There are many asexual propagation methods in Eucommia ulmoides

Eucommia asexual propagation nursery is an important measure for rapid seedling emergence and cultivation of strong seedlings. According to the author's practice in recent years, the method of vegetative propagation of Eucommia ulmoides mainly includes the following types:

One is to grow roots. Excavate roots of large plants, or use thicker roots trimmed at the time of cutting, and cut into 7 to 10 cm long sections. Use a slightly thicker wood cone than the root section to make a hole in the seedbed, and then apply the root section. The lower end is inserted into the hole, and the thick end is slightly exposed on the ground. Water each day before sunrise and evening. After 40 to 60 days, new shoots were grown from the callus at the cross-section or from the root of the roots.

The second is tree shrew nursery. After harvesting, the eucommia tree pods will sprout many new branches. In spring, in April, where the twigs are next to the banyan trees, several holes are cut with a knife, and then the trees are used to cultivate them. Shougen, take transplanting roots in the coming year.

The third is the dormant branch cutting seedlings. Select one-year thick, disease-free shoots, cut in April, cut into 15 cm lengths, keep 3 to 4 small sections of lateral shoots, place the lower part in 100 ppm of abt ​​rooting powder solution, and soak for 2 hours. The wooden cone first tapers holes in the seedbed and inserts the branches until the upper flat bed surface. Then take a yin shady shed on the surface of the seedbed. Spray water once in the morning, usually 40 to 60 days to take root. Afterwards, management will be strengthened and transplanted after one year.

The fourth is the tender shoot cutting seedlings. From June to August, select the strong shoots that were born that year, cut into small sections with 3 lateral buds. Do not remove each small section of budding leaves and place in 100 ppm abt rooting powder solution and soak for 1 to 2 hours. If you use dormant branches, use the same method. Insert the seedbed and expose the upper leaves, and then take a nine-shade yoke on the surface of the seedbed. The first day of the month, water each day sooner or later. When the roots are formed, spray water gradually, but the bed must be kept moist. Twig cuttings are best done in the morning. This method has a high survival rate and quick rooting.

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