Seedling raising method of elsholtzia splendens nakai

A grass flower and copper grass technology, which is applied in the field of garden biology, can solve the problems of artificial seed picking time of copper grass flowers, difficulty in harvesting seeds in large quantities, and ejection to the ground, etc., so as to solve the problem of low germination rate of seeds, cheap and easy to obtain, and ensure maturity. degree of effect

Active Publication Date: 2019-11-19
HUBEI POLYTECHNIC UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Seeds are used to sow copper grass seedlings, and the reproductive effect is poor. There are mainly two constraints: first, it is difficult to grasp the time of artificial seed collection of copper grass. It was ejected to the ground. In addition, the seeds of copper grass are extremely small, and the seeds scattered on the ground cannot be picked up again, and it is difficult to harvest seeds in large quantities. Second, the unique biological and ecological characteristics of copper grass make its seeds germinate and grow. Breeding requires special environmental conditions

Method used

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  • Seedling raising method of elsholtzia splendens nakai

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Effect test

Embodiment 1～3

[0029] From 2016 to 2018, in late October and late November every year, on sunny days, the near-mature seed ears and mature seed ears (CK) of Coppergrass flowers were collected in Tonglushan Copper Mine Area, Daye City, Hubei Province. , randomly sampled, each collected 100 plants, cut the seed ears and counted them, spread them out on bamboo dustpans respectively, and carried out post-ripening treatment under the environmental conditions provided by the present invention for the near-mature seed ears: temperature 23 ℃, humidity 40%, light hours 9 hours / day and night, light intensity 2500lux, continuous post-ripening treatment for 20 days. After the post-ripening treatment is completed, the seed ears are kneaded respectively, and the number of Coppergrass seeds obtained by the post-ripening treatment of the near-mature seed ears and the mature seed ears of the present invention are counted and compared. The result shows, adopt post-ripening treatment of the present invention t...

Embodiment 4

[0044] A method for cultivating copper grass seedlings, comprising the steps of:

[0045] (1) select the Coppergrass flower plant that grows vigorously and has no damage by diseases and insect pests to be the mother plant for seed collection;

[0046] (2) Use scissors to remove the near-mature copper grass seed ears from the mother plant respectively, and place the near-mature copper grass seed ears in an indoor artificial environment for post-ripening treatment: temperature 27°C, humidity 50%, light hours 10 hours / day and night, light intensity 3000lux, continuous post-ripening treatment for 25 days;

[0047] (3) Repeatedly kneading the near-mature Coppergrass flower seed ears through after-ripening treatment, rubbing until the seeds come off completely, and collecting the seeds for subsequent use;

[0048] (4) Spread the seeds evenly in a petri dish with built-in clean double-layer filter paper, try to make the seeds evenly distributed, spray wine germination accelerator in...

Embodiment 5

[0053] A method for cultivating copper grass seedlings, comprising the steps of:

[0054] (1) select the Coppergrass flower plant that grows vigorously and has no damage by diseases and insect pests to be the mother plant for seed collection;

[0055] (2) Remove the near-mature copper grass seed ears from the mother plant with scissors, and place the near-mature copper grass seed ears in an indoor artificial environment for post-ripening treatment: temperature 25°C, humidity 45%, light hours 9.5 hours / day and night, light intensity 2700lux, continuous post-ripening treatment for 23 days;

[0056] (3) Repeatedly kneading the near-mature Coppergrass flower seed ears through after-ripening treatment, rubbing until the seeds come off completely, and collecting the seeds for subsequent use;

[0057] (4) Spread the seeds evenly in a petri dish with built-in clean double-layer filter paper, try to make the seeds evenly distributed, spray wine germination accelerator into the petri d...

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Abstract

The invention belongs to the technical field of garden biology, and particularly relates to a seedling raising method of elsholtzia splendens nakai. According to the method provided by the invention,seeds are harvested by adopting close-to-mature elsholtzia splendens nakai seed spikes; seed loss caused by ejection when the seed spikes mature can be avoided; the problem of difficult collection ofthe elsholtzia splendens nakai seeds is solved; the post-maturation of the elsholtzia splendens nakai seed spikes is promoted by adopting indoor artificial environment treatment, thereby guaranteeingthe maturity of the seeds; at the same time, the germination of the elsholtzia splendens nakai seeds is induced by adopting a self-made pregermination agent, so that the problem of low germination rate of the seeds under natural conditions is solved; by adopting the method provided by the invention, the average seedling rate of the elsholtzia splendens nakai is 99.87%, and the effect is significant; post-maturation treatment of the elsholtzia splendens nakai seed spikes, induction of seed germination, and seedling cultivation do not require special facilities, drugs used are conventional reagents and are cheap and easy to obtain, and the cost is low.

Description

technical field [0001] The invention belongs to the field of garden biotechnology, and in particular relates to a method for raising seedlings of copper grass flowers. Background technique [0002] Coppergrass is a copper-resistant genotype of Lamiaceae and Elsholtzia splendens Nakai. It is mainly distributed in copper mining areas and smelting sites. It has strong copper hyperaccumulation ability and is considered to be a source of copper pollution. The material of choice for soil phytoremediation has broad application prospects in the practice of copper-contaminated soil engineering remediation. [0003] In recent years, with the wide application of copper grass in copper-contaminated soil remediation projects, the demand for copper grass seedlings is also on the rise, but there is a technical bottleneck in the large-scale propagation of copper grass seedlings. Under natural conditions, due to the influence of adverse factors such as rain and low temperature in winter, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/00A01G7/06A01G9/029A01C1/00C05G1/00A01N59/20A01N43/38A01P21/00
CPCA01G22/00A01G7/06A01G9/029A01C1/00C05B7/00A01N59/20A01N43/38
Inventor 康薇郑进
Owner HUBEI POLYTECHNIC UNIV
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