Agriculture, animal husbandry, fishing and forestry/seed testing

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This standard specifies the biochemical (tetrazole) determination of seed viability, seed health determination, seed weight determination, and quality inspection methods for coated seeds. This standard is applicable to the detection of crop seed quality

2 Reference Standards

GB/T 3543.2 Crop Seed Inspection Regulations, Sampling GB/T 3543.3 Crop Seed Inspection Regulations, Purity Analysis GB/T 3543.4 Crop Seed Inspection Regulations Germination Test 3 Terminology 3.1 Seed Viability The potential ability of seed germination or the vitality of seed embryos.

. 3.2 Seed Health: Does the seed carry pathogenic bacteria (such as fungi, bacteria, and viruses) and harmful animals (such as nematodes and pests). 3.3 Incubation: Maintain seeds in an environment conducive to pathogen or disease development for cultivation. 3.4 The weight of 1000 seeds is the weight of 1000 seeds with water content specified in the national seed quality standard, in grams. 3.5 Pellet seeds are precision sown, and the entire batch of seeds is usually made into a single spherical seed unit without significant differences in size and shape. The pellets added to the pelletized seeds may contain insecticides, dyes, or other additives. 3.6 Encapsulated seed The shape of the seed is similar to the original seed unit, and its size and weight can vary from large to small. The coating material may contain insecticides, fungicides, dyes, or other additives. 3.7 Seed blankets Seed mats are randomly arranged in strips, clusters, or scattered throughout a wide and thin blanket material (such as paper or other low-level materials). 3.8 Seed tapes Seed tapes are randomly arranged in clusters or single rows on narrow banded materials (such as paper or other low-level materials)

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