Key points of overwintering cultivation and Management of potted Begonia in North China
The main points of overwintering cultivation and management of potted Begonia in North China
Begonia
Begonia bulbaria
I. Management in winter when there is no greenhouse
Temperature: 15~25℃ is most suitable for the growth of begonia, 10~15℃ and 25~30℃ growth is slow, if the temperature is 5~10℃ and 30~35℃, begonia will stop growing.
Light: winter flowering and flowering begonias, light is more than 20 thousand Lux, and rhizomatous begonias are about 10 thousand Lux.
II. Winter placement and sowing time
Placement: If there is no aluminum frame glass cabinet, a simpler method can be used, such as placing begonias in polyethylene boxes or glassware and hanging indoors, adding a spring green scene to the winter room.
Sowing time: Begonia seed germination of the optimum temperature of 20℃, flowering in winter Begonia, is in January to February will be seeded in the indoor seedlings, if the glass cabinet seedlings, you can enjoy the whole taste of the seedlings bred from seeds. Begonia is sown in this season and blooms around June, while bulbous begonias do not bloom until late June. It is better to sow in March and enjoy flowers in autumn. In addition, in order to reproduce the original begonia, or in order to improve the variety, should be planted as early as possible.
3. Transplantation of Begonia Seedlings
The suitable time for transplantation: for seeds sown in the middle of January, it takes 3 weeks for the whole bud to sprout, 1 month for the true leaf to reach 2 ~ 3 pieces, 2~3 pieces for the true leaf, and the middle to late March is the most suitable time for transplantation.
Preparation of transplanting bed: prepare 3 parts peat soil, 2 parts pearlite, 4 parts rotten leaf soil and 1 part river sand to mix well. On the transplant bed, dip bamboo chopsticks in water to tie a hole about 1 cm in length, and move the seedlings into the hole.
IV. Outdoor placement, shaping and basin replacement
When the average minimum temperature exceeds 10 ° C, begonias can be cultivated outdoors. If there is a good place for light, it can be used as a simple device to avoid soil splashing and wind protection.
After winter, the old begonia plants are trimmed after finding out the position of buds, and replaced with about 1/3 of new soil. The suitable period for soil replacement is mid-late April.
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