Corn: High-quality corn hybrids, uniform color, embryo and endosperm parts do not change color, and there is no mechanical damage and pods. Some peasant friends mistakenly think that black spots on the embryonic parts are considered to be seeds that do not germinate. This is not correct. As long as the embryonic parts of corn are not frozen, even black spots are still good seeds and can be used.
Soybeans: Normal soybean seed coats are yellow and glossy. The two watercress are fresh and yellow, and there is no water vapor adhesion on the seed coat and no special smooth luster. Some oil-depleted soybean seeds have lost their vitality and can no longer be used as seeds. They are characterized by the dullness of the seed coat or the appearance of greasy stains. They bite off two bean-pies and are dark yellow or brown in color. They are dull, and the edges of the bean-leaves are particularly luscious. Obviously, there is moisture adhesion on the seed coat and the appearance of smooth color.
Peanut: good peanut seeds are full of fruit, sharp embryonic heads, prominent buds, pink seed coats, white umbilicus at the top, easily separated from seeds by hand; skin seeds that lose vitality are shrunken and seeded. The skin becomes yellow-brown or dark red, and the top umbilicus and two peanut flaps appear oily. After 2 hours of soaking, the seed coats are immersed in spots, and the two peanut flaps are easily separated. Such peanuts can no longer be used as seeds.
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