Cutting propagation method of cryptomeria fortunei

A cutting propagation and cedar technology, applied in the directions of vegetative propagation, botanical equipment and methods, animal repellants, etc., can solve the problems of low rooting rate, affecting the survival rate of seedling cuttings, etc., to promote root growth and reliable source of seedlings , the effect of improving the survival rate of cuttings

Pending Publication Date: 2018-12-21
NANJING FORESTRY UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Tan Ling (2014) in the cutting experiment of Cedar cedar, found that the selected rooting agent, the concentration of the solution and the treatment time of the scion had a significant impact on the cutting effect of Cedar cedar. After soaking in 200mg / L solution for 1 hour, the data of rooting rate, preservation rate, and number of adventitious roots in the cutting results were 46.80%, 68.73% and 16 respectively. It was found that compared with the previous cutting results, the cutting rooting rate was low. The reason for the analysis may be that the cutting time is selected in the season with higher temperature, and the higher temperature affects the survival rate of cuttings of seedlings

Method used

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  • Cutting propagation method of cryptomeria fortunei
  • Cutting propagation method of cryptomeria fortunei
  • Cutting propagation method of cryptomeria fortunei

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of cedar cutting propagation method, the steps are as follows:

[0021] 1) Select 3# cedar clones and 011# cedar clones with good growth status and no pests and diseases as the mother trees, cut the semi-lignified branches of the current year as cuttings, and cut them horizontally according to the upper incision, and cut obliquely at the lower incision In the method of cutting, 20 cuttings of each clone are taken as a bundle, soaked in clear water for treatment.

[0022] 2) Using exogenous hormone NAA150ppm+IBA100ppm, soak cuttings for 1.5h.

[0023] 3) When cutting, use a small wooden stick to guide the hole, and insert the spikes of Cedar cedar into the cutting substrate (vermiculite: perlite: peat soil: yellow soil = 1:1:2:1) for 1 / 2-2 / 3, After the cuttage is completed, use soil to compact the fringe of the cedar fringe, and water it uniformly after the cuttage is completed.

[0024] 4) After cutting, use a shading net above the cutting pond to reduce the tr...

Embodiment 2

[0029] A kind of cedar cutting propagation method, the steps are as follows:

[0030] 1) Select 3# cedar clones and 011# cedar clones with good growth status and no pests and diseases as the mother trees, cut the semi-lignified branches of the current year as cuttings, and cut them horizontally according to the upper incision, and cut obliquely at the lower incision In the method of cutting, 20 cuttings of each clone are taken as a bundle, soaked in clear water for treatment.

[0031] 2) Using exogenous hormone NAA100ppm+IBA200ppm, soak cuttings for 1.5h.

[0032] 3) When cutting, use a small wooden stick to guide the hole, insert the spikes of Cedar cedar into the cutting matrix for 1 / 2-2 / 3, after the cutting is completed, use soil to compact around the spikes of Cedar fir, and pour water uniformly after the cutting is completed .

[0033] 4) After cutting, use a shading net above the cutting pond to reduce the transpiration of the cedar spikes, and use automatic spraying w...

Embodiment 3

[0039] A kind of cedar cutting propagation method, the steps are as follows:

[0040] 1) Select 3# cedar clones and 011# cedar clones with good growth status and no pests and diseases as the mother trees, cut the semi-lignified branches of the current year as cuttings, and cut them horizontally according to the upper incision, and cut obliquely at the lower incision In the method of cutting, 20 cuttings of each clone are taken as a bundle, soaked in clear water for treatment.

[0041] 2) Using exogenous hormone NAA50ppm+IBA100ppm, soak cuttings for 0.5h.

[0042] 3) When cutting, use a small wooden stick to guide the hole, insert the spikes of Cedar cedar into the cutting matrix for 1 / 2-2 / 3, after the cutting is completed, use soil to compact around the spikes of Cedar fir, and pour water uniformly after the cutting is completed .

[0043] 4) After cutting, use a shading net above the cutting pond to reduce the transpiration of the cedar spikes, and use automatic spraying wa...

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Abstract

The invention discloses a cutting propagation method of cryptomeria fortunei. The method includes the following steps that 1, cutting pretreatment is conducted; 2, exogenous hormones NAA50-150 ppm + IBA100-300 ppm are used, and cuttings are soaked for 0.5-1.5 h; 3, cutting is conducted; 4, after-management of cutting is performed. According to the cutting propagation method of cryptomeria fortunei, it is proved by experiments that under the conditions that exogenous hormones NAA150ppm + IBA100ppm are adopted and the cuttings are soaked for 1.5h, the rooting rate of the cryptomeria fortunei cuttings can reach 98.33%, the survival rate of the cuttings is increased, and the root growth can be promoted. The method is simple and feasible, and reliable seedling sources are provided for fast-growing and high-yield cryptomeria fortunei forest planting.

Description

technical field [0001] The invention belongs to the technical field of plant cuttings, and in particular relates to a method for propagating cedar cuttings. Background technique [0002] Cedar is a genus in the family Taxaceae. Plant taxonomists believe that the Cryptomeria fortunei can be divided into two species, namely Cryptomeria fortunei and C.japonica. The growth height of cedar can reach about 40m, and the diameter at breast height can reach more than 2m. Cedar is an evergreen tree, and it is also cultivated in southern Jiangsu, Zhejiang, Henan, Jiangsu, Shandong, Anhui and other provinces, and the growth of Cedar is good. The general growth height of cedar is: the leeward sunny place at an altitude of 400m ~ 1400m, often mixed with some broad-leaved tree species such as Castanopsis eyrei Tutch. 14~19℃, the average temperature in January is above 0℃. Cedar has fast growth speed, light and soft material, straight texture, high strength, strong corrosion resistance,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/10A01N43/38A01N37/10A01P21/00
CPCA01N37/10A01N43/38A01G2/10A01G9/0299
Inventor 徐进戴丽华曹玉婷朱千雨施季森
Owner NANJING FORESTRY UNIV
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