Cultivation and maintenance of jasmine
Jasmine propagation commonly used cuttings and layering propagation. Cuttage, 4-10 months can be carried out, with the fastest summer rooting, cutting mature annual branches 10 cm long, remove the lower leaves, inserted in the sand bed, rooting after 60 days. layering, selecting longer branches, at 15 cm, it is best to gently carve the lower part of the node, bury the basin viscera filled with sand mud, often keep warm, root after 2-3 weeks, and cut off from the mother plant into seedlings after 2 months.
Cultivation watering is the key, midsummer every morning and evening watering, such as dry air, need to spray water to increase air humidity, avoid middle-aged watering. Winter growth is slow, control watering. Jasmine is tolerant of fertilizer and fertilizes once a week during its growth period. The cultivation site should be sunny enough. After changing pots in spring, they should be removed and shaped. After full bloom, it needs to be renewed by cutting and applying heavy fertilizer once.
Diseases and insect pests often occur leaf blight, dead branch disease and white silk disease, spraying with 65% zinc wettable powder 800 times solution. Insect pests have closed-leaf moth, red spider and scale insect damage, available 50% fenitrothion EC 1000 times liquid spray kill.
Jasmine leaf color application of green, white color, rich fragrance, southern multi-planting, arranged into flower beds or hedge, potted plants can be decorated balcony, windowsill and living room.
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Leaf spot of Impatiens balsamina
[alias] Fengxianhua brown spot. Leaf spot of eight Immortals is one of the common diseases on eight Immortals. Sichuan, Henan, Guangdong, Taiwan, Jilin, Shanghai, Zhejiang, Hunan and other places. [symptoms] the disease mainly occurs in leaves. The foliar spot is a light yellowish brown watery spot at first, and then expands into a circle, nearly round, with a diameter of 2 to 5 mm, up to a maximum of about 15 mm. Later, the center is light brown, the edge is dark brown, slightly raised, with inconspicuous wheel lines, and the disease produces small black spots, that is, the conidium of the pathogen. Severe susceptibility
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Key points of cultivation of jasmine
Jasmine is Oleaceae, Jasmine, alias Camellia, evergreen shrubs and flowers, which are watched in pots in the north. Single leaf opposite, oval or oval, glossy, flowers white, divided into single valve, single extremely fragrant, followed by double. Cymes are composed of 3 to 9 flowers, flowering from May to October and from July to August in summer. Ecological habits originated in India and other places, like warm and humid climate, like light, not cold, afraid of drought but also afraid of waterlogging. Like humus-rich, fertile and well-drained slightly acidic soil. The optimum temperature for growth is 1.
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