Hardwood Cutting Technique in Changshan, Haizhou
Hardwood Cutting Technique in Changshan, Haizhou 2. 1 After the soil is plowed and flattened in the cutting equipment, a small arch shed of 2. 2 m in width and 1. 2 m in height shall be constructed. The length shall be determined according to the needs. A shading net of 70% shading rate shall be placed on the small arch shed. The sandy soil or river sand is used as a matrix to establish a slotting machine, and the spray gun is used to disinfect the substrate with a 0.3% potassium permanganate solution, and the spray is even and meticulous. 2. 3 Cuttings Cuttings Cuttings Cuttings are cut from 2 to 3 pairs of buds, with a length of about 10 cm and a thickness of at least 1 cm. The cuttings on the cuttings are flush, and the first lateral buds on the cuttings remain intact. 1～1. 5 cm, cut obliquely at the lower incision and close to the bud at the lower end, and the incision is smooth and without tearing. 2. 4 Cuttings After the cuttings are cut, use 800 times 50% carbendazim solution to disinfect for 5 min. Remove and soak in 100 mg/kg ABT rooting powder, indole butyric acid, indole acetic acid, etc. for 24 h. root. 2.5 Cuttings and management Cuttings are generally conducted from late March to early April, with a spacing of 10 cm10 cm. The cuttings were inserted obliquely and the cutting depth was about 3 cm. After the cuttings, the matrix around the cuttings was compacted, so that the cuttings were in close contact with the substrate. Immediately after the end of cuttings, spray water once, moisturize and sterilize. According to the weather conditions, the shed spray cooling and moisturizing, keep the temperature 15 ~ 30 °C, relative humidity 80% ~ 100%, watered once every 5 d, to keep the substrate moist. Around 40 days, seedlings survived and field management such as brushing, cultivating, and watering was strengthened. Sterile Gauze Swabs with or without X-ray
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2. 2 After harvesting leaves in autumn in November, collect the 1-2 year old shoots with robust growth and no pests. Select high-drying digging buried burying branches, pit 1 layer 1 layer soil slender, slim 20-30 cm thick, 15 cm thick soil layer, the thickness of the upper covering is not less than the depth of the local permafrost is appropriate, but also in the spring Before germination, it is used with the mining.