Berberis rubra, also known as Berberis purpurea. It is a kind of ornamental plant with beautiful leaves, flowers and fruits. So how is Berberis rubra cultivated? Let's go and have a look!
Culture method of Berberis rubra culture method of Berberis rubra (basic knowledge): the best propagation time: cutting can be carried out in June and July; Ramet method can be used in all seasons except summer; Sowing is carried out in spring;
The best growing soil: Berberis rubra can adapt to all kinds of soil, and grow better in fertile, deep and well drained soil;
Growth humidity requirements: Berberis rubra likes cool and humid environment, and it is best to keep above 90%;
The best growth temperature: the best growth temperature is about 25 ℃;
The best growth light: Berberis rubra likes Yang but also bears Yin, not afraid of hot and high temperature.
The cultivation method of Berberis rubra
After the seedlings of Berberis rubra survive and grow new leaves, we should pay attention to observe the growth of the seedlings. If the leaves turn yellow, topdressing should be carried out in time. The root and leaf fertilizer can be applied as top dressing. The root fertilizer is mainly farmyard fertilizer, and the leaf fertilizer is sprayed with liquid fertilizer. 0.5% urea can be applied every 7-10 days. After the formation of secondary lateral roots, 0.5% urea and 0.5% potassium dihydrogen phosphate solution can be sprayed.
Watering points:
Berberis rubra has no strict requirement on water. Too wet soil at seedling stage will rot roots. In midsummer, it should be kept in half shade, and in other seasons, it should receive more light; Watering should grasp the principle of wet between dry, not without watering.
Pruning tips:
Berberis amurensis has strong sprouting and tillering ability. It can be pruned strongly when it is planted to promote new branches. Before winter or early spring, cut off the dense branches or cut off the long branches, and control the growth height after flowering to make the plant shape perfect. Fertilizer can be applied every other year, after falling leaves in autumn, ditch around the rhizosphere, apply decomposed manure or compost once, then bury the soil and pour enough frozen water. Because of its strong sprouting ability, in early spring or growing season, it is necessary to carry out thinning and short holding on the dense plant cluster, cut off the old branches and weak branches, so as to make it have more ornamental effect after sprouting new leaves.
Breeding points:
Berberis rubra is usually propagated by sowing, cutting and ramet. Sowing: Berberis amurensis is easy to bear fruit in the north, so it is often propagated by sowing. After autumn seeds are harvested, the pulp is washed and dried in the shade, and then the pit is dug in the high and dry place. The seeds and sand are stored in the pit according to the ratio of 1:3, and the seeds are sown in the spring of the next year. In this way, the seeds stored in the sand have a high germination rate and are easy to be sown successfully, and can also be sown in autumn after harvest. Cutting: hardwood cutting and softwood cutting can be used. In June and July, take semi lignified branches, cut them into 10 to 12 cm long, leave leaves at the upper end, and insert them in sand or gravel. Keep the humidity at about 90% and the temperature at about 25 ℃, and root in 20 days. In autumn, with pruning, the fully developed and robust branches are selected as cuttings, which can be transplanted out of the shed in the spring of the next year. Ramets: Berberis amurensis has strong germination ability, fast growth speed, and the plants are often clumped, which can be used for ramet propagation. The time of rameting can be carried out in all seasons except summer.
Pest control:
The most common disease of Berberis rubra is powdery mildew. The disease is spread by wind and rain, its transmission speed is very fast, and the harm is great, so once found, it should be dealt with immediately. The method is to dilute 1000 times liquid with three azolone and spray it on the leaf surface once a week for 2-3 consecutive times to control the disease basically.
The cultivation methods of Berberis rubra - the ornamental value of Berberis rubra: 1
The leaf color of Berberis amurensis is green, purple, golden and red. According to different varieties and different intensity of sunlight, it presents different colors. The new leaves of Berberis amurensis are bright red in early spring, dark red in midsummer and purple red in autumn. Berberis' gorgeous color can form a warm and cheerful atmosphere, and the color observation period is long. It has good color effect whether it is planted alone or in groups.
2. Bright fruit
Berberis is oval in shape, and has bright red and purple black according to different varieties. Red Berberis not only has bright color, but also can be covered with branches after falling leaves in winter, which enriches the color changes of Winter Gardens and has outstanding beautification effect.
3. Unique bonsai
Some of the roots of Berberis amurensis var. rubra have peculiar changes in root shape, such as bending, folding, circling, and strong roots. According to the shape characteristics of the pile, the exquisite miniature (or small) basin can be used to lift the heel, slant the plant, hang the plant, or put together to form a pleasant small beauty.