Spring flower pot management points

Spring flower pot management points

With the spring climate picking up, potted plants gradually moved from their dormant period to their infancy, and their conservation sites moved from indoors to outside. Due to changes in physiological characteristics and living space, potted plants have different requirements for environmental conditions. Therefore, we should strengthen management from the following aspects. First, the room time should be appropriate. In early spring, flowers and trees just recovered from their dormant state. They are relatively fragile and have poor cold resistance and resistance. If the room is too early, the sudden drop in temperature may easily cause frost damage, resulting in a large number of fallen leaves, or even the death of the whole plant. In general, deciduous trees (such as pomegranate and Chinese rose) and strong cold-resistance flowers (such as waxberry and spring) should be removed outdoors at an average day-night temperature of around 15°C. Plants with poor cold-resistance (such as jasmine, sweet-scented osmanthus, and smiling plants) should be removed outdoors when the average day-night temperature is about 20°C. In order to prevent accidents, from the 7th to the 10th day before leaving the room, select the sunny day after 9:00 am to move the potted plants to the leeward sunny place, and move into the room before 4:00 pm to allow it to gradually adapt to the external environment. At the same time, it sprays flowers and leaves once a day to supplement moisture. Second, changing basins should be timely. Constrained by the volume of pots, the nutrients in pots and soils are very limited. If it is not timely change pots and soil, it is difficult to meet the demand for flowers and trees nutrients. Generally small pots are changed once every year from 1 to 2 years, and large basins are changed from 3 to 5 years. The specific time for changing pots and changing soil is that early spring flowering (such as spring, plum, and peach) should be changed from pot 1 week to 2 weeks after flowering; other flowers should be carried out before dormancy and early spring sprouting. The model of the basin should be determined according to the size of the plant and its strength. Pottery soil formula should be determined according to the biological characteristics of potted plants, hi acidic plants must be mixed with acidic soils, hi alkaline plants must be equipped with alkaline soils. In addition, most potted plants should be sandy loam rich in humus, well-drained, and highly air-permeable. Change the basin to prevent soiling. The method of changing soil is to pour the potted soil from 3 days to 5 days before changing the pot, and then use a wire or other hard object to loosen the soil around the pot, and then gently remove the flowers. After removal, remove the soil on the outer edge of the pot, the bottom soil, and the top soil. Cut the old root and fibrous root properly. When changing soil, all old soil must not be replaced. Otherwise, the growth of flowers and trees is not good. 30% of the old soil should be left and 70% of the new soil should be filled. Immediately after the change, pour water once and place it in a cool, well-ventilated place. After one week, see sunlight. Third, fertilizer and water management should be reasonable. Spring is the season for growth and development of flowers and trees, requiring more water and fertilizer. If the supply of water and fertilizers is insufficient, it will not grow. However, excessive fertilization and excessive watering can easily lead to fertilizer damage, “burning” and rot, drowning, etc. Therefore, fertilization should be appropriate. Fertilizer should be carried out according to the principle of “thinning and applying thin fertilizers and increasing them appropriately”. Generally, every 10 days to 15 days, when a sunny day is selected, a fully cooked cake fertilizer, chicken, duck manure and other liquid fertilizers are applied once. For seedlings and flowers just above the pot, fertilization should be postponed until it is normal. The watering of flowers and trees should be carried out 2 to 3 times a week, according to the principle of “see see wet, not dry, do not pour, be poured with water,” and should be selected at noon on a sunny day. The temperature of the water should not be too low. It is best to be similar to the room temperature, and the water quality should be soft water. It is the tap water that should be left for 2 to 3 days before it is used to volatilize chlorine. Fourth, plastic pruning should be appropriate. Spring is one of the best seasons for flower and tree trimming. Reasonable pruning can not only promote its strong growth, but also help its beautiful shape. Flowers and trees that bloom on the branches of the year, such as poinsettia, kumquat, Chinese rose, pomegranate, etc., should be re-cut in early spring dormancy to promote multiple new shoots and multiple flowers. For flowers that bloom on biennial branches, such as gardenia, azaleas, and winter jasmine flowers, they should generally be lightly cut, and only the dense branches, wounded branches, and diseased branches can be trimmed properly, so as not to reduce the number of flowers. For Guan Guo Hua Mu, such as kumquat, should be according to the principle of "retaining thin, except weak, stay weak and strong", the principle of a small amount of pruning, to promote the beautiful and generous plant their results and uniform distribution of branches. For rare flowers such as broad magnolia, cedar, camellia, etc., must not be trimmed too heavy, in addition to cut off the branches and branches, dead branches, according to the needs of the tree, can be properly cut off part of the impact of beautiful branches. Fifth, prevent and treat pests as soon as possible. With the increase of temperature in the spring, pests of flowers and trees have also increased. Common diseases include powdery mildew and bituminous coal diseases. Common insect pests include spider mites, aphids, and scale insects. Powdery mildew can be sprayed with 75% chlorothalonil wettable powder 500 times and 50% carbendazim wettable powder 200 times in the early stage of disease. For the bituminous coal disease, it can be used to control the lime sulfur mixture from 1 Baume degree to 3 Baume degree. For insect pests such as aphids and scale insects, 40% omethoate EC can be used to spray 1500 to 2000 times or 80% dichlorvos EC 1200 times.

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