Factors Influencing Walnut Grafting

First, the scion content of water when grafting grafting water content and grafting survival rate was positively correlated, when the scion itself water content reached 50%, graft survival rate of 100%, when the scion moisture content dropped to 35%, graft survival rate decreased significantly 40%-60%, when the scion moisture content drops below 25%, grafting can not survive.

Second, the grafting time and the temperature of the branch after the sap flow to the year when the new shoot grows to 3 cm this time is appropriate. In the summer, buds are better when new shoots grow to lignification.

Third, the grafting technique is mainly based on the method of inserting the skin, inserting the skin, and connecting the skin in the spring, and the main method is the budding in the summer. No matter which kind of grafting method is adopted, the grafting process must be mastered: the knife must be clean and sharp; the scion's noodles should be straight, smooth, and leave no frizz; the scion forming layer and the rootstock forming layer must be aligned with each other; the grafting speed is faster The interface binding should be firm, the scion should not be loosened, and it should not be displaced; the buds should be promptly wiped afterwards to strengthen the management of fertilizer and water and the prevention of pests and diseases.

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