Eucommia ulmoides improved variety bud-sticking grafting method
A technique of improved seeds and grafting knives is applied in the field of bud-attached grafting of improved Eucommia seeds to achieve the effects of enriching the vegetative propagation methods of improved Eucommia seeds, promoting rapid popularization and improving the grafting survival rate.
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Embodiment 1
[0039] A method for grafting eucommia fine varieties with buds, comprising the following steps:
[0040] (1) Rootstock cultivation:
[0041] In 2018, the mature seeds of Eucommia ulmoides were collected and dried in a cool and dry place. Before the soil was frozen, the seeds were sown by the drill method with a row spacing of 25-30 cm; in the second spring, when the seedlings grew to 2-4 true leaves, the seedlings were thinned and kept. The distance between plants is 5-10cm; the rootstock can be grafted when the thickness of 5-10cm above the ground reaches 0.5cm or more. One week before grafting, the rootstock in the nursery should be watered thoroughly.
[0042] (2) Grafting time:
[0043] Autumn grafting, on August 20, 2019, grafting was carried out at the experimental base of the Economic Forest Research and Development Center of the Chinese Academy of Forestry in Yuanyang County, Xinxiang City, Henan Province.
[0044] (3) Scion collection and storage:
[0045]The natio...
Embodiment 2
[0053] A method for grafting eucommia fine varieties with buds, comprising the following steps:
[0054] (1) For the rootstock seedlings that have not been grafted in the current year in Example 1, the grafting will continue in the spring of the second year (2020), and the rootstock in the nursery will be watered thoroughly one week before grafting.
[0055] (2) Grafting time:
[0056] In the spring of 2020, grafting will be carried out when the buds begin to germinate. The grafting site is located in the experimental base of the Economic Forest Research and Development Center of the Chinese Academy of Forestry, Yuanyang County, Xinxiang City, Henan Province.
[0057] (3) Scion collection and storage:
[0058] The nationally approved eucommia cultivar 'Huazhong No. 8' was selected, and the scions were harvested 15-20 days before the buds germinated in early spring. After being bundled and marked with the variety name, they were sealed with plastic film and placed in a cold st...
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