Some farmers' friends spread the selected seeds on the cement field, thinking that the more dry the seeds are, the higher the rate of germination during sowing. In fact, the opposite is true.
The seeds can be air-dried at a temperature of 20 ° C to 25 ° C. If it is exposed to the sun in the hot sun, especially on the cement field, the ground temperature can be as high as 60 ° C, which easily destroys the endosperm and germ. The endosperm is a component of plant seeds, which is surrounded by the embryos and contains nutrients such as starch, fat and protein. It is a nutrient necessary for embryo development. If the endosperm is destroyed, the embryo loses its nutrient supply and the germ loses its budding function. Therefore, the seeds should not be exposed to the sun, especially when it is not suitable for drying on cement or tarmac.
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