The quality of vegetable seeds is directly related to yield benefits. Some vegetable seeds must be sown with new seeds of the year, and some must be seeded with the collected seed. At present, it is during the period of preparation for the collection and exchange of some vegetable seeds. In order to facilitate the adjustment of the industrial structure, increase economic efficiency, and development of vegetable production by the majority of farmers, the following briefly introduces the effective storage period of some vegetable seeds and the identification method of new seeds. .

Pepper seeds: The effective storage period for pepper seeds must not exceed 3 years. For more than three years, not only the germination rate is low, but after some of the seeds have emerged and emerged, their yield is not high. Therefore, when buying seeds, be sure to carefully observe the color of the seeds. The new seeds are golden yellow, and the seeds are apricot yellow. If the pepper seeds turn brown, it means that if the seeds have been stored for at least 3 years, they cannot be seeded at all.

Cucumber seeds: The effective storage period for cucumber seeds should not exceed 3 years at most. For more than 3 years, the emergence rate should be reduced by 30%-40%. Although some cucumber seeds can emerge after sowing, they often have cotyledons without needles and cannot survive. Fresh cucumbers can be identified by looking at the colors, smelling, and germination. Look at the color: The skin of the new seed is light white and shiny. After the skin was peeled off, the nuts were white, with fine hair tips on top. The husks of the Chenzi seeds are khaki, dark in color, and the darker they are, the longer the storage time. After the skin was peeled off, the nuts became black and there was a little black on the top. Smell smell: New seeds with a generally rotten cucumber sour. Chenzi is not sour with sour cucumber, and has a slightly earthy odor. Try to germinate: When the new seed just buds, the skin tightly encloses the bud tip, and for a week or so, the skin starts to crack, and the pods of the buds of the seeds are cracked.

Cabbage Seeds: The storage period for cabbage seeds is within 2 years. The seeds that were harvested that year can be sown directly, and can still be planted in the second year. For seeds older than 2 years, the seedling emergence rate after sowing is generally reduced by about 20%, and it is highly susceptible to germs. The longer the storage period, the lower the emergence rate and the worse the ability to resist diseases. Moreover, the storage of cabbage seeds must be stored in a cool and dry place. Do not store in water-impermeable containers such as water tanks or iron drums. Rabbits will damage the seeds and affect the emergence rate. Shiny bright new seeds, dim worm eyes or insect silk for the Chen seeds.

Coriander Seeds: Coriander seeds harvested that year must be kept for 1 year before they can be planted, but their storage period must not exceed 3 years. The new coriander seeds are rich in flavor, and Chen's coriander seeds are light in taste.

Celery seed: The celery seed can be stored for 5 years, but when the celery seed is produced annually, it cannot be seeded. It must be stored for 1 year before planting. In order to affect the germination rate in advance. The new-seeded celery has a stronger flavor, and the celery taste of Chense qi that is stored for more than 2 years is lighter.

Eggplant seeds: The shelf life of eggplant seeds is 6 years. Seeds above 6 years old have relatively low seedling emergence and survival rates. The skin of the new seeds is glossy. This luster gradually becomes dull with the extension of its storage time. This is Chenzi.

Onion Seeds: In the summer, onions are sown, and the onion seeds harvested in the spring must be used. If you use the first year of onion seeds as a seed, the yield will be low. After the onion grows, seeding will occur. Its shelf life is within 1 year.

Leek seeds: When sowing leek, you must use the new seeds of the year. If the seeds of the next year are planted, it will be difficult for them to emerge. Even if some of them have emerged, they will gradually wither and die after a few days. However, if the leeks seeds are stored in a warehouse below zero degrees Celsius, they can still be planted in the second year. The new bright color is new seeds, dark purple gray for the Chen seeds.

Red seed in the snow: The red seed in the snow is valid for 5 years. The seeds that were harvested in that year could not be planted in the same year. Even if they were seeded, their seedling emergence rate was very low and they did not even emerge at all. Therefore, it is better to choose the seeds that are stored for more than one year to grow red Chinese cabbage.

Tomato Seeds: Tomato seeds have a shelf life of 4 years and their emergence rate is quite low for more than 4 years. New tomato seeds should be carefully observed. There is a small layer of hair on the seeds and a spoiled tomato flavor. Chen Zi's skin was covered with small velvet hair and the smell of corruption was light or disappeared.

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