Spring is the best time to graft apricot trees.

The grafting time of apricot trees in spring can be chosen before the arrival of Tomb-Sweeping Day in March, before and after germination, which can promote the stable growth as soon as possible and improve the survival rate.

Branch grafting is generally used in spring. It is required to cut a knife on the strong rootstock without pests and diseases, and insert the scion into it.

Branch grafting is generally used in spring. First of all, we should choose a suitable scion, which requires strong branches in that year and no pests and diseases. Cut the fresh shoots along the branches from the top, and then pull off the epidermis on both sides.

Choose a suitable rootstock, preferably with a very smooth appearance. Cut a knife horizontally at a certain distance from the ground, not too deep, about 1.5cm, and then pry open the leather surface.

Insert the scion into it, in order to improve the possibility of survival, we should combine them closely, bind them tightly with plastic bags or wide ropes, and take them out when they are equal in length.

Precautions:

At the end of May and the beginning of June, the stems and buds were fixed, 7- 12 buds with good angles were selected, and the rest were smoothed. When the new shoots are 40 cm long, choose 2-4 key cultivation and carry out V-shaped or happy pruning. The remaining new branches are cored to promote two branches, and the branches with upright back are repeatedly cored, and too many dense branches are erased. 165438+1Spraying urea in early October promotes early defoliation.

Before the fruit expands to maturity, the new shoots should be cored many times to control the vigorous growth of the new shoots, improve the fruit setting rate and the weight of a single fruit, and smooth or twist the new shoots standing on the back to prevent the "trees growing on the trees" from deteriorating the illumination inside the crown. After the fruit is harvested and uncovered in the first half of May, the combination of internal shrinkage and thinning can adjust the growth balance of the tree and prevent the compensatory growth.

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