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Alkali spreading value test method, rice quality determination method and application thereof

A technology of inspection method and determination method, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as the inability to identify the alkali consumption value of a single plant of breeding materials, and achieve the goals of reducing test waste, improving efficiency, and reducing energy consumption costs Effect

Pending Publication Date: 2021-11-23
ZHEJIANG JIAXING AGRI SCI ACADEMY INST
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  • Application Information

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Problems solved by technology

[0004] Aiming at the problem that the current agricultural industry standards cannot carry out the identification of the alkali digestion value of a single plant of breeding materials, the invention provides a fast, efficient, and cost-saving inspection method for the alkali digestion value, a rice quality determination method and its application

Method used

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  • Alkali spreading value test method, rice quality determination method and application thereof
  • Alkali spreading value test method, rice quality determination method and application thereof
  • Alkali spreading value test method, rice quality determination method and application thereof

Examples

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Embodiment 1

[0026] Example 1: In this example, in 2020, 12 rice varieties (combinations) and their parental materials collected independently in production were determined. The rice varieties include Jia 58, Jiayou Zhongke No. 3, and Jiayou Zhongke No. 2 , Jiayou Zhongke 13-1, Xiushui 134, Zhongke Jiahui No. 1, Zhongke No. 2, Zhongke Jiahui 1293, Jia87, Jia67, Jiahui 193, Jiahui 448. Indica rice and japonica rice varieties (materials) aimed at screening evaluation criteria were used as donor parents for high-quality rice breeding. Control varieties: Jia 58, Jiahui 193.

[0027] A test method for alkali digestion value, a method for measuring rice quality, and an application of the test method for alkali digestion value as the identification of alkali digestion value of a single plant in large-group rice breeding materials, and the method for measuring rice quality as a method for single-plant selection in large-group rice breeding The application of rice quality identification includes t...

Embodiment 2

[0054] Example 2 Using the present invention to breed a high-quality restorer line Jiahui 891. Jiahui 891 is a high-quality restorer line. The self-selected Jiahui 193 and Jiahui 448 were crossed and promoted through multiple generations in two places a year. In the autumn of 2017 stereotyped. Specifically, starting from 2017, Jiahui 193 and Jiahui 448 were used as parents, and after multi-generation selection and breeding after crossing, the identification and screening of F5 generation intermediate strains after selfing. The selection included 20 lines that reached the breeding target standard in terms of yield, resistance, and appearance quality. One single plant was selected for each line, and the numbers were WF51-1~WF51-20. In this example, the alkali digestion value of 20 individual plants was identified by improving the determination method of alkali digestion value, so as to further screen materials with high alkali digestion value.

[0055] This identification inclu...

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Abstract

The invention belongs to the technical field of agricultural production, and particularly provides an alkali spreading value test method, a rice quality determination method and application thereof. The alkali spreading value test method is characterized in that: a sample adopts brown rice with two ends cut off; as the grading of alkali spreading values is determined according to the observed decomposition condition of the rice grain, if the decomposition degree is that the rice grains are not dissolved, determining alkali spreading values to be 1-5 grades; and if the decomposition degree is that the rice grain is partially dispersed and dissolved or completely dispersed and dissolved, determining the alkali spreading values to be 6-7. Compared with the prior art, the alkali spreading value test method is fast, efficient and cost-saving.

Description

technical field [0001] The invention belongs to the technical field of agricultural production, in particular to the improvement of the traditional alkali digestion method, and relates to an improved alkali digestion method, its application and its identification method for rice breeding. Background technique [0002] Rice is one of the most important food crops in the world. With the increasing living standards of urban and rural residents, people's consumption demand for rice is also changing, and the quality requirements for high-quality edible varieties are getting higher and higher. On the basis of high yield, high-quality rice is a new direction for rice breeding. Rice quality is divided into six categories: rice milling quality, appearance quality, nutritional quality, cooking quality, eating quality and hygienic quality. Because some of the above quality indicators are relatively subjective, people have studied many objective physical and chemical qualities related t...

Claims

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Application Information

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IPC IPC(8): G01N33/00
Inventor 余剑锋高荣村付习陆金根
Owner ZHEJIANG JIAXING AGRI SCI ACADEMY INST
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