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Rice hydroponics method and application thereof

A technology for rice and hydroponics, applied in the fields of application, botanical equipment and methods, cultivation, etc., can solve the problems of root rot, rice contamination, time-consuming and labor-intensive large water bodies, etc.

Active Publication Date: 2018-06-15
云南省农业科学院生物技术与种质资源研究所
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, changing large bodies of water becomes time-consuming, labor-intensive and media-intensive
Moreover, after our experiments, we found that for living fungi, they will not spread to other areas because of changing the water body, but will still be concentrated in the roots. Therefore, for long-term cultivation, changing the water body will not solve the problem of rice roots. Bacteria and eventually root rot problems

Method used

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  • Rice hydroponics method and application thereof
  • Rice hydroponics method and application thereof
  • Rice hydroponics method and application thereof

Examples

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preparation example Construction

[0026]In the invention, the paddy rice material is placed in the suspension solution mixed with nutrient solution and humus soil for light cultivation. In the present invention, the rice material is preferably germinated rice seeds; in the present invention, the cotyledon elongation length of the germinated rice seeds is preferably 5-8 cm, more preferably 6 cm. , the preparation method of the germinated rice seeds comprises: wetting water on the surface of the rice seeds and cultivating in the dark; the temperature of the dark culture is preferably 30±2° C., and the time of the dark culture is preferably 5 to 7 days , more preferably 6 days. In the present invention, the rice material can be wild rice or local rice; the variety type of the rice material does not affect the implementation of the technical solution of the present invention, and the method provided by the invention can be adapted to any variety of rice material.

[0027] Using the rice hydroponics method provide...

Embodiment 1

[0031] (1) Prepare a floating culture plate; cut the 200-hole foam plate to fit the size of the mesh bag (it can be adjusted according to the size of the mesh bag, 3 rows of foam holes are cut in this embodiment, and 170 holes per plate are reserved), and put into the mesh bag And fasten the bag mouth, use tweezers to pull out the mesh bag mesh at the position of the mesh bag facing each foam hole cell, insert a 5ml centrifuge tube with the bottom cut off, the bottom of the tube does not pass through the other mesh surface, so that when floating When the plate floats on the culture medium, the seeds germinated and cultivated in it will not fall into the water.

[0032] (2) Put 1-3 rice seeds in each centrifuge tube. The seeds are shelled and dried in the sun. For the seeds of varieties with longer awns or wild rice seeds, the awns can be removed or the embryo end of the seeds can be put down into a centrifuge tube. And record the position of the sample on the floating plate i...

Embodiment 2

[0039] Steps (1)~(3) are the same as in Example 1, and the remaining steps are as follows:

[0040] (4) Culture solution preparation: Use tap water to prepare hydroponic nutrient solution (the content of each element is N 40mg / L, P 10mg / L, K40mg / L, Ca40mg / L, Mg 40mg / L, Mn 0.5mg / L, Mo 0.05 mg / L, B 0.2mg / L, Zn 0.01mg / L, Cu0.01mg / L, Fe 2mg / L) 40L, adjust the pH of the nutrient solution to 5.8, add 8L humus to the nutrient solution, mix well, Obtain culture medium.

[0041] (5) Put the floating culture plate of the germinated material into the culture medium and cultivate it under light.

[0042] (6) Replace the culture medium every 1 month, and replenish tap water in time to maintain the volume.

[0043] (7) After 2 months, the root system is basically finalized, and the plant grows well. The observation of root morphology and the measurement of physiological indicators such as root length and dry weight can be carried out.

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Abstract

The invention relates to the field of rice cultivation, and particularly relates to a rice hydroponics method. Lighting culture is carried out on rice materials in a culture solution, wherein the culture solution is a suspension formed by mixing a nutrient solution and humus soil, and the volume of the humus soil is 1 / 5-1 / 3 of the volume of the nutrient solution. With the utilization of the methodprovided by the invention, nutrition is enriched on one hand, on the other hand, humus soil particles suspended in the culture solution provide adhesion and living space to thalli, so that a root system growth ecological system close to soil is formed, mixed fungi pollution on the surface of a root system is reduced, the water exchange frequency is reduced, and the efficiency is improved. In addition, the invention also provides an application of the rice hydroponics method in hydroponics identification of rice root morphology in a laboratory, the added humus soil exists in a suspension formand does not affect the morphological observation of roots at last, and the complete root system can be obtained only by gently carrying out washing with water.

Description

technical field [0001] The invention relates to the field of rice cultivation, in particular to a rice hydroponics method and application thereof. Background technique [0002] The Institute of Biotechnology and Germplasm Resources of the Yunnan Academy of Agricultural Sciences has established a national mid-term germplasm bank, which holds 25,000 copies of crop germplasm resources, 10% of which are precious resources that cannot be provided externally. Precise phenotype and genotype identification of these resources, screening materials to discover excellent genes for breeding and production are the core content of resource research. Among them, there are more than 10,000 copies of rice resources, including rich types of wild rice resources and local rice resources. The wild rice research team of our unit has been committed to the discovery and utilization of wild rice for many years. It took 16 years to use common wild rice and cultivated rice to carry out distant hybridi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00A01G24/28A01G24/10C05G3/00
CPCA01G31/00C05B7/00C05G3/00C05G5/27C05C1/00C05C3/00C05D1/02C05D3/00C05D5/00C05D9/02C05F11/04
Inventor 柯学钟巧芳陈玲程在全肖素勤殷富有张敦宇陈越付坚王玲仙王波蒋聪曾民蒋春苗
Owner 云南省农业科学院生物技术与种质资源研究所
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