Method for raising seedlings by means of hard wood cutting on basis of Pujiang fragrant citruses

A technology for hard branch cutting and fragrant orange, which is applied in the field of hard branch cutting and seedling raising based on Pujiang fragrant orange, can solve the problems of shortening the breeding time of Pujiang fragrant orange, difficult to preserve the excellent characters of the parents, low reproduction coefficient, etc., so as to accelerate the breeding speed. , low cost, simple effect of seedling management

Inactive Publication Date: 2017-11-24
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the traditional division propagation method is used, the reproduction coefficient is low and the multiplication speed is slow, which is far from meeting people's needs; if seeds are used for sowing, there are disadvantages such as low reproduction coefficient, large variation, and difficulty in preserving the excellent characters of the parents.
Traditional cutting propagation techniques are limited to cuttings in spring, which greatly shortens the time that Pujiang orange can be used for reproduction

Method used

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  • Method for raising seedlings by means of hard wood cutting on basis of Pujiang fragrant citruses

Examples

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Effect test

Embodiment 1

[0030] A method for raising seedlings by hard branch cuttings based on Pujiang fragrant orange, specifically comprising the following steps:

[0031] Step 1. Selection of branches

[0032] Choose the morning when the weather is fine and there is no dew, and go to the field to collect Pujiang orange branches. The branches should be semi-lignified branches that grow upright, uniform in thickness, full of axillary buds, and free from diseases and insect pests. After cutting, wrap them in newspapers, spray water evenly to moisturize them, and bring them back to the laboratory for processing.

[0033] Step 2, cuttings processing

[0034] Remove the part of the branch that is not semi-lignified at the top, and cut the remaining part into 8cm stem segments. When cutting, the incision should be smooth and at an angle of about 45°. Remove all the leaves (including petioles) at the lower end of the stem section, and only keep the upper 3 leaves, and keep 1 / 3 of each leaf.

[0035] St...

Embodiment 2

[0046] A method for raising seedlings by hard branch cuttings based on Pujiang fragrant orange, specifically comprising the following steps:

[0047] Step 1. Selection of branches

[0048] Choose the morning when the weather is fine and there is no dew, and go to the field to collect Pujiang orange branches. The branches should be semi-lignified branches that grow upright, uniform in thickness, full of axillary buds, and free from diseases and insect pests. After cutting, wrap them in newspapers, spray water evenly to moisturize them, and bring them back to the laboratory for processing.

[0049] Step 2, cuttings processing

[0050] Remove the part of the branch that is not semi-lignified at the top, and cut the remaining part into a 10cm stem segment. When cutting, the incision should be smooth and at an angle of about 45°. Remove all the leaves (including petioles) at the lower end of the stem section, and only keep the upper 4 leaves, and keep 1 / 3 of each leaf.

[0051]S...

Embodiment 3

[0062] A method for raising seedlings by hard branch cuttings based on Pujiang fragrant orange, specifically comprising the following steps:

[0063] Step 1. Selection of branches

[0064] Choose the morning when the weather is fine and there is no dew, and go to the field to collect Pujiang orange branches. The branches should be semi-lignified branches that grow upright, uniform in thickness, full of axillary buds, and free from diseases and insect pests. After cutting, wrap them in newspapers, spray water evenly to moisturize them, and bring them back to the laboratory for processing.

[0065] Step 2, cuttings processing

[0066] Remove the part of the branch that is not semi-lignified at the top, and cut the remaining part into a 9cm stem segment. When cutting, the incision should be smooth and at an angle of about 45°. Remove all the leaves (including petioles) at the lower end of the stem section, and only keep the upper 4 leaves, and keep 1 / 3 of each leaf.

[0067] S...

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Abstract

The invention discloses a method for raising seedlings by means of hard wood cutting on the basis of Pujiang fragrant citruses. The method includes selecting cutting branches; preparing cutting shoot; preparing cutting media; treating the cutting shoot; carrying out cutting technologies; carrying out post-cutting daily management; forming seedlings and then transplanting the seedlings. The method for raising the seedlings by means of hard wood cutting on the basis of the Pujiang fragrant citruses has the advantages that the method is free of seasonal restrictions, the cutting shoot is high in rooting speed, rooting quantity and germination rate, the rooting percentage of the cutting shoot can reach 90% at least, and the technical difficult problems of seasonal restrictions and slow rooting of the traditional cutting methods can be solved.

Description

technical field [0001] The invention belongs to the technical field of plant propagation, and in particular relates to a hard branch cutting seedling raising method based on Pujiang orange. Background technique [0002] Orange (Citrus junos Sieb) is a kind of plant of Rutaceae Citrus. It is cold-resistant and salt-alkali resistant. Pujiang orange is a new rootstock variety bred by Sichuan Agricultural University from the wild orange strain in Baiyun Township, Pujiang County. The Pujiang orange tree has strong vigor, and the crown of the unpruned orange tree is cylindrical, and the plants are tall and large. Branches are hard and have long thorns. The leaves are single compound leaves. From bud to bloom, the outside of the petals are purple-red, with 5 petals, boat-shaped. The fruit is elliptic and nearly oblate, orange-yellow. Pujiang orange has been used as a rootstock in various citrus varieties for many years. The investigations, rootstock comparison tests and region...

Claims

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Application Information

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IPC IPC(8): A01G31/00A01G17/00
CPCA01G17/005A01G31/00
Inventor王小蓉谢锐李根何文马有军赵宇洪伏晓科张静王磊王浩李雪鸥刘针杉
OwnerSICHUAN AGRI UNIV