First, the seeds are placed in 50-55°C hot water, soaked in a constant temperature for 15-20 minutes, and continuously agitated. When the water temperature drops, hot water is added to keep the water temperature between 50-55°C. After 20 minutes cold water is added. To 20 ~ 30 °C.
The second is to soak in 10% trisodium phosphate solution for 20 minutes and rinse with clean water. After the seeds are sterilized, put them into water at about 25°C. After soaking at room temperature for about 12 hours, soaking and germination.
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