Duying seedling breeding technology
Duying seedlings can be divided into seed breeding and cutting propagation:
1, seed breeding:
(1) The paddy fields with good drainage, good soil quality, and convenient irrigation should be selected for sowing.
(2) Seed treatment: Water immersed and pregerminated before transplanting, or accumulate in layered sand.
(3) Sowing time: Generally it can be planted before the beginning of spring.
(4) sowing method: After making a rake, sow seeds so that the seeds do not overlap is appropriate. Generally about 100 kg per mu. Can also be broadcast. After sowing, cover soil, cover to not see the seeds for the degree, not too thick. It is best to disinfect with 1000 soluble Dixon to reduce the incidence of disease. Cover the film after dripping.
(5) After the seedlings are unearthed, attention should be paid to the prevention of damping-off. Such small seedlings can be transplanted when they grow to two leaves, and the transplanting density is appropriate for 10,000 plants per acre.
2. Cuttage seedling cutting: Cuttage seedlings can be grown in the spring season, plum season and autumn season. The length of lateral branches (with terminal buds) is 15-20cm, and the two leaves are preserved. The rest of the leaves are cut off and the cutting depth is 5-7cm. Depending on the circumstances, if you look for seedlings that are directly cultivated to more than 1 meter, 12,000 plants per mu will be sufficient. If you plan to transplant after live, the density can be increased to 4-50000 strains. After squeezing, sprinkle the water (preferably sterilized) and cover the film to keep warm. If the temperature is high, cover the shady net or use a shade shed.
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