１温水烫种先将种子放入容器中，加少量凉水后慢慢倒入５５℃的热水，边倒水边搅拌，直至水温降到常温时为止，时间约为１０～１５分钟。烫种后常温下浸种３～４小时。为防治病毒病，可用１０％磷酸三钠浸种２０分钟，然后再清水洗净。２催芽　浸种后用干净湿布（或温毛巾）包 1 warm hot seeds first seeds into the container, add a small amount of cold water and slowly poured into 55 ℃ hot water while pouring water while stirring until the water temperature dropped to room temperature, the time is about 10 to 15 minutes. After hot seeds soaked at room temperature for 3 to 4 hours. To control the virus disease, available 10% trisodium phosphate soaking 20 minutes, and then washed with water. 2 after germination and soaking with a clean damp cloth (or warm towel) package