Rice seed sterilization method and device

A rice seed and sterilization method technology, applied in the direction of seed immunization, etc., can solve the problems of low seed germination rate, high cost of sterilization, inconvenient popularization and use, etc., and achieve the effect of improving sterilization efficiency and simple structure

Inactive Publication Date: 2016-11-16
CHINA NAT RICE RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional method of disinfection and sterilization of rice seeds mainly uses medicament soaking, but the medicament of soaking seeds is often single, which can only kill one major rice seed-borne disease, and the benefit is low, the effect is poor, and it is easy to cause low seed germination rate; at the same time, it is easy to cause environmental pollution. pollution
Moreover, the ongoing organic rice cultivation cannot use pesticides, which restricts the development of production.
The special seed disinfection device currently used in production generally has a high cost of sterilization, and the machine structure is complicated, which is not easy to popularize.

Method used

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  • Rice seed sterilization method and device
  • Rice seed sterilization method and device

Examples

Experimental program
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Effect test

Embodiment 1

[0025] The sterilization device provided by the invention includes:

[0026] Three disinfection pools, each about 300cm long, 200cm wide, and 150cm deep, with water inlets and drains connected to the lower part. The first disinfection pool is connected to tap water and steam through an intelligent digital mixing valve to make the water temperature in the pool warm at 42°C; the second disinfection pool is connected to tap water and steam through an intelligent digital mixing valve to make the water temperature in the pool at 60°C; hot water in the third Normal temperature distilled water is stored in the disinfection pool;

[0027] 5 stainless steel baskets, each stainless steel basket is made of stainless steel bars welded into a rectangular frame structure, about 80cm long, 60cm wide, and 50cm high, and can bear about 50kg.

[0028] Conveying device: through pulleys, steel cables and transmission tracks, the stainless steel baskets are transported to the first disinfection p...

Embodiment 2

[0030] Utilize the sterilizer that embodiment 1 provides to sterilize paddy rice seed:

[0031] (1) Paddy rice seeds are removed impurities through winnowing, pack and soak seeds, put the seeds into 40 mesh nylon mesh bags, the weight of each bag of seeds is 5kg, and place 6 small bags in each stainless steel basket;

[0032] (2) Put the nylon bag containing the seeds into the stainless steel basket, start the transmission device and place the stainless steel basket first in the first disinfection pool that stores warm water at 42°C, and soak it for about 10 minutes to ensure that the seeds to be disinfected are fully pre-prepared. hot;

[0033] (3) After fully preheating the seeds, start the transmission device to lift the stainless steel basket, drain for about 5 minutes, then immerse the stainless steel basket with seeds in the second disinfection pool that stores 60°C hot water for 2 minutes, and then Lift the stainless steel basket out of the warm water for 30 seconds, t...

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Abstract

The invention provides a rice seed sterilization method. The method includes the step that rice seeds are preheated in 42 DEG C warm water, then soaked in 60 DEG C hot water and cooled. The invention further provides a rice seed sterilization device. According to the method, the rice seeds are preheated in the 42 DEG C warm water, then soaked in the 60 DEG C hot water to be sterilized and finally cooled, no chemical agent is used in the whole sterilization process, and a technical support is provided for organic rice cultivation. Besides, by means of the sterilization method, most germs in rice seed-borne diseases can be effectively killed without influencing the germination rate of the rice seeds or causing pollution to the environment.

Description

technical field [0001] The invention belongs to the technical field of seed treatment, in particular to a rice seed sterilization method and device. Background technique [0002] Rice seeds are often infected and carried various pathogenic bacteria during the growth period and harvest period, such as bakanae disease, rice blast, bacterial streak disease, rice false smut and other fungal diseases. Seed fungus is the initial source of infection for many rice diseases. Field surveys show that rice seeds carry pathogens on the surface and inside, and the fungus-carrying seeds often infect seedlings and rice plants, resulting in disease occurrence. Therefore, it is necessary to sterilize the seeds before sowing, which can significantly reduce the occurrence of diseases, promote fast germination, neat growth and robust growth of seeds, and reduce the occurrence of field diseases. [0003] The traditional method of disinfection and sterilization of rice seeds mainly uses medicamen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/08
CPCA01C1/08
Inventor 张义凯朱德峰徐一成苏柏元章卓梁
Owner CHINA NAT RICE RES INST
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