1, look at the color, the new pepper seeds are mostly light yellow, and the old seeds are mostly khaki.

2, look at the appearance, the new seeds are smooth and shiny, and the old seeds are dull.

3, smell the taste, the new seeds are obviously spicy and pungent, and the old seeds are light.

4. Newly-bought pepper seeds can be stored in the environment with the temperature lower than 65438 05℃ and the air relative humidity lower than 60%. Generally, seeds with water content of about 7%- 14% can be preserved for about 2 years.

5. Pepper seeds are flat kidney-shaped, about 3-5 mm long and light yellow in color. The suitable germination temperature is 23-30℃, and it can't germinate below 65438 05℃. The soil for planting pepper requires good drainage, convenient irrigation and deep ploughing.