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‘中梗1号’、‘中梗2号’和‘中梗3号’是利用雄性不育系GP1BC1-12-11配制选择出的桔梗一代杂种,生长势强,根部药材产量高,抗立枯病。2年生‘中梗1号’桔梗总皂苷含量2.45%,桔梗皂苷D含量0.092%,侧根少,适于饮片加工。‘中梗2号’桔梗总皂苷含量2.89%,桔梗皂苷D含量0.097%,适于提取加工。‘中梗3号’桔梗总皂苷含量2.59%,桔梗皂苷D含量0.077%,粗纤维含量低,适于食用和药用。
’Zhongti 1’, ’Zhongti 2’ and ’Zhongti 3’ are hybrids of the elder generation selected from the male sterility line GP1BC1-12-11 with strong growth potential, high yield of root medicine, Bacterial disease. 2-year-old ’Terrier 1’ Platycodon total saponin content of 2.45%, platycodin D content of 0.092%, less lateral roots, suitable for processing Pieces. ’Zhongjie 2’ Campanulaceae total saponin content of 2.89%, platycodin D content of 0.097%, suitable for extraction and processing. ’Zhongjie 3’ Campanulaceae total saponin content of 2.59%, platycodin D content of 0.077%, crude fiber content is low, suitable for food and medicinal.