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Trifolium sylvestris seedling sowing Selection of nursery: China Rare Plant Breeding Nets C. cuspidata seedlings The best choice is for deep soil, loose structure, humus-containing, well-drained soil, forestry needles or broad-leaved mixed forests, and C. cuspidata seeds. 800 seeds sown per acre 100 pounds germination rate of 90% This breeding base has been conquered the harringtonine in March has been conquered the cephalozoic seed dormant long, cutting seedling rooting and other technical problems, and select the harringtonia quality saplings. two. Land fertilization: The newly-cultivated land is fertile and can be used without fertilization. The old land must be well-grounded, usually deep-turned 20-25cm, bed height 15-20cm, width 1.2cm, unlimited length. Apply appropriate amount of decomposed basal fertilizer, and then use an appropriate amount of 1.5 kg of phosgene in phoxim per acre to eliminate underground pests and adjust soil pH. Two weeks before sowing, seedlings were sterilized with 0.3% potassium permanganate or formalin solution. Penetrate 20-30 centimeters. After pouring, seal it with plastic film. Open it after a week and sow 5 days after sowing. Drilling, on demand can be. three. Seed germination: (1) New germination sowing method: Before seed sowing, first disinfect with 1%-2% copper sulfate solution and rinse with water after 5 minutes, then use 50 degrees of liquor and 40 degrees of warm water (1: 1) soaking 20-30 minutes, remove and then soaked with 0.05% gibberellin for 24 hours, induce the production of hydrolytic enzymes, break the seed dormancy, and promote its early germination. (2) The method of burial and germination every other year: The seeds are soaked in warm water (about 45°C) for 3-4 days. When the kernels become milky white, they are disinfected with a 1%-2% copper sulfate solution, and then mixed with three times wet sand. Uniform (60% moisture fine sand) is placed in a straw bag or wooden box and placed in the underground cellar. The cellar should be selected in a high-lying, well-drained area with a pit depth of about 1.5m to prevent rodents from entering. In addition, the cellar temperature should be checked frequently. In summer, the temperature must not exceed 20°C. When the temperature of the window is high, an arbor can be set on the window or the window door can be opened to cool at night. Using this method, the seeds are generally stored in the autumn, fully buried in the second year, and the seeds are taken out in the spring of the third year, spread in the sun for 2-4 days, and sown when 20%-30% of the seed germination occurs. (3) Taxus chinensis seeds have a slower propagation (generally 2 years). The harringtonia has been conquered the technical problems of dormant seed length, cutting rooting, etc. in February and screened out high quality saplings of harringtonia. (4) Overwintering burial and germination method: This method is suitable for seeding with sowing seeds, that is, fresh seeds are removed from the seed coat in the autumn, then immersed in seeds and then mixed with sand (the method is basically the same as the method of burial every other year). 30 days, remove the seeds, place them on the leeward and spread them to the shade, spread the plastic film on the cover, and pay attention to watering to keep it moist. Arch protection seedlings: If you use flat film seeding seedlings, often check the seeds, see radicle whitening that is to cover, change the flat membrane for the arch membrane moisturizing germination. After arching film to adjust the temperature and humidity, open the shed on sunny days The two crops were cooled, changed air, and covered in the evening, and the seedlings were sprayed with water once for 3-4 days to maintain the humidity of the nursery bed at 55%-60%, and the rats should be strictly prevented from rat damage. (2) Sparse seedlings and sparse planting: the amount of seedlings used for cultivating schisandra, generally per square meter About 200 seeds, such as seeds too dense, seedlings after 3-4 leaves 1 heart, according to the spacing of 15 cm 20cm cm thin seedling transplanting.(3) weeding topdressing: to cultivator weeding 2-3 times, combined with cultivator Each time, the topdressing rate of urea is 5–10 kg per gram, potassium chloride is 3-5 kg, and it is applied to irrigated or flooded days, and it is also possible to spray 0.25% urea and potassium dihydrogen phosphate on foliar surfaces. Insect control: The harringtonine is strong in insect resistance, with less pests and diseases, and occasionally has spiders or mites. It can be sprayed and killed by pesticides such as dichlorvos and dimethoate. (5) 2 years old bed seedlings can be used to render decomposed animals. -5 times, ammonium sulfate 1-2 times, timely spraying with seedlings after spraying to avoid phytotoxicity, then applying potassium fertilizer from June to July to increase the degree of lignification of seedlings.In addition, we must strengthen field management such as weeding loose soil. C. simonii extracts 16 alkaloids and 2 lactones; evergreen shrubs, passed the State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, College of Life Sciences, Southwest Normal University, Department of Biological Sciences and Technology, Tsinghua University Room, Shanghai Jiaotong University, Plant Biotechnology Center qualified. The seedlings of C. cuspidata are 1 meter high and 100,000 lines/15 yuan, and the three-claw seeds are 3 tons of weight/45 yuan to ensure the sale of leaching buds. Welcome to visit and order; Pistacia chinensis seeds Taxus chinensis; seedlings, seedlings, nursery seedlings. 4m 1million plants/3million. Taxus cuspidata maintains a survival rate of 85% with its branches for long-term cuttings; it seeks joint venture partners nationwide and undertakes fixed-point orders for the long-term development of seedling breeding projects. Specialist is responsible for payment within 3 days of moisturizing mailing to send nursery stock transport to the railway station to deliver your fax number, we will send the bill of lading to fax you. For details please visit: http:// base address: Lingbao Yellow River Farm, Henan Province An office of the county seat of the Yellow River in the east of the county seat: No. 404, No. 404, Jianshe Road, Lingbao, Henan Province Manager: Luo Dangcheng Tel: 0398 -8893530 0398-8636368 Fax: 0398-8636188 Mobile phone mailbox; No. 103, Lingbao Agricultural Bank of Sanmenxia City No. 103 6206 1116 7618 5259 Post code: 472500
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