Yunsong, also known as Yunzhu and yunpiancao, is a perennial herb mainly for potted foliage observation and important leaf cutting materials. In ancient times, Yunsong was mostly regarded as a companion for hermits. Its posture was green, elegant and poetic. It is a tree species with high ornamental value. How to breed Yunsong? What good method is there in breeding? What matters should we pay attention to when breeding Yunsong? Please read down with me with your questions!
Beautiful Yunsong Yunsong breeding methods (basic knowledge): the best breeding time: Yunsong the best breeding time in spring.
The best growth soil: Yunsong potted soil requires drainage, good ventilation, rich in organic matter, slightly acidic sandy soil, generally used rotten leaf soil mixed with yellow soil (or black mud) and sandy soil, the ratio is 6:3:1. The basin soil should not be alkaline, otherwise it will not grow well, and the Pinus yunnanensis will become yellow and fall off.
Growth humidity requirements: the most suitable growth temperature of Pinus yunnanensis is 15 ~ 25 ℃.
The best growth temperature: when it is hot and dry, water can be sprayed on the leaves to increase humidity and decrease temperature.
The best growth light: Pinus yunnanensis is a strong positive plant. The seedlings of Pinus yunnanensis which have been potted for 1-2 years should be placed in the open air at other times, except that they should be properly shaded at noon in hot summer to prevent the needles from scorching due to excessive sunlight.
The scenery of Yunsong can be very beautiful. Precautions for breeding Yunsong: apply fertilizer: Yunsong should use the method of thin fertilizer and less fertilizer, and apply fully decomposed cake fertilizer. Fertilization for mature plants should be carried out in spring and autumn. Spring fertilizer should be applied every 10 days 2-3 months before germination, with concentration of about 15% to promote germination and branch growth. The weather is hot from July to August. It is better to apply 10% fertilizer and water once every half a month. The application should be carried out in the morning and evening. September is the fastest growing stage of Pinus yunnanensis, so autumn fertilizer can be appropriately concentrated (the fertilizer concentration can be increased to about 25%), so as to promote more axillary buds and less flower buds, and at the same time, there are enough nutrients for the growth of stems and branches. Fertilization should be stopped after the end of October. In addition, fertilization also depends on the weather conditions. If it rains for a long time, it should not be fertilized immediately; if it rains for a long time, it should be watered first and fertilized after 2-3 days.
Key points of watering: Yunsong is most afraid of waterlogging, so it should be watered properly, not too much. It is necessary to spray leaf water frequently. The soil moisture should be kept between 15% and 30%, and natural water is the best. Generally, it is poured once a day in spring and autumn, twice a day in summer and once a few days in winter. At the same time, it should be controlled flexibly according to the change of weather.
Main points of pruning: Pinus yunnanensis lacks pruning in leafy branches: when the growth position of small leafy branches on the main branch is not ideal or is missing for some reason, it can be pruned in the appropriate position of the main branch to force the dormant buds to germinate. Generally, the height of cutting is the height of the sprouting of leafy branches, and the position of the prickle on the branch is the position of the sprouting of leafy branches. The larger the diameter of the branch is, the higher the germination rate of hidden buds is.
Replacement of potted soil: the potted soil of Yunsong should be changed every 3-4 years, and the time of soil replacement should be from the end of February to the beginning of April or from September to the middle of October. When changing basin, we should cut off some old roots properly and water them with water.
Key points of propagation: Pinus yunnanensis grows densely in 3-5 years and can be propagated separately. The plant selection was carried out in the spring when the pots were changed. The clustered stems and roots were divided into 2-3 clumps with a sharp knife, so that each clump contained 3-5 shoots, and then planted in the pots respectively. When transplanting, the root system should be damaged as little as possible. After transplanting, the water should be poured and placed in the semi shade. Attention should be paid to moisturizing and shading. After watering to control the appropriate, otherwise easy to cause yellow leaves.
Pest control: if the cultivation of Pinus Yunsong is not well maintained, it is easy to suffer from diseases and insect pests such as leaf blight, pine defoliation, pine borer and scale insects. If leaf blight and pine defoliation are found, the diseased leaves should be removed in time and sprayed with 800 times of 50% thiophanate methyl wettable powder; when pine tip borer and scale insects are found to damage the tip and feed on needles, 80% dichlorvos EC can be sprayed with 1000 times of water.
The experience of Yunsong bonsai culture: 1. In the process of Yunsong culture, timely turning the direction of flower pot can correct the growth shape of branches and leaves and keep the plant type unchanged.
2. In the process of cultivating Yunsong, if the basin soil is found to be dry, the soil should be changed in time, the fertilizer should be applied frequently, and some alum water should be poured in time.