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Hydroponic floating seedling method for sedum alfredii hance

A technology of floating seedling cultivation and hydroponics, which is applied in the field of hydroponic floating seedling cultivation of Sedum sedum, can solve problems such as difficulty in meeting large-scale industrial seedling cultivation, low survival rate of seedling transplanting, and long seedling cultivation time, so as to save manpower and material resources, Save seedbed, good root development effect

Inactive Publication Date: 2017-09-01
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these methods can obtain a large number of seedlings, the asexual propagation method based on plant tissue culture technology has disadvantages such as high cost, long seedling time, and low survival rate of seedling transplantation; It has the disadvantages of high seedling cost, inconvenient transportation, time-consuming and labor-consuming, and it is difficult to meet the needs of large-scale industrial seedling cultivation

Method used

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  • Hydroponic floating seedling method for sedum alfredii hance
  • Hydroponic floating seedling method for sedum alfredii hance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment one, hydroponic floating seedling raising

[0033] 1) Collect the aboveground branches of Sedum sedum that are free of diseases and insect pests, cut them into 5-6cm cuttings, and place them in a cool and ventilated place for 24 hours to allow the wounds to heal.

[0034] 2) Put the placed cuttings on a 30×20×0.5cm foam board with holes according to the row spacing of 4×4cm, and the foam board floats in a 30×20×10cm plastic box filled with clear water to make the lower half of the cuttings Part of it is in contact with clear water, and the upper part is in contact with air. There are 40 cuttings per frame.

[0035] 3) Change the clean water every four days during the seedling raising period. After the root system grows to 5cm (about 14 days), remove the seedlings from the water body and place them in a cool and ventilated place for 24 hours before transplanting.

[0036] This method is not limited by seasons, highly intensive, with many seedlings emerging pe...

Embodiment 2

[0037] Embodiment two, auxin-assisted hydroponic floating seedling cultivation

[0038] 1) Collect the aboveground branches of Sedum sedum that are free of diseases and insect pests, cut them into 5-6cm cuttings, and place them in a cool and ventilated place for 24 hours to allow the wounds to heal.

[0039] 2) Bundle 40 cuttings after placement, and soak the lower half of the cuttings in 1 μM auxin solution for 4 hours.

[0040] 3) Put the soaked cuttings on a 30×20×0.5cm foam board with holes at a row spacing of 4×4cm. The foam board floats in a 30×20×10cm plastic box filled with clear water to make the lower half of the cuttings Part of it is in contact with clear water, and the upper part is in contact with air. There are 40 cuttings per frame.

[0041] 4) Change the clean water every four days during the seedling raising period. After the root system grows to 5cm (about 14 days), remove the seedlings from the water body and place them in a cool and ventilated place for 2...

Embodiment 3

[0043] Embodiment three, plant growth-promoting bacteria assisted hydroponic floating seedling cultivation

[0044]1) Collect the aboveground branches of Sedum sedum that are free of diseases and insect pests, cut them into 5-6cm cuttings, and place them in a cool and ventilated place for 24 hours to allow the wounds to heal.

[0045] 2) Bundle 40 cuttings after placement, and soak the lower half of the cuttings in the plant growth-promoting bacteria solution (Sasm05) with OD600=1.0 for 4 hours.

[0046] 3) Put the soaked cuttings on a 30×20×0.5cm foam board with holes at a row spacing of 4×4cm. The foam board floats in a 30×20×10cm plastic box filled with clear water to make the lower half of the cuttings Part of it is in contact with clear water, and the upper part is in contact with air. There are 40 cuttings per frame.

[0047] 4) Change the clean water every four days during the seedling raising period. After the root system grows to 5cm (about 14 days), remove the seedl...

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Abstract

The invention discloses a hydroponic floating seedling method for sedum alfredii hance. The method comprises the following steps of (1) collecting upper branches of annular sedum alfredii hance free of diseases and pests, cutting the upper branches into cuttings, and standing in a cool and ventilated place for wound healing; (2) soaking lower parts of the healed cuttings into a growth-promoting liquid and cutting on a perforated foam board, floating the foam board into clear water, and making the lower parts of the cuttings in contact with the clear water and the upper parts in contact with air, wherein the growth-promoting liquid is an auxin solution or a plant growth-promoting rhizobacteria solution; and (3) replacing the clear water regularly during the seedling period and transplanting after the roots grow to 5cm. The method is free of limitation of the season, highly intensive, multiple in seedlings per unit area, fast in emergence and good in industrialization prospect, industrial large-scale seedling is achieved, and a lot of seedlings can be quickly provided for soil heavy metal restoration within a short period; the seedlings are relatively good in root development, relatively healthy and strong, free of weed and free of soil-borne diseases and pests and relatively high in transplanting survival rate; a seedbed is saved; and manpower and material resources are saved.

Description

technical field [0001] The invention belongs to the field of plant propagation and seedling cultivation, and relates to a hydroponic floating seedling cultivation method of Sedum sedum. Background technique [0002] In recent years, soil cadmium pollution has become increasingly serious, and cadmium in soil enters the human body through the food chain, endangering human health. How to control and reduce cadmium pollution in soil has become an urgent problem to be solved. Phytoremediation is a more environmentally friendly way to treat heavy metal pollution in soil by using heavy metal hyperaccumulation or enrichment plants. It has the advantages of low cost, no secondary pollution, saving land resources, environmental friendliness, and sustainable development. Sedum alfredii Hance is a zinc and cadmium hyperaccumulator and lead enrichment plant discovered for the first time on an ancient lead-zinc mine in Quzhou City, Zhejiang Province, my country. It has been widely used i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00A01G1/00
CPCA01G31/00
Inventor 冯英吴英杰叶佳园王琼罗莎黄琳杨肖娥
Owner ZHEJIANG UNIV
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