Method for breeding Acer rubrum 'Autumn Fantasy' from Acer rubrum 'Autumn Blaze' cutting seedlings by bud grafting

A technology of cutting seedlings and flames, which is applied in autumn flame cutting seedlings budding breeding North American red maple autumn dream field, can solve the problems of affecting the quality of seedlings, slow reproduction, bending of seedling stems, etc. Straight and beautiful, long growth effect

Active Publication Date: 2016-06-01
HEBEI ACAD OF FORESTRY SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the height of 1-year-old cutting seedlings is difficult to reach the engineering seedling height standard, and the stem of the seedlings is prone to bending in the second year of uneven stubble, which affects the quality of seedlings, and the propagation speed is slow and the cycle is long

Method used

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Embodiment Construction

[0012] The specific implementation of the present invention will be described in conjunction with the examples.

[0013] From mid-August to early September, 1-2-year-old cuttings of autumn flames are used as rootstocks. Adopt "T" shape budding method, first cut "T" shape mouth at rootstock 3~5cm from the ground, deep to xylem, width of horizontal line is about 1cm, length of vertical line is about 3cm. Use the mid-section of the sunny and strong short branches of autumn dreams to fill the buds, cut off the leaves, keep the petioles, lift the branches upside down by hand, and use a knife to cut upwards at an angle of 20° to 30° at about 1.5cm below the buds. The cut surface should be smooth, reaching the xylem as deep as the bud, and stop at about 1cm above the bud, and then cut across the bud along with the xylem to remove the bud. It is 1.5-2cm long and has a 1cm long petiole for budding. When cutting the bud slices, protect the bud pad and bring a small amount of xylem, rem...

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Abstract

The invention belongs to the technical field of plant breeding and particularly relates to a method for breeding Acer rubrum 'Autumn Fantasy' from Acer rubrum 'Autumn Blaze' cutting seedlings by bud grafting. The method includes: from mid-August to early September, using the 1-2-year-old Acer rubrum 'Autumn Blaze' cutting seedlings as rootstocks, selecting plump buds, with 1cm of long petioles, of middle segments of robust short shoots, exposed to the sun, of the current-year Acer rubrum 'Autumn Fantasy' as grafted buds; cutting the grafted buds to be in the shape of a shield and adopting a 'T'-shaped bud grafting method. The method for breeding the Acer rubrum 'Autumn Fantasy' from the Acer rubrum 'Autumn Blaze' cutting seedlings by bud grafting has the advantages that the method is simple and easy to implement and high in rootstock scion affinity, and the grafted buds do not germinate in the year of grafting, germinate and grow fast in next spring, grow robustly and are long in growth period; in the current year, coppice shoot growing height and diameter are more than 2cm, seedling trunks are straight from top to bottom and attractive, and nursery stock landscape character is good; the problem that seedling trunks are easy to bend due to uneven stumps of the seedlings when the Acer rubrum 'Autumn Fantasy' is bred by a cutting method originally is solved, the method is particularly used for landscape trees few in breeding materials and hard to get in market, production value and benefit are increased substantially, large-scale popularization is benefited and market demand is met.

Description

technical field [0001] The invention belongs to the technical field of plant breeding, in particular to a method for budding and breeding North American red maple Autumn Dream by using autumn flame cutting seedlings. Background technique [0002] Both Autumn Flame and Autumn Dream are freeman maple varieties of North American Red Maple series, and they are improved horticultural varieties of North American Red Maple. The growth rate of Autumn Dream is obviously faster than that of Autumn Flame, and it has high ornamental value. It is an excellent landscape tree species with colorful leaves. The introduction time of Autumn Flame is longer, and the cutting seedlings are easy to obtain. [0003] At present, the propagation method of Autumn Dream is cutting and raising seedlings, which has the advantage of inheriting the traits of the female parent very well. The disadvantage is that the height of one-year-old cutting seedlings is difficult to reach the engineering seedling he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G1/00
CPCA01G17/005A01G22/00
Inventor 储博彦赵玉芬尹新彦李金霞张全锋杨海菊闫继峰张丽荣李海军袁媛
Owner HEBEI ACAD OF FORESTRY SCI
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