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Some Experiences in Seedling Transplanting of Jellyfish
Jellyfish Snow Lotus, a perennial herb of the Asteraceae, is one of the important varieties of Chinese herbal medicines, and is also a popular flower variety. The cultivation of jellyfish and snow lotus is the most important step. To reduce errors and improve the emergence rate and survival rate, our experience is summarized below for reference. First, choose the species: To select the grain full, brown, black, a large and shiny fresh seeds. When biting with fresh teeth, it feels oily and bitter. Second, the seed treatment: with 50% carbendazim or 50% capsaicin seed dressing, the amount of 0.3% of the seed, the purpose is to seed sterilization, prevention of damping-off disease and other seedling disease. Third, the choice of culture soil: Nursery culture soil should be composed of the majority of small particles, to loose, fertile, breathable, drainage and good water retention of sand, and the pH value of 6.5-7.5 is more ideal. 4. Seedbed soil treatment: The seedbed soil should be clean and sterile to prevent the seedlings from being attacked by bacteria. Generally, the per square meter seedbed is filled with 10% formalin and 50 grams of water plus 10 liters of water, and then covered with a plastic film for 3-4 days. After 7-8 days, the liquid can be sown. Fifth, the sowing method: Saussurea seedlings use sowing, two seeds per hole point, the seed must be flat in the hole, not stand or fall seed, so as not to affect the emergence rate. Sixth, the depth of sowing: the cover soil is too thick, the seed can not top soil seedling; cover soil is too shallow, the seedlings can not be shelled and uncovered, affecting normal growth. The cover soil thickness should be the same as the seed length and lightly compacted. Finally, a layer of soft grass is applied to help keep the soil moist and prevent the surface of the seedbed from being damaged when watering. VII. Control of soil temperature during nursery period: During the breeding of snow lotus, the soil temperature should be controlled at 18-25°C, and generally it should be 6-7 days. After the seedlings are unearthed, the temperature of the soil is gradually reduced to prevent the seedlings from growing in length. VIII. Seedbed moisture control; seedling seedbed soil moisture when there is less, affect the seed germination, water shortage for too long will reduce the seed germination rate. When the humidity is too high, the exchange of seed gas is affected, and a long-term, high-humidity environment can easily cause bad seeds. The seedbed moisture should be controlled in time to keep the soil moist to facilitate emergence. 9. Magnetized water during nursery period: Magnetizing water during nursery period can promote the germination and growth of snow lotus seeds, reaching Miao Qi Miao Zhuang, and can improve disease resistance. 10. Aspirin is used to increase the survival rate of transplanted seedlings: Aspirin can accelerate the metabolism of seedlings, nutrient transport, and stomatal closure of leaves, which helps to reduce the loss of water in seedlings and also has bactericidal and antiseptic effects on the roots. When the snowdrop seedlings are transplanted and colonized, watering with 0.05% aspirin solution can not only improve the survival rate, but also shorten the seedling-releasing period. Transplanting should be carried out on cloudy or rainy days; in sunny days, light-proof measures should be taken for transplanting.