The cultivation method of 1. woody begonia flower 1 Selection of potted soil
It is best to plant woody begonia flowers in spring every time. Choose a large and small pottery pot for it, and choose soil with loose soil, ventilation and drainage and low fertility. Humus soil, peat soil and coarse sand can be mixed according to the ratio of 5: 3: 2, and an appropriate amount of base fertilizer can be added, which can stretch the root system of begonia flower and promote its growth better.
2. Water and fertilizer
In order to know how to raise woody begonia flowers, generally speaking, the cultivation methods of woody begonia flowers are as follows. It is necessary to water and fertilize, but don't be too diligent. Water should be poured every 2 ~ 3 days in spring and autumn, and 1 ~ 2 times a day in summer. Don't water them at night. The soil is dry in winter, so water it thoroughly. Spring and autumn are the growing seasons of woody begonia flowers, so it is best to water them every 7 ~ 10.
3. Ambient temperature
When cultivating woody begonia flowers, it needs to be cultivated in a well-ventilated and sunny environment, and it needs to be cultivated in a place with astigmatism in summer. It is suitable to grow in the environment of 18 ~ 22℃, and the temperature below 15℃ is not conducive to the growth of begonia flowers, which will lead to frozen roots, so it is best to control the temperature at 65438.
4, plastic pruning
Woody begonia flowers grow fast, and many buds grow every year. You can prune the woody begonia flower once in autumn, and cut off all its dense branches, old branches and dead branches, or cut it into your favorite shape, which will increase the ornamental value of woody begonia flower, make the soil better provide nutrients, and promote the beautiful flowers of woody begonia bloom.
Second, the propagation method of woody begonia flower 1
Sowing is a common propagation method for most plants. It is best to sow woody begonia flowers in autumn every time, or sow them in spring after sand storage. First, select excellent seeds, soak them in cold water for 2-3 hours, and then spray carbendazim on the soil for disinfection. Sprinkle the treated seeds on the soil, cover with a layer of fine soil, and control the ambient temperature at 20-25℃. After rooting and sprouting, normal culture for 5-5 hours.
2, ramet propagation
Woody begonia flowers can also be propagated by ramets, which not only grows fast, but also has a high survival rate. Every spring, or after falling leaves in autumn and winter, many ramets will grow at the base of begonia flowers. These ramets can be picked, coated with plant ash or mancozeb on the wound, planted in the soil after the wound is naturally dried, placed in the shade and cultured in the sun for a week.
III. Pest control of woody begonia flowers 1, powdery mildew
Begonia flowers are prone to powdery mildew and spread quickly. At the early stage of the disease, the branches and leaves of Begonia flower will appear irregular gray-white or light brown spots, which will affect the photosynthesis of Begonia flower, reduce the ornamental value of Begonia flower and even cause the whole plant to die.
Prevention and control methods: If the branches and leaves of Begonia are found to be grayish white or light brown, the ventilation environment should be improved, sufficient sunshine should be given, the diseased branches and leaves should be cut off, and ethirimol kresoxim-methyl should be sprayed, or 80% sulfur 400 times and 72% benzothiazolyl urea 600 times for prevention and control, every other week 1 time, 2 ~ 3 times in a row.
2. Aphids
Aphids are the most common pests of begonia, which will pose a great threat to the branches and buds of begonia. It will absorb the juice from the branches and buds of Begonia, which will lead to malnutrition, deformed leaves and inability to produce beautiful flowers. The excreta secreted can also induce diseases such as sooty blotch, and eventually lead to the death of Begonia.
Prevention and control methods: There are many ways to prevent and control aphids. Pay attention to the feeding environment and strengthen management at ordinary times. Aphids can be treated manually with toothpicks, or 50% marathon emulsion 1000 times or 50% fenthion emulsion 1000 times can be sprayed to control aphids. Spray once every other week for 2 ~ 3 times continuously.
Conclusion: Through the above introduction, I believe everyone knows the cultivation methods of woody begonia flowers, as well as the propagation methods and pest control of woody begonia flowers. I hope everyone can cultivate beautiful begonia flowers in their lives.