How to manage sweet-scented osmanthus bonsai?

How to manage sweet-scented osmanthus bonsai? If there are any problems, we should pay attention to the management methods of sweet-scented osmanthus bonsai in the farming network, which are listed in detail below for netizens' reference. Sweet-scented osmanthus bonsai location: sweet-scented osmanthus bonsai should be placed in a warm and sunny place and should be properly sheltered in summer to avoid direct light. The area to the north of the Yangtze River must be put indoors in winter, and it is safe to keep 0: 5 ℃ at room temperature. You can leave the room before and after the sting in the spring of the following year. Watering method: the pot soil of sweet-scented osmanthus trees should grasp the principle that it is not dry or irrigated, and if it is watered thoroughly. Generally, it is watered every 3-4 days in spring and autumn, once every day at high temperature in summer and every 7-10 days in winter. It must be watered in the morning and evening in summer and around noon in winter, so that the water temperature is close to the soil temperature and does not cause sudden cold and heat and damage the root system. Appropriate amount of water should be watered in autumn, and the basin soil should be prevented from getting too wet or stagnant water in the rainy season. Fertilization method: sweet-scented osmanthus bonsai is mainly for viewing flowers, and sufficient fertilizer should be provided. During shoot shooting, nitrogen fertilizer could be applied twice to promote the growth of branches and leaves, while phosphorus fertilizer was mainly applied before flower bud differentiation and flowering. Before applying fertilizer, the basin soil should be a little drier, and it is appropriate to loosen the soil so that the fertilizer can be absorbed. Water should be watered once on the second day of fertilization. If compost or stable compost is used, it must be completely rotten before use. When applying chemical fertilizer, the concentration of calcium superphosphate should not exceed 2%. The pruning method of sweet-scented osmanthus bonsai: the shaping and pruning of sweet-scented osmanthus trees should be carried out after autumn, cutting off the upper branches to balance the tree potential. The branches that are too dense should be thinned, and the diseased branches should be removed to concentrate nutrients for flowering. Plastic pruning combined with water and fertilizer management can improve the robust growth of sweet-scented osmanthus bonsai and maintain a graceful posture. Change the pot of sweet-scented osmanthus trees: the bonsai of sweet-scented osmanthus can be turned over and changed soil every 2-3 years. The new pot should be larger to facilitate the root growth of sweet-scented osmanthus. Combined with turning the basin, cut off part of the old and withered roots, use bamboo sticks to remove part of the old soil, replace it with loose and fertile new culture soil, and place rotten cake fertilizer at the bottom of the basin as the base fertilizer, the fill must be compacted, which can promote sweet-scented osmanthus blossom and luxuriant leaves. Diseases and pests of sweet-scented osmanthus bonsai need to be controlled: the common diseases of sweet-scented osmanthus are leaf spot, coal pollution, algae spot, root rot, iron deficiency and so on. 1. Leaf spot, coal pollution and algal spot can be sprayed with 0.5 Bordeaux solution or 5% carbendazim 500-1000-fold solution to prevent and cure root rot. 2, in the prevention and control of root rot, attention should be paid to keeping the soil loose and permeable and not stagnant water; if root rot is caused by fungi, the root can be irrigated with 200-300 times solution of benzoammonium. 3. The common pests of sweet-scented osmanthus are leaf wasp, whitefly, mite, white scale, yellow moth and so on. Leaf wasps, whitefly and mites can be sprayed with 40% dimethoate 1500-3000 times solution. In addition to manual brushing, the scale can be sprayed with 40% omethoate 1000 times or 40% fenitrothion 500 times solution in the first and second generation nymphs. The reason why the sweet-scented osmanthus tree does not bloom the method of making the sweet-scented osmanthus tree blossom early