How to propagate elm trees? Can they be propagated by seeds?

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Potted elm trees can be propagated by cuttings and grafting. Cuttings can be made in spring or autumn. Just graft the branches into 15-20 cm long cuttings. Grafting is carried out in mid-March when the weather is fine. The scion should be about 5cm with 2-3 full buds left. It should be inserted between the cortex and xylem and then wrapped tightly. It can be propagated by seeds. It is best to choose the seeds of a strong mother tree that is 15-30 years old. When its color changes to yellow-white, it can be harvested and sown.

1. How to propagate

1. Propagation by cuttings: You can choose to take cuttings after the leaves fall in autumn or before budding in spring. Before cutting, you need to apply base fertilizer to disinfect the soil and improve the survival rate. Cuttings in autumn should be harvested, cut and inserted. Cuttings taken in spring can be stored in winter or harvested and inserted. It is best to use branches above 0.5cm and graft them into 15-20cm long cuttings. The upper part should be cut flat, and the lower part should be cut into a horse-ear shape near the bud eye, which will help the cuttings take root faster. When cutting, the row spacing should be 30cm, and the plant spacing should be 20cm. The scions should be slightly exposed to the ground, and then the soil should be covered firmly and then filled with water.

2. Grafting propagation: Germination in mid-March with sunny weather When cutting, cut off the rootstock at a smooth part of about 2m, leaving a scion of about 5cm with 2-3 full buds. Cut the bottom end of the scion into a horse ear shape, then insert it vertically between the cortex and xylem, and then wrap it tightly with plastic tape. Do not leave any air.

2. Can seeds be used to propagate

< p>Can be propagated by seeds. Seeds from strong mother trees that are 15-30 years old can be used. They can be harvested when the seeds turn yellow-white. When propagating from seeds, choose sandy soil with a water source, good drainage, and a thick soil layer for the nursery. The soil should be prepared carefully, sufficient base fertilizer should be applied, and sufficient water should be poured into the soil after shallow plowing before sowing. The sowing method can be border sowing or ridge sowing. Then in mid-April, sow the seeds promptly after drying them in a cool place or on a cloudy day. When sowing, it is best to space the rows at about 30cm apart, and then cover them with about 1cm of soil and compact them firmly.

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