常规母种培养基为ＰＤＡ，这对一般生产者很难办到，笔者用碎玉粒扩繁母种，收到较好效果。 选择无霉变的干燥玉米粒，经粉碎机去皮粉碎成米粒大小，在石灰水中浸２～３小时，水洗无混浊时，调ｐＨ值，沥水３～５分钟，象蒸馍一样隔水蒸５～１５分钟至８成熟，取出放入盆内，趁 Conventional parent culture medium for the PDA, which is difficult for the average producer, I use broken jade tablets multiplication mother, received good results. Select mildew-free dried corn kernels, peeled and crushed by a crusher crushed rice size, soaked in lime water 2 to 3 hours, no turbidity when the water, adjust pH, drain 3 to 5 minutes, 5 to 15 minutes to 8 mature, remove the basin, take advantage of