Efficient cutting propagation method for aerospace sterile materials of sorghum bicolor

A cutting propagation, high Dan grass technology, applied in the fields of botanical equipment and methods, horticulture, application, etc., can solve the problems affecting the conservation, development and utilization of resources, the research on cutting methods is few, and the stability of beneficial characters is difficult. Conducive to preservation, development and utilization, promoting popularization and promotion, and improving the effect of survival rate

Inactive Publication Date: 2013-04-03
INST OF SOIL FERTILIZER SICHUAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It was planted in the spring of 2007, and it was found that its agronomic traits had changed, the leaf volume increased, the tillering ability was enhanced, the grass yield was increased, and the growth period was prolonged. The heading time was delayed to about October, which was 1 month longer than that of the control. Sterility also appeared, and its seed setting rate hardly reached 5%, which seriously affected the preservation, development and utilization of resources, and caused difficulties in stabilizing beneficial traits.
[0003] Since Sorbus is an annual pasture, cutting propagation is rarely used in Sorbus, and there are few studies on its cutting methods

Method used

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  • Efficient cutting propagation method for aerospace sterile materials of sorghum bicolor
  • Efficient cutting propagation method for aerospace sterile materials of sorghum bicolor
  • Efficient cutting propagation method for aerospace sterile materials of sorghum bicolor

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Embodiment 1

[0059] Embodiment 1: This embodiment is the best embodiment of the present invention.

[0060] The high-efficiency cutting propagation method of Sorbus dancao aerospace sterile material, it comprises the following steps:

[0061] S1. In mid-October, cut the plants that grew robustly and free from diseases and insect pests in the same year as the material used in the spaceflight carrying materials of Sorbus arganum as cuttings. The cut cuttings are the middle branches. The cuttings are subjected to lower incision treatment, and the lower incision treatment is oblique incision treatment; the lower part of the cuttings is soaked in naphthalene acetic acid with a concentration of 200mg / L for 1 hour;

[0062] S2, the seedbed is prepared, and then the potassium permanganate of 0.1% concentration is evenly sprayed on the surface soil for disinfection, and aired;

[0063] S3, cutting, first dig a hole with a hoe, insert the lower 1 / 3 part of the cutting into the hole and compact it, ...

Embodiment 2

[0067] The high-efficiency cutting propagation method of Sorbus dancao aerospace sterile material, it comprises the following steps:

[0068] S1. In the first ten days of October, cut the plants of Sorbus dancae that grew vigorously and free from diseases and insect pests in the same year as the materials carried by the spaceflight as cuttings. The cut cuttings are the top branches. The cuttings are subjected to lower incision treatment, and the lower incision treatment is a flat incision treatment; the lower part of the cuttings is soaked in naphthalene acetic acid with a concentration of 150 mg / L for 1.5 hours;

[0069] S2, the seedbed is prepared, and then the potassium permanganate of 0.1% concentration is evenly sprayed on the surface soil for disinfection, and aired;

[0070] S3, cutting, first dig a hole with a hoe, insert the lower 1 / 3 of the cutting into the hole and compact it, and finally water it thoroughly, water it frequently after cutting, and keep the cutting e...

Embodiment 3

[0074] The high-efficiency cutting propagation method of Sorbus dancao aerospace sterile material, it comprises the following steps:

[0075] S1. In the last ten days of October, cut the plants of Sorbus dancae that grew robustly and free from diseases and insect pests in the same year as the materials carried by the spaceflight. The cut cuttings are the top branches. The cutting length is 8-15cm. The cuttings are subjected to lower incision treatment, which is double-sided incision treatment; the lower part of the cuttings is soaked in naphthalene acetic acid with a concentration of 250mg / L for 0.5 hours;

[0076] S2, the seedbed is prepared, and then the potassium permanganate of 0.1% concentration is evenly sprayed on the surface soil for disinfection, and aired;

[0077] S3, cutting, first dig a hole with a hoe, insert the lower half of the cutting into the hole and compact it, and finally water it thoroughly, water it frequently after cutting, and keep the cutting environ...

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Abstract

The invention discloses an efficient cutting propagation method for aerospace sterile materials of sorghum bicolor. The efficient cutting propagation method includes steps of S1, scissoring current-year plants of aerospace carried materials of the sorghum bicolor to be used as cuttings in October, removing leaves of the cuttings and performing lower cutting processing for the cuttings; S2, preparing soil of a seedbed, sterilizing the seedbed and airing the seedbed; S3, performing cutting, inserting 1 / 3-1 / 2 parts of lower ends of the cuttings into pits, then compacting the pits, watering the 1 / 3-1 / 2 parts of the lower ends of the cuttings thoroughly and keeping a cutting environment wet; S4, transplanting cutting seedlings into a greenhouse at the end of December; and S5, transplanting the cutting seedlings in the greenhouse into a field in March of the next year. The efficient cutting propagation method has the advantages that propagation of the aerospace sterile materials of the sorghum bicolor is realized by a cutting process, the shortcoming of difficulty in propagation of the aerospace sterile materials of the sorghum bicolor is overcome, and preservation, development and utilization of excellent resources are facilitated; and the cuttings are soaked by naphthalene acetic acid, so that the survival rate of cutting is effectively increased, and popularization of the aerospace sterile materials of the sorghum bicolor is greatly promoted.

Description

technical field [0001] The invention relates to the technical field of cutting propagation, in particular to a high-efficiency cutting propagation method for the sterile material of Sorbus dancae. Background technique [0002] Sorghum bicolor (Sorghum bicolor) is a forage sorghum and sudangrass hybrid bred sorghum grass annual grass, with the characteristics of tall plants, thick stems, strong tillering ability, and good regeneration. Through the introduction experiments in recent years, several Sorbus dansica materials with strong adaptability and good performance in the hilly areas of Sichuan were screened out. These materials were carried on the "Shijian No. 8" returnable scientific experiment satellite launched in 2006. The purpose is to make biological materials have mutations that cannot be produced on the ground through space mutagenesis. It was planted in the spring of 2007, and it was found that its agronomic traits had changed. The leaf volume increased, the tille...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 朱永群林超文庞良玉彭建华张建华黄晶晶罗付香朱波
Owner INST OF SOIL FERTILIZER SICHUAN ACAD OF AGRI SCI
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