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作者中文名	作者英文名	单位中文名	单位英文名	E-Mail
赵宏友	ZHAO Hong-you	云南中医药大学中药学院，云南昆明650500	Yunnan University of Chinese Medicine，Kunming 650500，China
唐玲	TANG Ling	曲靖市麒麟区园林绿化管理处，云南曲靖655000	Landscaping Management Office of Qilin District in Qujing，Qujing 655000，China
彭建明	PENG Jian-ming	中国医学科学院药用植物研究所云南分所，云南景洪666100	Yunnan Branch of Institute of Medicinal Plant Development，Chinese Academy of Medical Sciences，Jinghong 666100，China
王艳芳	WANG Yan-fang	中国医学科学院药用植物研究所云南分所，云南景洪666100	Yunnan Branch of Institute of Medicinal Plant Development，Chinese Academy of Medical Sciences，Jinghong 666100，China
李荣英	LI Rong-ying	中国医学科学院药用植物研究所云南分所，云南景洪666100	Yunnan Branch of Institute of Medicinal Plant Development，Chinese Academy of Medical Sciences，Jinghong 666100，China
王延谦	WANG Yan-qian	中国医学科学院药用植物研究所云南分所，云南景洪666100	Yunnan Branch of Institute of Medicinal Plant Development，Chinese Academy of Medical Sciences，Jinghong 666100，China
张丽霞	ZHANG Li-xia	中国医学科学院药用植物研究所云南分所，云南景洪666100	Yunnan Branch of Institute of Medicinal Plant Development，Chinese Academy of Medical Sciences，Jinghong 666100，China	张丽霞，研究员，研究方向：热带药用植物资源及栽培；Tel：（0691）2134865，E-mail：13988194288@163.com

基金项目:国家重点研发计划项目（2017YFC1701102）；云南省重大科技专项（2018ZF011）

中文摘要:目的：建立阳春砂种子苗和分株苗的质量分级标准，规范阳春砂种苗生产流通，保障阳春砂规范化、规模化种植。方法：在全国砂仁主产区收集砂仁种子苗和分株苗，测定各种苗的株高、叶片数、丛芽数、球状茎粗、匍匐茎粗等指标，采用主成分分析和K类中心聚类法对数据进行分析并完成砂仁种苗分级。结果：阳春砂种苗可分为2个种类，每个种类2个等级。Ⅰ级种子苗：苗高≥40 cm，丛芽数≥3个；Ⅱ级种子苗：15 cm≤苗高＜40 cm，1个≤丛芽数＜3个；Ⅰ级分株苗：60 cm≤苗高＜110 cm，5片≤叶片数＜10片；Ⅱ级分株苗：110 cm≤苗高＜180 cm，10片≤叶片数＜20片。结论：阳春砂种苗质量分级标准适用于该药材的规范化生产。

中文关键词:阳春砂种子苗分株苗分级标准

Study on Seedlings Quality Grading Standard of Amomum villosum Lour.

Abstract:Objective：To establish the seedlings quality grading standard of Amomum villosum Lour.，and provide guidance for seedlings standardization production of A.villosum. Methods：Seedlings of A.villosum including seed seedlings and ramet seedlings，which were collected from the main production area of China，the main quality indicators including plant height，leaf number，tiller number，spheroid stem diameter and stolon stem diameter were observed，and principal component and K-mean clustering method were used to analyze the data and establish the seedling quality grading standard. Results：The seedlings of A.villosum were divided into 2 grades，the seed seedlings with plant height ≥40 cm，tiller number ≥3 class were divided into the I grade，the seed seedlings with plant height of 15-40 cm，tiller number of 1-3 were divided into the Ⅱ grade. The ramet seedlings with plant height of 60-110 cm，leaf number of 5-10 were divided into the I grade，the ramet seedlings with plant height of 110-180 cm，leaf number of 10-20 were divided into the Ⅱ grade. Conclusion：The seedlings quality grading standard of A.villosum are suitable for its normalized production.

keywords:Amomum villosum Lour. seed seedlings ramet seedlings grading standard

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