Strong root matrix for cutting seedlings and cutting method

A technology for cutting seedlings and substrates, which can be applied to planting substrates, botanical equipment and methods, culture medium, etc., and can solve problems such as reducing the infection rate of germinated seedlings and root rot.

Inactive Publication Date: 2019-03-29
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the purpose of the present invention is to provide a strong root matrix and cutting method of poplar tomentosa cutting seedlings, which reduces the germ infection rate of sprouting seedlings, so

Method used

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  • Strong root matrix for cutting seedlings and cutting method
  • Strong root matrix for cutting seedlings and cutting method
  • Strong root matrix for cutting seedlings and cutting method

Examples

Experimental program
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Example Embodiment

[0032] Example 1

[0033] Using 45 genotypes of Populus tomentosa from Shandong provenance, 50 sprouts were selected for each genotype. First, wash the fine sand with water, dry it in the sun, and put it into a tray with a depth of 5 cm, and sterilize it with 2 g / L carbendazim solution for 6 hours. Cut 8-10cm away from the top of the sprouts, leaving the top two leaves, and cut off the rest. After dipping the incision with 150PPM naphthalene acetic acid (NAA) for 10 seconds, it was inserted into the 2cm deep fine sand. Keep the sandy soil humidity 85%, the growth environment temperature 28℃, the air humidity 80%, and the rooting period is three weeks (21 days). Investigate the rooting rate and root characteristics of the sprouts (such as figure 1 And shown in Table 1). Then the bare roots are transplanted to root and sprout seedlings into the strong root substrate (medium loamy soil: vermiculite: perlite: peat: Huaduoduo No. 15 weight ratio is 2:1:1:2:0.1), and grow for 4 more ...

Example Embodiment

[0039] Example 2

[0040] Using 50 genotypes of Populus tomentosa from Beijing provenance, 50 sprouts were selected for each genotype. First, wash the fine sand with water, dry it in the sun, and put it into a tray with a depth of 5 cm, and sterilize it with 2 g / L carbendazim solution for 6 hours. Cut 8-10cm away from the top of the sprouts, leaving the top two leaves, and cut off the rest. After dipping the incision with 150PPM naphthalene acetic acid (NAA) for 10 seconds, it was inserted into the 2cm deep fine sand. Keep the sandy soil humidity 85%, the growth environment temperature 28℃, the air humidity 80%, and the rooting period is three weeks (21 days). Investigate the rooting rate and root characteristics of the sprouts (such as figure 1 And shown in Table 1). Then the bare roots are transplanted to root and sprout seedlings into the strong root substrate (medium loamy soil: vermiculite: perlite: peat: Huaduoduo No. 15 weight ratio is 2:1:1:2:0.1), and grow for 4 more w...

Example Embodiment

[0046] Example 3

[0047] Using 30 genotypes of Populus tomentosa from Gansu provenance, 50 sprouts were selected for each genotype. First, wash the fine sand with water, dry it in the sun, and put it into a tray with a depth of 5 cm, and sterilize it with 2 g / L carbendazim solution for 6 hours. Cut 8-10cm away from the top of the sprouts, leaving the top two leaves, and cut off the rest. After dipping the incision with 150PPM naphthalene acetic acid (NAA) for 10 seconds, it was inserted into the 2cm deep fine sand. Keep the sandy soil humidity 85%, the growth environment temperature 28℃, the air humidity 80%, and the rooting period is three weeks (21 days). Investigate the rooting rate and root characteristics of the sprouts (such as image 3 And shown in Table 3). Then the bare roots are transplanted to root and sprout seedlings into the strong root substrate (medium loamy soil: vermiculite: perlite: peat: Huaduoduo No. 15 weight ratio is 2:1:1:2:0.1), and grow for 4 more we...

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Abstract

The invention provides a strong root matrix for cutting seedlings and a cutting method and relates to the technical field of cutting seedling growing. The strong root matrix comprises the following raw materials in parts by weight: 1.5-3 parts of medium loamy soil, 0.6-1.5 parts of vermiculite, 0.6-1.5 parts of perlite, 1.5-2.8 parts of grass peat and 0.05-0.2 part of No. 15 Peters. The strong root matrix and the cutting method provided by the invention have the benefits that during cutting, the seedlings are rooted with fine sand firstly, and then the rooted seedlings are transplanted onto the strong root matrix to grow till the hardened seedlings are transplanted into a field; and by the utilization of the method, not only can the rooting rate of the seedlings be controlled to reach 90.71-95.88 percent, but also the transplanting survival rate can be improved to 89.82-94.70.

Description

technical field [0001] The invention belongs to the technical field of cutting seedling cultivation, and in particular relates to a root-strengthening matrix of cutting seedlings and a cutting method. Background technique [0002] Populus tomentosa is a genetic resource submitted to the Food and Agriculture Organization of the United Nations and the Environment Program for review and protection. Its fast growth, wood properties, and excellent resistance are all outstanding among poplar species. It is an important greening tree species in northern my country. It is widely used in afforestation, shelter forest construction, urban and rural greening construction, etc., and has important value for forestry construction and ecological construction. [0003] Populus tomentosa has a long history of cultivation in the Huanghuaihai River Basin and the North China Plain. Because it is traditionally distributed in areas south of 41° north latitude, conventional propagation is difficult,...

Claims

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Application Information

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IPC IPC(8): A01G24/12A01G24/15A01G24/28A01G24/30A01G2/10
CPCA01G2/10A01G24/12A01G24/15A01G24/28A01G24/30
Inventor 张德强卢文杰杜庆章李鹏肖亮
Owner BEIJING FORESTRY UNIVERSITY
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