How to identify good and bad seeds in spring plowing?
corn. The color of high-quality corn seeds is consistent, the embryo and endosperm parts are not moldy or rotten, and there is no mechanical damage. Some farmers mistakenly believe that seeds with black spots on the embryo site are not germinating seeds. That is an illusion. As long as the embryo site of corn does not suffer from frostbite, it is a good seed even if the embryo site is black.
Soybeans. The seed coat of high-quality soybean seeds is yellow and shiny, and the two cotyledons are fresh and bright yellow. After breathing, there is no moisture adhesion on the seed coat, and there is no special smooth color. The color of the seed coat of the inferior seed becomes dark or oily, and the two cotyledons are dark yellow or brown when biting open, and the color of the edge of the watercress is particularly obvious. The water vapor adheres to the seed coat and appears smooth in color.
peanut. High-quality peanut seeds are generally full and plump, with sharp embryo tips, prominent sprout discs, pink seed coat, and white navel at the top. The seed coat is easily separated from the seed by rubbing the seed coat by hand. The surface of inferior peanut seeds shrank, the seed coat turned yellow-brown or deep red, and the top navel and cotyledons appeared oily. After 2 hours of soaking in water, the seed coat had water-soaked spots, and the cotyledons were easily separated.
cucumber. The epidermis of high-quality cucumber seeds is milky white or white, shiny, and the end burrs are sharp. When you put your hand into the seed bag and pull out, there are often a lot of seeds hanging; the seed coat is tough, and the slices can be connected when peeled. The kernels are pressed into mud on the paper, and the paper is dyed and discolored by the grease. The epidermis of inferior seeds is dull, with yellow spots, and the end burr is relatively blunt. When the hand is inserted into the seed bag and pulled out, the seeds are rarely caught by the hand; the seed coat is relatively brittle, and it is not easy to connect when peeling. The seed kernel is pressed on the paper In sheet form, the paper is not easy to be dyed and discolored by grease.
tomato. The seed hairs of high-quality tomato seeds are neat, obliquely grown, long and soft, rubbed by hand, no thorny feel, and the seed hairs are not easy to be rubbed off; cut the seeds, the seed kernels are easy to squeeze out, and the seeds are milky white, and the seed kernels are pressed into a mud with your nails , Grease can be printed and dyed on paper, and the palm of the hand has a tingling sensation. Inferior seed hairs are easy to be rubbed off or messed up. The seeds are not easy to squeeze out when the seeds are cut. The kernels are yellow and white after being squeezed out. The seed kernels are pressed into flakes with nails, and they are less oily and not easy to stain paper.
chili. The epidermis of high-quality pepper seeds is dark beige, the navel is orange-yellow, shiny, soft and not easy to be cut, and has a strong spicy taste. The epidermis of the inferior seeds is light beige, the navel is light orange or no orange, without luster, the teeth are hard and brittle, easy to be cut, with little or no spicy taste.
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