How to top and topping periwinkle
1. Catharanthus topping
Generally, the correct operation steps are to look from the top down, starting from the first axillary bud, and then use sterilized scissors to cut its leaves directly. If you use hand pinching, try to make its incision relatively flat, otherwise it will grow later. However, after topping, the periwinkle needs to be moved to a cool place to dry its cut. After recovery, it can be maintained and grown normally.
2. Topping frequency Catharanthus roseus topping is generally reserved for 3 to 4 branches of the branches, and then cut off the upper branches. After the new branches grow out, perform the topping again, and then repeat it again, that is, It is said that Catharanthus roseus generally has to be topped at least three times since its growth, and the number of times should not be too much.
3. Later management After the topping of Catharanthus roseus, in addition to moving to a cool place to dry the incision, during this period, it should not be exposed to rain or high temperature exposure. After the incision has recovered naturally, we can provide it with sufficient Light, proper temperature, and normal watering and fertilization are all you need. The main purpose of topping periwinkle is to cut off the top of the main stem and leaves. Normally, after topping and topping of the periwinkle, the main stem can be effectively controlled to continue to grow, so as to grow more branches. Its side buds can produce more beautiful flowers, and the flowering time may be delayed after topping the periwinkle.
4. Topping and topping. Topping and topping need to be determined according to the plant size. When the periwinkle grows between 7 cm and 10 cm and has 4 to 5 true leaves in diameter, we can topp the periwinkle, along with the whole plant of the periwinkle. It grows and expands. In the later stage, it needs to be topped and topped. The second topping time is about 20 days after the first topping. When the periwinkle's side branches grow 4~5 leaves, topping and topping of the periwinkle .
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