Some peasant friends exposed the selected seeds on the cement field to make the seeds drier and the budding rate was higher at the time of sowing. In fact, the opposite is true.
The seeds can be air-dried. The temperature is generally 20 to 25 degrees Celsius. If exposed to the sun, especially on the cement field, it can reach a high temperature of 60 degrees, which is very tolerant of damaging the endosperm and germ and reducing the budding rate.
Endosperm is an integral part of plant seeds. It contains nutrients such as starch, fat, and protein at the periphery of the embryo, and is an essential nutrient for embryo development. If the endosperm is destroyed, the embryo loses its nutrient supply and the embryo loses its budding function. Therefore, the seeds should not be exposed to sunlight.
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