Study on Dormancy and Breaking Methods of Meconopsis punicea Maxim.

doi:10.11733/j.issn.1007-0435.2021.02.024

Acta Agrestia Sinica ›› 2021, Vol. 29 ›› Issue (2): 402-406.DOI: 10.11733/j.issn.1007-0435.2021.02.024

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Study on Dormancy and Breaking Methods of Meconopsis punicea Maxim.

CHEN Hong-gang¹, ZHAO Wen-long¹, JIN Lin¹, LI Yan¹, LIU Zi-han², DU Tao¹

1. Gansu University of Chinese Medicine, Lanzhou, Gansu Province 730000, China;
2. Gansu Herbal Medicine Planting Co., Ltd., Lanzhou, Gansu Province 730000, China

Received:2020-09-08 Revised:2020-10-07 Online:2021-02-15 Published:2021-02-25

红花绿绒蒿种子休眠及破除方法研究

陈红刚¹, 赵文龙¹, 晋玲¹, 李岩¹, 刘孜瀚², 杜弢¹

1. 甘肃中医药大学, 甘肃兰州 730000;
2. 甘肃百草中药材种植有限公司, 甘肃兰州 730000

通讯作者: 杜弢
作者简介:陈红刚(1982-),男,甘肃天水人,硕士,实验师,主要从事药用植物资源保护及开发利用研究,E-mail:yiao1102@126.com
基金资助:
国家自然科学基金（81760752）；第四次全国中药资源普查甘肃省专项（GSZYPC2018Z30）；现代农业产业技术体系建设专项（CARS-21）资助

Abstract

Abstract: In order to explore the dormancy reasons and breaking methods of M. punicea,analysis of seed anatomical structure,seed activity,determination of water absorption rate,seed embryo rate and germination index before and after sand storage of M. punicea were carried out. The result showed that the embryo development of M. punicea was mostly in spherical or heart-shaped embryo stage,and was not mature. The seeds contained germination inhibitors,and the seed coat did not cause permeability obstacles to their germination. The seed dormancy type is morphological and physiological dormancy,and low temperature stratification is an effective method to break the seed dormancy of M. punicea.

Key words: Meconopsis punicea, Seed dormancy, Breaking method

摘要： 为探究红花绿绒蒿（Meconopsis punicea Maxim.）种子休眠的原因及破除方法，本研究对红花绿绒蒿种子进行了结构分析及生物活性测验，并测定了种子吸水率及沙藏前后种子的胚率及发芽指标。结果表明：红花绿绒蒿的胚发育时期多处于球形或心形胚时期，未发育成熟，种子内含有萌发抑制物质，种皮对其萌发不造成透性障碍，种子休眠类型为形态生理休眠。低温层积是破除红花绿绒蒿种子休眠的有效方法。

关键词: 红花绿绒蒿, 种子休眠, 破除方法

CLC Number:

S330.3+3

CHEN Hong-gang, ZHAO Wen-long, JIN Lin, LI Yan, LIU Zi-han, DU Tao. Study on Dormancy and Breaking Methods of Meconopsis punicea Maxim.[J]. Acta Agrestia Sinica, 2021, 29(2): 402-406.

陈红刚, 赵文龙, 晋玲, 李岩, 刘孜瀚, 杜弢. 红花绿绒蒿种子休眠及破除方法研究[J]. 草地学报, 2021, 29(2): 402-406.

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Study on Dormancy and Breaking Methods of Meconopsis punicea Maxim.

红花绿绒蒿种子休眠及破除方法研究

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