干旱区研究

干旱区研究 >

2025 , Vol. 42 >Issue 7: 1291 - 1300

DOI: https://doi.org/10.13866/j.azr.2025.07.12

植物生态

贮藏方式对不同颜色新疆沙冬青种子萌发与活力的影响

  • 林芷叶 ,
  • 王建成 ,
  • 朱成林 ,
  • 苏志豪
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  • 1.新疆师范大学生命科学学院，新疆特殊环境物种保护与调控生物学实验室，新疆 乌鲁木齐 830017
    2.中国科学院新疆生态与地理研究所，新疆 乌鲁木齐 830011
林芷叶（1999-），女，在读硕士研究生, 主要从事植物生态学研究. E-mail: 19865096765@163.com
苏志豪. E-mail: suzh@xjnu.edu.cn

收稿日期: 2025-01-06

  修回日期: 2025-04-08

  网络出版日期: 2025-07-07

基金资助

新疆维吾尔自治区自然科学基金资助项目(2024D01E07);中国科学院“西部青年学者”项目(2021-XBQNXZ-010)

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Effects of storage methods on the seed germination and viability of Ammopiptanthus nanus with different colors

  • LIN Zhiye ,
  • WANG Jiancheng ,
  • ZHU Chenglin ,
  • SU Zhihao
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  • 1. Xinjiang Key Laboratory of Special Species Conservation and Regulatory Biology, College of Life Science, Xinjiang Normal University, Urumqi 830017, Xinjiang, China
    2. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, Xinjiang, China

Received date: 2025-01-06

  Revised date: 2025-04-08

  Online published: 2025-07-07

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摘要

新疆沙冬青（Ammopiptanthus nanus）是中亚荒漠区特有的濒危常绿灌木，具有极强的抗寒抗旱能力，是探究植物适应极端环境机制的模式物种，也是荒漠生物多样性保育研究的重点对象。本文以黑色和绿色两种颜色新疆沙冬青种子为研究对象，研究新采收种子与3种贮藏方式后的种子萌发与活力。结果表明：新采收种子萌发率随着培养温度增加而提高，且新采收种子活力达100%。两种颜色的种子在干冷、干热贮藏方式下萌发差异显著，绿色种子萌发率显著高于黑色种子（P<0.05），而在湿冷贮藏下萌发差异不显著。湿冷贮藏促进种子萌发，而干冷、干热贮藏抑制其萌发。3种贮藏方式对两种颜色的种子活力影响较小，贮藏后活力均达95%以上。温度与湿度是影响新疆沙冬青种子萌发与活力的重要生态因素，种子萌发差异是其适应恶劣生境的进化策略，有利于提高其生存与繁衍能力。湿冷贮藏有效提高种子萌发率与维持活力，为种质资源保护与苗圃育种提供技术指导。

关键词： 新疆沙冬青; 种子萌发; 种子活力; 贮藏方式

本文引用格式

林芷叶 , 王建成 , 朱成林 , 苏志豪 . 贮藏方式对不同颜色新疆沙冬青种子萌发与活力的影响[J]. 干旱区研究, 2025 , 42(7) : 1291 -1300 . DOI: 10.13866/j.azr.2025.07.12

Abstract

Ammopiptanthus nanus is an endangered evergreen shrub that is endemic to the desert area of Central Asia. It exhibits strong cold and drought resistance, serves as a model species for examining the mechanisms of plant adaptation to extreme environments, and is a focus of conservation research in desert biodiversity. In this study, black and green Ammopiptanthus nanus seeds were used to study the germination and viability of newly harvested seeds and their storage by three methods. The results indicated that the germination rate of the newly harvested seeds increased with an increase in temperature, and the viability of the newly harvested seeds reached 100%. There was a significant difference in the germination of seeds with the two colors under dry-cold and -hot storage conditions, with green seeds showing significantly higher germination rates compared with black seeds (P<0.05). However, there was no significant difference in germination under wet-cold storage conditions. Wet-cold storage promoted seed germination, whereas dry-cold and -hot storage resulted in inhibition. The three storage methods had little effect on the viability of either color seed, and viability after storage was >95%. Temperature and humidity are important ecological factors that influence seed germination and viability in Ammopiptanthus nanus. The difference in seed germination represents a strategy for adapting to harsh habitats, which is conducive to increasing its survival and reproduction ability. Wet-cold storage increases the seed germination rate and maintains viability, thus providing valuable technical guidance for the conservation of germplasm resources and nursery breeding.

Key words： Ammopiptanthus nanus; seed germination; seed viability; storage method

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