Jasmine is a traditional aromatic flower, is a genus of genus Jasmine, its summer and autumn management should pay attention to the following points. 1. Cultivated and weeded plants should be cultivated and weeded regularly to create a loose, air-permeable environment for the jasmine root system to prevent nutrient dispersion and promote root growth. A total of 6 to 8 times of cultivating and weeding are carried out throughout the year. Second, a reasonable water jasmine summer water transpiration, the soil should always be kept moist. The field water holding capacity during the flowering period should be maintained at 60-80%. Watering in the morning and evening in the summer and watering in the autumn morning can also use sprayers to spray jasmine on hot days. Soil compaction occurs after watering, and cultivating tillage should be performed. After entering the rainy season, it is necessary to prevent water from picking roots and affect the growth of jasmine. Third, scientific fertilization When jasmine sprouts shoots, 50% of thin human fecal urine is applied per acre and 4 kg of urea are added. After summer pruning, combine organic fertilizer 500 to 1000 kg, urea 15 to 20 kg, superphosphate 35 to 50 kg, and compound fertilizer 25 kg per acre. The second summer fertilization is in mid-July, applying 10 kg of urea per mu, 25 kg of superphosphate, and 10 kg of compound fertilizer. Buds use 50 grams of potassium dihydrogen phosphate per acre, 150 grams of urea and 40 kilograms of water, spraying foliar spray, spray usually 10 to 15 days. After the white dew, the flowering period has basically ended and fertilization can be stopped. Fertilization must be deepened and can not be applied. Fourth, pruning Jasmine seedlings transplanted after transplanting, to carry out sparse leaves, cultivate high-yield tree type, cut away dead branches, pests and branches, leggy branches, rattan whip branches and so on. The trimming work must be completed before the jasmine sprouts, and the cut branches are burned. For older plants older than 6 years, there will be a flower bud after the beginning of summer. This time there are few buds, small flowers and poor quality. In order to prevent consuming nutrients, buds and shoots should be removed. In the flowering period, a short cut is required after each inflorescence is picked. V. Disease and Insect Control The diseases of jasmine mainly include white peony disease and dead branches disease. After the discovery, the diseased plant should be removed and chlorinated nitrobenzene must be applied in a timely manner. It can also be irrigated with 40% sclerotia net or 25% scouring 500 to 800 times. Insect pests mainly include jasmine leafhoppers, scale insects, red spiders, and thrips. These pests mainly eat the leaves and buds, which can cause the leaves yellow to fall off and even twigs die. For prevention and control, 40% Dimethoate Emulsion was sprayed from 1500 to 2000 times and re-injected 7 to 10 days later. The best choice for the prevention and treatment of spider mites is spraying on sunny days from 8 to 9 pm. In addition, when pests occur, smoke can be smoked in the garden at dusk, which drives the adult eggs to lay eggs. China Agricultural Network Editor
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