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First, hardwood cuttings. During pruning in winter (after deciduous in December), the robust, disease-free shoots are cut into 8-12 cm, cuttings with 2-3 buds, sand, and before early spring (around mid-February). Cuttings. Insert 3-5 cm 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, it 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 a little, press the fertilizer into the soil, make soil preparation in the early spring, and water once during drought, and then you can germinate a large number of root seedlings in April, each square. Miliu Miao 20 or so, after the management of the same general nursery.
Second, tender shoots. In the middle of July to early August, branches and plugs are placed in shady sheds and fully-automatic sprays. Peat and sand are used to intercalate the soil and mixed by 1:1. After 7-10 days, rooting can take place. The survival rate can be as high as 80-90. %. Moved to open ground one month later and strengthened management.
Breeding of blackberry seedlings
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.