as a substitute for rose oil, used to modulate flavor, food, soap and toothpaste additives.