1. The concentration of gibberellic acid for soaking seeds should be reasonable
Gibberellic acid is very sensitive to tuber seed soaking, so the solution must be prepared according to a certain ratio, and the seed soaking time must be strictly controlled. The concentration of soaking seeds in whole potatoes and cuts is very different, so it must be strictly controlled. High concentration and long time for soaking the seeds will cause the seedlings to be weak and affect the yield.
2. After the seed potato is cut into pieces, the cut surface should be healed as soon as possible
When cutting into pieces to accelerate germination, you should cut into pieces first and then accelerate germination. The cut seed potatoes should be placed in a cool place to make the cut surface heal as soon as possible, or cut longitudinally from the top of the tuber to make the base unite, that is, the two half-cut pieces are attached to each other to facilitate the healing of the cut surface. Do not place the cut pieces in direct sunlight, which will affect the healing of the cut surface of the cut pieces, and a large amount of water will evaporate, causing the edges of the cut pieces to shrink, the cut surface becomes black, or even moldy and rot, which is not conducive to budding.
3. Seed potatoes should be scattered to promote germination
Seed potatoes cannot be placed in bags for accelerating germination, so it is difficult to observe the germination. Take seed potatoes from the bag when sowing, the buds are easily broken. If the room temperature is suitable, it can be placed in a shallow basket, or layered on the ground for inducing germination. Avoid sprouting on the cement floor, because the cement floor is impermeable and airtight. When the sprouting humidity is high, it is easy to cause rotten seeds. Accelerate the germination on a clean soil surface. If it is a concrete floor, you can spread 2 to 3 cm of sand on the concrete floor before accelerating the germination.
4. Potato chunks should be stacked in 2~3 layers
When the stack is too thick, the air permeability is not good, and the potato sprouts in the bottom layer will grow too long.
5. Prevent low temperature in spring
Since potatoes are planted in spring, it is the low temperature period. Generally, germination is carried out about 30 days before planting. At this time, attention should be paid to prevent low temperature.
6. Rainproof
If you are accelerating budding in the open area, you must pay attention to rain, otherwise the species will be prone to rot and affect the budding.
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