Method for raising Qilian juniper seedlings by carrying out cuttage by virtue of twigs

A technology of twig cuttings and juniper, which is applied in the field of asexual reproduction, can solve the problems of slow propagation speed, low yield, and low survival rate of Qilian juniper twigs, and achieve the effect of increasing the speed of seedling formation

Inactive Publication Date: 2016-07-13
GANSU DESERT CONTROL RES INST
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Problems solved by technology

[0003] The purpose of the present invention is to address the deficiencies in the prior art and provide a method for growing seedlings by cuttings of twigs of Qilian cypress, so as to solve the problems of low survival rate, low yield and slow propagation speed of twigs of Qilian cypress in the prior art

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with embodiment.

[0020] The invention mainly includes the setting of the cutting bed, the treatment of the cutting substrate, the collection of the cuttings, the design of the cutting experiment, the soaking time and the pretreatment of the cuttings.

[0021] A method for growing seedlings of Qilian juniper twig cuttings, the method comprising the following steps:

[0022] 1. The setting of the slotting bed and the treatment of the cutting substrate: the cutting substrate used in the slotting bed is clay, the slotting bed is rectangular, and the upper part is equipped with artificial intermittent spraying equipment; before cutting, use 5% potassium permanganate (Kmno 4 ) for soil disinfection, the upper part is covered with a sunshade net, and the cutting is placed after about 1 day;

[0023] 2. Collection of cuttings: The mother plant of the cuttings is a 16-year-old Qilian juniper, which was colle...

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Abstract

The invention relates to a method for raising Qilian juniper seedlings by carrying out cuttage by virtue of twigs. The method comprises the following steps: (1) arranging a slotting machine and treating a cutting medium, namely arranging the cutting medium in the slotting machine, sterilizing soil firstly before the cuttage, covering the upper part of the soil with a sunshade net, placing for 1 day, and then carrying out cuttage; (2) collecting cutting slips, namely cutting the cutting slips from a mother plant by adopting a blade, then aligning the bases of the cutting slips, and immersing the bases into clear water to be treated later; (3) carrying out pre-treatment on the cutting slips, namely immersing the cutting slips into treatment solution, and carrying out cuttage while treatment is carried out; and (4) carrying out hormone soaking, namely carrying out rooting powder ABT treatment on each cutting slip for 200-300 minutes while concentration is 10-200mg / l, and carrying out acceptance 60 days later. The method provided by the invention has the advantages that Qilian juniper seedling development speed is greatly improved, the technical problems that Qilian juniper seed regeneration is difficult, growth and development of seedlings are poor, distribution is sparse, short and twist are caused and seedling development speed is low in the past are solved, and the method provided by the invention has an important role on large-scale industrial production and propagation of Qilian juniper plants.

Description

technical field [0001] The invention belongs to the technical field of asexual reproduction, and relates to a method for improving the survival rate of cuttings of evergreen coniferous juniper qilian twigs through hormone treatment. Background technique [0002] Qilian juniper (Sabinaprzewalskii) is the only forest type distributed on sunny or semi-sunny slopes in the subalpine dark coniferous forest belt of the Qilian Mountains forest area. The populations are scattered discontinuously in the shape of islands on the plateau surface and edge of alpine meadows and desert grasslands, and are important water conservation forest tree species in Qilian Mountains. Due to the poor terrain and environmental conditions in the distribution area, the seedlings generally grow poorly, and the distribution is sparse and low and distorted. Therefore, be badly in need of adopting the method for artificial propagation to improve the seedling propagation speed of Qilian juniper to solve this...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00
CPCA01G17/005
Inventor 柴成武王方琳徐先英尉秋实贺访印张莹花魏林源
Owner GANSU DESERT CONTROL RES INST
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