Identification of the authenticity of seedless watermelon seeds

Seedless watermelon is the main type of watermelon planted on a large scale. It is a hybrid of tetraploid watermelon and double watermelon (common seeded watermelon), namely triploid watermelon. In production, the triploid watermelon seeds are often produced by artificial isolation of tetraploid watermelon. In a few cases, due to the incompleteness of tetraploid watermelon in the process of seed production, there is a small amount of tetraploid watermelon mixed with seedless watermelon (triploid watermelon), which is a fake seedless watermelon. Tetraploid watermelons are not as good as triploid watermelons in terms of yield traits and quality, so four times watermelon seeds must be removed from seedless watermelons. If the removal is not complete, the tetraploid watermelon species may still be mixed in the seedless watermelon. In some cases, some people deliberately mixed four times of watermelon or two-piece watermelons into the agricultural knowledge of seedless watermelons, and more attention should be paid to clearing them.

It can be distinguished according to the above three types of watermelon species. The seed embryos of seedless watermelon seeds (triploid seeds) are not full, the surface of the seed shell is often uneven, the umbilical part of the umbilical part is protruding, and the seed shell has deeper cork longitudinal splitting, and the seed is obviously smaller than the double body. Watermelon is big. The seed embryos of the tetraploid watermelon seeds are enriched, and the seeds are round and strong, which is obviously different from the seedless watermelon species. In addition, the surface of the tetraploid watermelon has a protuberance, and the seed coat generally has a cork-like longitudinal split, the umbilicus.

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