Introduction of potted plants in northern citrus reticulata citrus reticulata is evergreen all year round, with dense branches and leaves, neat trees, fragrant flowers in spring and beautiful yellow and yellow-green fruits in autumn and winter. Orange trees like warm and humid climate, and their cold tolerance is slightly stronger than grapefruit, lime and sweet orange.
Cultivation method of potted citrus reticulata in the north 1. Soil: loose sandy soil rich in humus should be used to raise orange trees, and some organic fertilizer can be applied appropriately in the soil.
2, lighting: it likes the sun, it is best to put it in a sunny place, you can put it on the balcony for breeding, if it is kept indoors, it is often moved outdoors to receive proper sunlight.
3. Fertilization: Nitrogen fertilizer can be applied when the orange tree is still in the seedling stage, and it should be applied thinly and diligently at ordinary times.
How can potted plants in northern citrus reticulata be raised and fed 1. According to the size of citrus reticulata, choose a round flowerpot with proper size and good air permeability and water permeability.
2. The soil for kumquat cultivation is neutral. Oranges like fertilizers, and decomposed liquid fertilizers should be applied once before plants germinate.
How long should potted orange trees in the north be watered at home? Usually, the amount of water should not be too large, as long as the soil is wet. Water is usually poured once in summer. If the weather is dry, you can water it once in the morning and evening, only once a day in spring and autumn, and once every 3-4 days in winter.
The pruning modeling method of potted citrus reticulata in the north How to prune the growing citrus reticulata is mainly for topping and height control. During the growing period, the branches and leaves of orange trees develop very fast. After the tall branches grow out, the top should be removed directly with a sterilized sharp pruning knife. You don't need too many buds, and you can cut off the uncomfortable and stunted buds.
During the blooming period of flowers, pruning dense buds will make room for the blooming of flowers, save nutrients and ensure the ornamental of flowers. Prune branches without long fruit in fruit period. This branch does not mean that the nutrient conversion rate is not high, and it can only consume nutrients in vain.
Pruning orange trees can not only make the trees produce beautiful and bright flowers, but also produce big and sweet fruits, and keep them beautiful and improve their ornamental value. Trim branches and leaves that are too long and too dense, cut them short or thin. If the leaves are too dense and block the internal space, a proper amount of leaves should be removed.
Matters needing attention in the maintenance of potted citrus reticulata in the north: After the first pruning, the orange trees should be applied with decomposed organic fertilizer. In order to control the rapid growth of nutrition and promote the differentiation of flower buds, when the upper tender leaves are slightly wilting, the watering amount should be properly controlled.
Potted citrus reticulata in the north to prevent yellow leaf citrus reticulata from growing in humid environment. If the water is insufficient for a long time, it is easy to turn the leaves of orange trees yellow. What if the leaves of the orange tree turn yellow? At this time, I will water the soil first, spray the branches and leaves with water mist 2-3 times a day to keep the leaves moist, and then gradually increase the watering times.
In order to make orange trees grow healthily, it is necessary to give them sufficient nutritional environment during the growing period. If they are malnourished, the leaves of orange trees will turn yellow. At this time, we can increase the number of fertilization, supplement the missing trace elements in a targeted manner, and choose compound fertilizer when fertilizing at ordinary times, which can make the nutrition of orange trees more comprehensive.
High temperature and strong light can easily accelerate the evaporation of water, and long-term strong light irradiation can also easily turn orange leaves yellow. At noon in summer, it is best to shade the orange trees with awnings, or directly move the plants to a cool and ventilated place indoors to prevent the scorching sun from burning the plants.
How to avoid rotten roots of potted orange trees in northern China? The soil should not be too wet to avoid root rot. When root rot occurs in citrus trees, if the root rot is not very serious, rescue measures should be taken in time. Clean up the root system after lifting the pot, trim off the rotten root with scissors, disinfect it with poly-myocyte solution, and then put it in a ventilated place to dry.
How to Control Pests and Diseases in Potted citrus reticulata in North China? Common diseases and insect pests of citrus trees include anthracnose, red spider, scale insect and so on. After discovery, it is necessary to spray drugs for prevention, pay attention to prevention at ordinary times, apply fertilizer reasonably, enhance the disease resistance of plants, and properly ventilate.