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Grafting breeding method for catalpa bignonioides

A technology of golden leaf catalpa and grafting interface, applied in the field of grafting and breeding of golden leaf catalpa tree, can solve the problems of low survival rate, low organic matter content and low ornamental value of golden leaf catalpa tree, and achieves the effects of high graft survival rate, bright leaves and high ornamental value.

Inactive Publication Date: 2017-08-18
WUHU OUBIAO AGRI DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, due to the imperfection of golden leaf catalpa cultivation technology, low soil fertility, low organic matter content, and poor timeliness, the golden leaf catalpa has low survival rate, poor quality and low ornamental value.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The grafting breeding method of the present embodiment golden leaf catalpa comprises the following steps:

[0029] S1, the selection of rootstock: select the juniper cypress of plant height 1.5 meters as rootstock;

[0030] S2, the selection of scions: in March, select the branches with full buds on the golden leaf catalpa, and cut them off as scions;

[0031] S3, treatment before scion grafting: soak the scion cut in step S2 with a treatment agent for 10 hours, the treatment agent consists of 10 parts of yellow vinegar, 5 parts of magnesium nutrient, 8 parts of ammonium sulfate, 8 parts of potassium chloride, naphthaleneacetic acid 10 parts and 80 parts of deionized water are mixed;

[0032] S4, grafting: use a knife to cut the root of the scion into a wedge-shaped inclined plane, cut out a "T"-shaped grafting joint at the grafting place of the rootstock with a knife and insert the scion into the grafting joint of the rootstock, then tie it tightly with a plastic film...

Embodiment 2

[0039] The grafting breeding method of the present embodiment golden leaf catalpa comprises the following steps:

[0040] S1, the selection of rootstock: select the juniper cypress of plant height 2 meters as rootstock;

[0041] S2, the selection of scions: in April, select the branches with full buds on the golden leaf catalpa, and cut them off as scions;

[0042] S3, treatment before scion grafting: soak the scion cut in step S2 with a treatment agent for 15 hours, the treatment agent consists of 20 parts of yellow vinegar, 9 parts of magnesium nutrient, 12 parts of ammonium sulfate, 12 parts of potassium chloride, naphthaleneacetic acid 15 parts and 120 parts of deionized water are mixed;

[0043] S4, grafting: use a knife to cut the root of the scion into a wedge-shaped inclined plane, cut out a "T"-shaped grafting joint at the grafting place of the rootstock with a knife and insert the scion into the grafting joint of the rootstock, then tie it tightly with a plastic fil...

Embodiment 3

[0050] The grafting breeding method of the present embodiment golden leaf catalpa comprises the following steps:

[0051] S1, the selection of rootstock: select the juniper cypress of plant height 1.7 meters as rootstock;

[0052] S2, the selection of scions: in April, select the branches with full buds on the golden leaf catalpa, and cut them off as scions;

[0053] S3, treatment before scion grafting: soak the scion cut in step S2 with a treatment agent for 13 hours, the treatment agent consists of 15 parts of yellow vinegar, 7 parts of magnesium nutrient, 10 parts of ammonium sulfate, 10 parts of potassium chloride, naphthaleneacetic acid 13 parts and 100 parts of deionized water are mixed;

[0054] S4, grafting: use a knife to cut the root of the scion into a wedge-shaped inclined plane, cut out a "T"-shaped grafting joint at the grafting place of the rootstock with a knife and insert the scion into the grafting joint of the rootstock, then tie it tightly with a plastic f...

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Abstract

The invention provides a grafting breeding method for catalpa bignonioides, and relates to the technical field of ornamental tree planting. The grafting breeding method includes the steps of stock selecting, scion selecting, treating before scion grafting, grafting, unbundling, unwanted sprout removing, shaping and pruning, plant-transpiration-inhibitor and rooting-agent periodical spraying, nutrient and water managing and disease and pest controlling. According to the grafting breeding method for the catalpa bignonioides, the method is easy to operate and high in grafting survival rate, and the bred catalpa bignonioides is high in growth speed, hairchested in branch and trunk and dense and bright in leaf, and has the quite-high viewing value.

Description

technical field [0001] The invention relates to the technical field of ornamental tree planting, in particular to a grafting and breeding method of catalpa japonica. Background technique [0002] Golden Leaf Catalpa, Bignoniaceae, Catalpa. Native to the southeastern United States, it is now cultivated in southern Liaoning, Beijing and Shandong. It is a deciduous tree with a height of 15 meters and a wide crown. The leaves are opposite or whorled, broadly elliptic, heart-shaped at the base, 25 cm long, golden yellow in color, and copper-green in new leaves. Corolla white with 2 yellow stripes and purple-brown spots inside. The panicles are terminal, 20-30 cm long. Capsule thin strip, 40 cm long. The catalpa tree has a straight body, wide open crown, large leaves and thick shade, full of yellow flowers in spring and summer, and hanging pods in autumn and winter. It is a tree species with certain ornamental value. It can be used as street tree and greening tree species. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06A01G17/00
CPCA01G17/005A01G2/30
Inventor 戴勤王冬梅李慧珍
Owner WUHU OUBIAO AGRI DEV
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