Blackberry cutting propagation technology

Blackberry can be cut by cutting, layering, splitting, tissue culture and other methods. At present, hardwood cuttings and roots are mainly used to cultivate seedlings. Conditional places can also be used for tender cuttings.
1. Hard-twig cuttings are cut in winter (after deciduous in December), and the branches that are robust and free of pests and diseases are cut into 8-12cm, cuttings with 2-3 buds, sand, and before germination in early spring (about 2) Before and after mid-month) cuttings. Insert 3-5cm into the soil and insert 40-50 pieces per square meter. Insert enough water to cover the rice straw and keep the soil moist afterwards. When the management is good, the survival rate can be up to 40%-50%, and when it is high, the survival rate is above 60%. There are still a lot of roots remaining in the cuttings after the cuttings are planted, which can be used to continue seedling propagation. The specific method is to apply a small amount of organic fertilizer in the nursery in winter, turn it over once, press the fertilizer into the soil, make soil preparation in the early spring, water once during drought, and sprout a large number of root seedlings in April, every square meter. About 20 strains were left seedlings and later they were managed with the general nursery.
2. Twig cutting in mid-July to early August in the shady shed, automatic spraying conditions branch cuttings, plug the soil with peat and sand, according to 1:1 mixing, 7-10 days after plugging to root, survival rate Up to 80%-90%. One month later, he moved to the open ground and strengthened his management.

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