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A method for promoting rooting of ginkgo cuttings

A technology for cutting and ginkgo, applied in the field of promoting the rooting of ginkgo cuttings, can solve the problems of restricting the application of ginkgo cutting propagation technology, improper configuration and use, unsatisfactory effect, etc. Effect

Inactive Publication Date: 2020-05-19
SHANDONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, commonly used rooting agents for ginkgo cutting propagation include ABT, PRA, PRB, etc., but in the process of their application, the effect is often not ideal due to improper configuration and use, and the traditional rooting agents are too long due to processing time. The cuttings are damaged and the rooting rate is not high, which also restricts the application of ginkgo cutting propagation technology

Method used

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  • A method for promoting rooting of ginkgo cuttings
  • A method for promoting rooting of ginkgo cuttings

Examples

Experimental program
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Effect test

Embodiment 1

[0043] (1) Preparation of cuttings

[0044] The hard branch cuttings started to prepare the scion in late November of that year. The branch was cut off at the top 1cm of the bud, and the incision was a flat incision. Afterwards, every 50 cuttings are stored in a bundle of sand. For tender branch cuttings and semi-hard branch cuttings, the scion should be prepared before cutting, and the cuttings should be cut immediately after cutting.

[0045] (2) Selection of cutting time

[0046] Hard branch cuttings were tested in early March of the following year, soft branch cuttings were carried out in late June of the following year, and semi-hard branch cuttings were carried out in early October.

[0047] (3) Establishment of cutting seedbed

[0048] The cuttings are carried out in a plastic shed, and a simple low seedbed is made. The bed is 120cm wide and 30cm deep, and filled with slag mixed with sand (ratio 1:2), and the seedbed spacing is 100cm.

[0049] (4) Treatment of cutti...

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Abstract

The invention discloses a method for promoting the cutting and rooting of ginkgo. The method comprises the following steps: putting the gingko cuttings in a mixed rooting agent containing IBA, NAA andKH2PO4, wherein the concentrations of the IBA, the NAA and the KH2PO4 in the mixed rooting agent are 500mg / L, 500mg / L and 50mg / L respectively, the cuttings are quickly dipped in the mixed rooting agent for 8-12 s, and then immediately inserted into a seedbed, cutting is carried out by adopting a ditching and wall-leaning cutting technology, and the ditching depth is 6-10 cm. After the cuttings are inserted into the seedbed, the soil covering compaction is carried out, and the cutting density is 15000-20000 plants / mu. By adopting the method, the rooting rate of the cuttings can be remarkably improved, the efficiency of the ginkgo cutting seedling is improved, and the method has important significance for rapid propagation of the ginkgo varieties.

Description

technical field [0001] The invention relates to the technical field of tree growth and propagation, in particular to a method for promoting rooting of ginkgo cuttings. Background technique [0002] Ginkgo biloba L. is the oldest relict plant among the existing seed plants, and it is a historical heritage and a living fossil. In China, the natural distribution area of ​​ginkgo is very wide, mainly distributed in the vast area of ​​22 ° ~ 41 ° N, 98 ° ~ 121 ° E. In the distribution area, it is cultivated in small flakes and forms several discontinuous geographical populations. Among them, Jiangsu, Shandong, Zhejiang, Guangxi and Hubei are the main cultivation areas of ginkgo. Ginkgo has edible, medicinal, ornamental, greening, protection, material and scientific value. Because of its wide distribution of roots, deep penetration into the soil, and strong water retention capacity, it is an excellent tree species for building street trees and water conservation forests. In rece...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/10A01G17/00A01N59/26A01N43/38A01N37/10A01P21/00
CPCA01G17/005A01N37/10A01N43/38A01N59/26
Inventor 邢世岩付文琦许楠单超
Owner SHANDONG AGRICULTURAL UNIVERSITY
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