Method for judging deteriorated rice seeds based on gluconic acid content change ratio

Abstract

The invention belongs to the field of rice seeds, and discloses a method for judging deteriorated rice seeds based on a gluconic acid content change ratio. The method comprises the following steps: extracting gluconic acid in rice seeds, and quantitatively determining the content of gluconic acid in the rice seeds; taking the gluconic acid content in the new rice seeds measured by the method as areference vitality index of the rice seeds, and measuring the gluconic acid content in the rice seeds of which the seed vitality needs to be judged; calculating the ratio K of the gluconic acid content in the rice seeds of which the seed vigor needs to be judged to the reference vigor index of the rice seeds; calculating the ratio of the gluconic acid content of the rice seeds which are naturallyaged for 2 years to the reference vitality index of the rice seeds, and recording the ratio as K1; judging whether the stored rice seeds belong to deteriorated seeds or not according to whether the Kvalue is larger than or equal to K1 or not, and judging that the stored rice seeds belong to the deteriorated seeds when the K value is larger than or equal to K1.

Description

technical field [0001] The invention belongs to the field of rice seeds, in particular to a method for discriminating deteriorating rice seeds based on the ratio of changes in gluconic acid content. Background technique [0002] Rice seeds are important agricultural production materials. With the change of sowing methods and the frequent occurrence of extreme weather, the requirements of agricultural production on the quality of seed sowing are increasing year by year. Due to the unpredictability of the production of seeds, especially hybrid rice seeds, it is often necessary to store the seeds. During the storage process, the seeds will inevitably experience an irreversible change process of vigor decline, that is, seed deterioration or aging, resulting in a serious decline in germination rate, emergence rate and production potential, and serious rice production benefits. One of the most common situations in the actual production and application in the south is that rice s...

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Problems solved by technology

[0003] For a long time, the judgment of seed deterioration mainly relies on the determination of germination rate and seedling growth rate. However, the determination of seed germination rate is time-consuming and labor-intensive. Second, there are many factors that affect data changes, such as the temperature at the time of measurement. , the amount of water absorbed by the seeds, etc.

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