Four major inspection items for seed quality
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Seed clarity refers to the percentage of the weight of normal seeds in a given amount of seeds (including impurities other than normal seeds). A 100% clarity indicates that the seed has no impurities. When the seed purity test is performed, the seed epidermis is carefully inspected. Therefore, when the test is performed, a blower-type cleanness meter is required to perform initial separation of seeds and impurities, and the seed cleanliness analysis platform is used to perform the test. The epidermis of the seeds was further observed.
Seed purity is a relatively difficult test to make sure. At the very beginning of planting, it is necessary to pay attention. Do not let other species mix in and affect its purity.
The test of seed moisture content is carried out using 1000-grain weight. The number of seeds tested by different seeds is not the same. When the number of seeds is counted, they are counted directly by means of a photoelectric counting instrument or a seed counting instrument. This not only reduces the waste of time, but also guarantees accuracy to a certain extent.
The rate of seed germination is a project that farmers are most concerned about. The selection of seed germination environment should be paid attention to when the seed germination rate test is conducted. The seed germination environment usually has two groups. One group is outdoor, while the other group is in full compliance with the seed germination environment, such as using a seed germination box, and the final test results are obtained by using these two groups for comparative experiments.