High-quality and high-efficiency apple rootstock layering breeding method

The invention discloses a high-quality and high-efficiency apple rootstock layering breeding method. The method comprises the steps of field planting of stock plants, management of a layering period, management of fertilizer and water, harvesting method and storage method. According to the breeding method, a high-efficiency and lasting apple rootstock layering breeding nursery can be established through the breeding of more than two years. Each plant in a rootstock cutting orchard established through the method can obtain 8 to 12 self-rooted rootstock ramets, 40 to 50 self-rooted rootstock ramets can be obtained every one square meter, the self-rooted rootstock has a developed root system, the diameter of the root reaches 1cm, the height reaches 1m, and the number of root systems with the length being greater than 5cm and the diameter being greater than 2mm reaches six.