In summer, green shoot cuttings are carried out on the shoots of grapes that are not yet lignified or semi-lignified. Cuttage seedlings can be planted after falling leaves in the fall of the year, which can greatly shorten the nursery cycle. The seedlings with green branches and cuttings have high survival rate and good quality, and they are widely used in grape seedling production.
The cutting time can be carried out from June to August. It is best to cut in the late summer. When the new shoot grows to 5 to 10 knots, semi-lignification has a certain degree of hardness and maturity when the cut is inserted.
Yellowing treatment Cutting the new shoots on the tree 3 weeks before the cutting process is wrapped with black cloth, thick paper, etc. to be yellowed, which can effectively prevent direct sunlight from green shoots to facilitate root differentiation of the roots.
The slotting machine is prepared to choose loose sandy fertile soil or light clay loam soil and build a slot for 1 to 1.2 meters wide. Seedbed requires good lighting conditions and convenient drainage and irrigation.
Cut the cuttings with a leaf cutting into 15 to 20 cm sections. Cut the cuts slightly and cut them diagonally. Cut the upper cuts 1 cm above the upper shoots. Remove the lower leaves to facilitate cuttings and soil contact. Leave 1 to the upper section. 2 leaves. To reduce transpiration, if the blades are large, the blades can be cut in half. Insert the cuttings into the whole seedbed at a 1015 cm spacing.
After inserting the plug, the water must be poured to ensure full contact with the soil. Build a shed that is 0.8 to 1 meter high, with the same width and width, and remove it after it has survived.
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