Grafting method for improving cold resistance of euonymus japonicus and rapidly forming euonymus japonicus
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A fast and capable technology, applied in the field of horticulture, can solve problems such as application limitations, and achieve the effects of rapid prototyping, expanding the scope of application, and important promotional value
Active Publication Date: 2022-01-21
石家庄市绿缘达园林工程有限公司
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However, the nature of its shrubs makes its application in landscaping subject to certain restrictions.
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Embodiment 1
[0024] A rapid prototyping grafting method for improving the cold resistance of Hokkaido boxwood, comprising the following steps:
[0025] S1: After low-temperature induction of Euonymus chinensis, select excellent single plants with strong cold resistance, drought resistance, and salt-alkali resistance from the seedlings, cut off the shoots for cutting propagation, and transplant them to the field for close planting after the cutting seedlings survive Planting; the plant spacing of dense planting is 20cm, and the row spacing is 40cm.
[0026] Two years after the cutting seedlings are planted, the ground diameter grows to 2-3cm, and the seedlings are cut off to a height of 1.0-1.4m, and then planted separately, with a planting distance of 50cm and a row spacing of 120cm;
[0027] S2: After the seedlings grow new branches, keep 3 to 4 new branches at an angle of 90 to 120 degrees, remove the excess branches, and use the new branches as rootstocks after the new branches are lign...
Embodiment 2
[0031] A rapid prototyping grafting method for improving the cold resistance of Hokkaido boxwood, comprising the following steps:
[0032] S1: After low-temperature induction of Euonymus chinensis, select excellent single plants with strong cold resistance, drought resistance, and salt-alkali resistance from the seedlings, cut off the shoots for cutting propagation, and transplant them to the field for close planting after the cutting seedlings survive Planting; the plant spacing of dense planting is 25cm, and the row spacing is 30cm.
[0033] Two years after the cutting seedlings are planted, the ground diameter grows to 2-3cm, and the seedlings are cut off to a height of 1.0-1.4m, and then planted separately, with a planting distance of 50cm and a row spacing of 120cm;
[0034] S2: After the seedlings grow new branches, keep 3 to 4 new branches at an angle of 90 to 120 degrees, remove the excess branches, and use the new branches as rootstocks after the new branches are lign...
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Abstract
The invention discloses a grafting method for improving cold resistance of euonymus japonicus and rapidly forming the euonymus japonicus, and relates to the technical field of horticulture. The method comprises the following steps: S1, rootstocks are bred in a tender branch cutting mode, and after cutting seedlings survive, the cutting seedlings are transplanted to a field for close planting and field planting; after the cutting seedlings are planted for two years, trunk cutting treatment is carried out, and then separate planting is carried out; S2, after new branches of the seedlings to be subjected to separate planting grow out, 3-4 seedlings are reserved at the included angle of 90-120 degrees, and after the new branches are lignified in the next year, the euonymus japonicus is subjected to bud grafting on the inner sides of the new branches; S3, maintenance after grafting: grafting buds grow towards the inner sides in a crossed mode to form a support structure; wherein the rootstocks in the step S1 are high-quality euonymus maackii seedlings subjected to low-temperature induction. According to the method, shrub type euonymus japonicus is changed into an arbor evergreen deciduous nursery stock, the plant height and plant type of euonymus japonicus are changed, the cold resistance of euonymus japonicus is improved, furthermore, rapid forming can be achieved, the application range of the euonymus japonicus in regions and places is widened, and the grafting method has important popularization value.
Description
technical field [0001] The invention relates to the technical field of horticulture, and more specifically relates to a rapid prototyping grafting method for improving the cold resistance of Hokkaido boxwood. Background technique [0002] Hokkaido boxwood is an evergreen broad-leaved shrub in northern my country, which is mainly used as a hedge in landscaping. Hokkaido boxwood is light-loving, relatively shade-tolerant, grows rapidly, and has a long lifespan. After autumn, the tree is full of fruits. The mature fruits crack and reveal red arils. They do not fall all winter. Clusters of red fruits are inlaid in the green leaves , highly ornamental. However, the nature of its shrubs makes its application in landscaping subject to certain restrictions. [0003] Therefore, it is an urgent problem for those skilled in the art to provide a method to expand the application range of Hokkaido boxwood in landscaping. Contents of the invention [0004] In view of this, the present...
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