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Seed clarity is an important indicator of seed quality. Good seeds should not contain any impurities or other waste products. Seeds with low clarity have more impurities in the seeds, and their seed utilization rate is low, affecting the storage and transportation safety of seeds. The analysis of the seed's degree of purity in the test of seed quality was proposed once in 1996, but at that time the standard for seed competition was not high, but in the actual work, the phenomenon of unclearness of analysis often existed, and the international standards It is difficult to get in touch. This is one of the reasons for the gap between domestic and foreign countries. Thus, in 2008, a series of amendments were made to the original seed quality standards, including individual terms, quality characteristic values, and inspection rules. So far, with regard to the issue of seed quality, there have been relatively strict domestic standards. Seed companies and inspection agencies have begun to pay attention to the issue of seed quality. It is precisely because of the importance of the national team's seed's seed purity and other projects that it has led to the emergence of various types of seed testing instruments. The seed's clarity can be divided into two categories according to the measurement methods: Wind mechanics mainly includes seed winds. All three of the selected instruments, the air purity meter, and the blast-type cleanness meter are designed based on wind mechanics. There is also the use of optics, which mainly includes the work of seed clarity, multi-functional seed clarity, and so on, all of which are designed based on the refraction of light.
The detection of seed's clarity will be more focused in the near future, and the utilization of seeds will be improved through the regulation of seed's clarity.
Seed Clarity Detection in Domestic History
Seed clarity test in the history of domestic changes in the process of the general seed business households out of a certain amount of additional registration, but also supporting seed inspection equipment, inspection items in GB/T3543.2.3.4.5.6-1995 "crops There are provisions in the Seed Inspection Regulations, including the determination of the four indicators of seed cleanliness, moisture, germination, and purity. When these tests are performed, there are corresponding instruments, such as the following: In addition, the wind clarity meter, moisture seed moisture, germination test need to use seed germination boxes, etc., are indispensable in these detection instruments, and seed purity monitoring plays a decisive role in the seed detection process.