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A kind of breeding method of Canadian red leaf Bauhinia

A technology of Bauhinia and red leaves, applied in fertilization methods, botanical equipment and methods, chemicals for biological control, etc., can solve the problems of low survival rate of grafting, easy oxidation and discoloration, etc., achieve high success rate, and little impact of diseases and insect pests , the effect of improving the success rate

Active Publication Date: 2020-02-18
CHONGQING ACADEMY OF FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a breeding method of Bauhinia canada, which can overcome the problem in the prior art when grafting Bauhinia canada, because the cut surface of the graft is easy to oxidize and change color, forming a layer of isolation film, which leads to a lower survival rate of grafting. low problem

Method used

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  • A kind of breeding method of Canadian red leaf Bauhinia

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Effect test

Embodiment 1

[0043] A breeding method for Canadian red-leaf Bauhinia adopts the method of grafting, and comprises the following steps:

[0044] S1, rootstock cultivation: 12 months before grafting, select giant bauhinia with a plant height of 1.2 meters, apply 2.5kg of compound fertilizer A to the selected giant bauhinia, and then apply 1.5kg of compound fertilizer A every 4 months until the grafting time, Among them, compound fertilizer A includes: 3% urea, 7% ammonium chloride, 1.5% potassium chloride, 15% of the first plant ash after burning the branches of Redbud Bauhinia, and the balance is ordinary second plant ash;

[0045] S2. Cultivation of Bauhinia scion: 12 months before grafting, select 4-year-old Bauhinia Bauhinia Bauhinia, apply 2.5 kg of B compound fertilizer to the selected Bauhinia Bauhinia Bauhinia, and then apply 1.5 kg of B compound fertilizer every 4 months until the time of grafting , wherein B compound fertilizer includes: 3% urea, 7% ammonium chloride, 1.5% potassiu...

Embodiment 2

[0067] Compared with Example 1, the only difference between Example 2 and Example 1 is that the rootstock and scion Bauhinia are not cultivated.

Embodiment 3

[0069] Compared with embodiment 1, the difference between embodiment 3 and embodiment 1 is only steps S1 and S2, wherein in embodiment 3,

[0070] S1: rootstock cultivation: 12 months before grafting, select the giant bauhinia with a plant height of 1.2 meters, apply 2.5kg of compound fertilizer A to the selected giant bauhinia, and then apply 1.5kg of compound fertilizer A every 4 months until the time of grafting, Wherein A compound fertilizer comprises: 3% of urea, 7% of ammonium chloride, 1.5% of potassium chloride, and the balance is common second plant ash;

[0071] S2. Cultivation of Bauhinia scion: 12 months before grafting, select 4-year-old Bauhinia Bauhinia Bauhinia, apply 2.5 kg of B compound fertilizer to the selected Bauhinia Bauhinia Bauhinia, and then apply 1.5 kg of B compound fertilizer every 4 months until the time of grafting , wherein B compound fertilizer comprises: 3% of urea, 7% of ammonium chloride, 1.5% of potassium chloride, and the balance is common...

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Abstract

The invention discloses a breeding method of Cercis canadensis. The method comprises the following steps: S1, rootstock cultivation; S2, cultivation of scion Cercis canadensis; S3, scion processing; S4, cutting of rootstock unions; S5, grafting; S6, management after grafting; S7, untying scions. The breeding method of Cercis canadensis can overcome the problem in the prior art. Therefore, survival rate of grafting is improved by preventing grafting cutting sections from changing colors due to oxidation during grafting of Cercis canadensis. As a result, survival rate of grafting of Cercis canadensis is higher.

Description

technical field [0001] The invention relates to the technical field of plant breeding, in particular to a breeding method of the Canadian red-leaf bauhinia. Background technique [0002] Bauhinia Bauhinia is a deciduous shrub with a plant height of 6-10 meters and a crown width of 8-12 meters. The leaves are heart-shaped, and the leaves are bright purple-red in spring, summer and autumn, and the young shoots are always magnificent red. The buds are purple-red, with many flowers, and the flowering period is March-April; it has strong adaptability and is more cold-resistant than Chinese Bauhinia. It can grow in acid-alkaline soil and dry and moist soil. It can be planted in courtyards, parks, and roadsides. It is an excellent landscape tree species. [0003] In recent years, my country has introduced Canadian red-leaf Bauhinia from abroad. Its leaves are of great ornamental value and are easy to cultivate and manage. Therefore, they have been introduced and cultivated in al...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G2/30A01G13/00A01C21/00C05G1/00A01N59/26A01N57/12A01N43/16A01N25/28A01P1/00A01P7/04
CPCA01C21/005A01G9/0299A01G13/00A01G17/005A01N25/28A01N43/16A01N57/12A01N59/26C05C3/00C05C9/00C05D1/00C05D1/02
Inventor 马立辉谢英赞方文王朝英
Owner CHONGQING ACADEMY OF FORESTRY SCI
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