1.After the dormancy in whole winter, the stem color would be changed into fulvous. 3 single lines with over 1% steroid sapogenin have been selected from those lines with near 1% steroid sapogenin.
利用筛选
配基含量接近1%
材料，选育配基含量超过1%单株品系3个。
, 茶色声
：
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