1、 Seeding method

Its seeds are very hard, so they should be treated before planting. After selecting the fuller seed, put it into concentrated sulfuric acid, soak it for about 5-30 minutes, and then rinse it with clean water. Prepare a clean substrate, disinfect before planting, sow the seeds, maintain the germination temperature at about 25-35 degrees, and wait for 3-5 days to germinate

2、 Grafting method

This breeding method is best carried out in spring. If there is a greenhouse, it can be carried out all year round. Prepare scions and rootstocks in advance, which can be connected by leaning, splitting and cutting. The width of scion and rootstock shall be the same, the lower end shall be cut into a wedge shape, the top tip shall be cut off with a knife, split from the middle position, and then the wedge-shaped scion shall be inserted. Finally, use a plastic bag to tie it up and put it in the semi shade of the room

3、 Cutting method

Using the method of cutting propagation, it is best to carry out it from May to June. If you want to carry out it in winter, you should choose it in the greenhouse. Cut a 10-12cm branch from the mother plant in good growth condition, remove all the leaves at the bottom, and only keep 1-2 leaves at the top. Prepare clean cutting soil in advance, insert the treated branches, spray some water every day and wait for rooting