A method of cultivating cannabis seedlings

A technology for seedlings and hemp, which is applied in the field of cultivating hemp seedlings, can solve problems such as threats, high requirements for self-conditions, and damage to ecological balance, and achieve the effects of improving tolerance, good controllability, and easy restoration

Active Publication Date: 2020-08-25
INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these methods can reduce cadmium toxicity, there are other problems. Although heavy metal chelating agents can chelate heavy metals, they are also a kind of pollution to plants, which may cause secondary pollution.
However, the use of microorganisms that adsorb heavy metals has high requirements on the soil itself. Overacidity and overalkaline are not conducive to the growth of microorganisms, and may also cause threats to other original microbial populations in the soil, destroy the original ecological balance, and pollute the environment. cause more damage

Method used

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  • A method of cultivating cannabis seedlings
  • A method of cultivating cannabis seedlings
  • A method of cultivating cannabis seedlings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The present embodiment provides a kind of method of cultivating hemp seedling, comprises the following steps:

[0029] (1) Seed soaking and germination

[0030] Select full-bodied hemp seeds, soak and sterilize them with 10% NaClO solution by mass volume ratio for 10 minutes, then rinse repeatedly with sterile water for 10 minutes, then soak the seeds in sterile water for 8 hours, and place the soaked seeds in After adding 10mL of sterile water to a sterile culture box covered with three layers of filter paper, place the culture box in a light incubator at 25°C to cultivate and accelerate germination, and replenish water every other day;

[0031] (2) Seedling hydroponics

[0032] The seedlings that have been germinated for 2 days are moved into the culture solution, and the formula of the culture solution is as follows: Ca(NO 3 ) 2 295mg / L, KNO 3 252.8mg / L, KH 2 PO 4 75.5mg / L, MgSO 4 245mg / L, MnSO 4 3.49mg / L,H 3 BO 3 2.86mg / L, ZnSO 4 0.604mg / L, CuSO 4 0....

Embodiment 2

[0036] The present embodiment provides a kind of method of cultivating hemp seedling, comprises the following steps:

[0037] (1) Seed soaking and germination

[0038] Select full-bodied hemp seeds, soak and sterilize them with 10% NaClO solution by mass volume ratio for 10 minutes, then rinse repeatedly with sterile water for 10 minutes, then soak the seeds in sterile water for 8 hours, and place the soaked seeds in After adding 10mL of sterile water to a sterile culture box covered with three layers of filter paper, place the culture box in a light incubator at 25°C to cultivate and accelerate germination, and replenish water every other day;

[0039] (2) Seedling hydroponics

[0040] The seedlings that have been germinated for 2 days are moved into the culture solution, and the formula of the culture solution is as follows: Ca(NO 3 ) 2 295mg / L, KNO 3 252.8mg / L, KH 2 PO 4 75.5mg / L, MgSO 4 245mg / L, MnSO 4 3.49mg / L,H 3 BO 3 2.86mg / L, ZnSO 4 0.604mg / L, CuSO 4 0.08...

Embodiment 3

[0044] This embodiment provides a method for cultivating hemp seedlings. The rest are the same as in Example 1, except for the timing of adding grape seed proanthocyanidins. In this method, 50 mg / L grape seed proanthocyanidins are added when the seeds are soaked.

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PUM

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Abstract

The present invention relates to a method for cultivating cannabis seedlings. The method comprises the step of adding grape seed proanthocyanidins to a medium of cannabis seedlings. The grape seed proanthocyanidins added in the method of the invention are derived from grape seeds, are a natural antioxidant existing in plants, are highly soluble in water, and are easily absorbed by the cannabis seedlings, thereby improving the tolerance of the cannabis seedlings to cadmium stress, and causing no negative influence on the cannabis seedlings in the absence or low content of cadmium stress. The method of the present invention does not cause secondary pollution or damage ecological balance compared with conventional methods in which heavy metal chelating agents or heavy metal adsorption microorganisms are added. The method of the invention has the advantages of quick effect and good controllability, and is very suitable for cultivation of cannabis, thereby better enabling cannabis to repaircadmium-contaminated soil.

Description

technical field [0001] The invention relates to the field of cultivation of hemp crops, in particular to a method for cultivating hemp seedlings. Background technique [0002] Soil heavy metal pollution has become one of the most concerned environmental pollution problems. Due to their unique long-term, concealed and irreversible properties, heavy metals can be continuously enriched in organisms and cannot be degraded and eliminated. Compared with other forms of pollution, heavy metals are more difficult to control. As a common heavy metal in the environment, cadmium (Cd) is usually derived from industrial zinc smelting. It has strong toxicity and biological migration. It can enter the human body through the food chain, induce kidney decay, cancer and other diseases, and endanger human health. . [0003] Hemp (Cannabis sativa L.), also known as hemp, hemp, thread hemp, etc., is an annual herb belonging to the family Moraceae and has the characteristics of short growth cycl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/00
CPCA01G22/00
Inventor 黄玉敏李德芳赵立宁黄思齐唐慧娟陈安国李建军常丽潘根邓勇
Owner INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI
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