"Hydrogen peroxide" is a mild etchant. Using it to treat spinach seeds can dissolve the glue attached to the spinach seed coat and make the seed coat become soft, enhance the seed coat permeability, and help the seeds to take root to sprout. “Hydrogen peroxide†can also be released in aqueous solution. Oxygen is very beneficial to spinach seedling growth. The specific method is as follows:
First, the solution preparation. The "hydrogen peroxide" stock solution was made into 1:45 water, and it was made into aqueous solution.
Second, soaking time. Pour the seeds into the solution and stir while stirring to make the seeds evenly absorb water. When the temperature is 20 to 30 degrees Celsius, soak for 60 to 90 minutes; the temperature at 30 degrees Celsius, soak for 30 to 50 minutes; when the temperature is below 20 degrees Celsius, the soaking time should be extended to 100 to 120 minutes.
Third, the seed germination. After the seeds are removed from the "hydrogen peroxide" aqueous solution, they are rinsed with fresh water 3 to 4 times. After the water is filtered, the water is collected in a container and covered with a wet cloth. If the seed is mature and full, there will be more than 85% of the seed germination in 5 to 7 days, and the seedlings will be 2 to 3 days after sowing, which will be 6 to 8 days earlier than conventional soaking.
Fourth, pay attention to matters. One is to use “hydrogen peroxide†aqueous solution before soaking seeds should be sun in the sun for 4 to 6 hours, and remove impurities and pods; Second, soaking seeds should be sowed after sowing, the soil should be moist; Third, after sowing Cover the soil 1 to 1.5 cm, cover with straw or straw for 2 days, and remove the covering after a few seedlings have been excavated.
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