Suitable cultivation methods of High quality Apple

(1) main improved varieties

Precocious: Fujimu No. 1, Xingala, Shanxia.

Middle and late maturity: Marshal (10th generation), Red King, New World, New Jonagin.

Late ripening: Huixiaofu line (No. 1-3) and Yanfu line (No. 1-6).

(2) cultivation methods

The main results are as follows: 1. Short branches of Arbor rootstock are closely planted. Baleng Begonia, Xifu Begonia and Henan Begonia were selected as rootstocks to graft excellent spur type varieties. The garden density is generally 3 × 4 × 2 × 4; 3 × 5.

2. Close planting of dwarf rootstock. Dwarfing interstock: Malus balengensis was selected as the rootstock, and the interstocks were mainly M7, M26 and M9, on which excellent varieties such as tobacco rich superior line and short rich superior line were grafted. Dwarfing self-rootstock: the superior varieties grafted on self-rootstocks had good control effect, M26 and MM106 were the best, followed by M7. The excellent varieties grafted on them were generally Yanfu 1-5 or other series Arbor crown varieties.