醉马草种子萌发对增温和降雨变化响应的研究进展

doi:10.11733/j.issn.1007-0435.2022.09.008

草地学报 ›› 2022, Vol. 30 ›› Issue (9): 2291-2297.DOI: 10.11733/j.issn.1007-0435.2022.09.008

醉马草种子萌发对增温和降雨变化响应的研究进展

田伟涛¹, 张耀丹², 夏江¹, 李超锋³, 李庆伟², 徐井润², 董乙强⁴, 吴淑娟², 袁晓波²

1. 新疆昌吉州草原站, 新疆昌吉 831100;
2. 兰州大学草地农业科技学院, 甘肃兰州 730020;
3. 新疆瑞昶设计院有限公司, 新疆乌鲁木齐 830000;
4. 新疆农业大学草业学院, 新疆乌鲁木齐 830052

收稿日期:2022-04-18 修回日期:2022-06-10 出版日期:2022-09-15 发布日期:2022-09-30
通讯作者: 袁晓波,E-mail:yuanxb@lzu.edu.cn
作者简介:田伟涛(1968-),男,新疆昌吉人,学士,高级兽医师,主要从事草原生态保护及生态环境建设,E-mail:820203523@qq.com
基金资助:
国家自然科学基金青年科学基金项目（32101445）；新疆维吾尔自治区自然科学基金项目（2020D01B29）；昌吉州退化草原修复治理醉马草防治试验示范区项目（XJYHZB2021-189-190-191）资助

Research Progress on the Response of Achnatherum inebrians Seed Germination to Warming and Rainfall Changes

TIAN Wei-tao¹, ZHANG Yao-dan², XIA Jiang¹, LI Chao-feng³, LI Qing-wei², XU Jing-run², DONG Yi-qiang⁴, WU Shu-juan², YUAN Xiao-bo²

1. Grassland Station of Changji, Changji, Xinjiang Province 831100, China;
2. College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, Gansu 730020, China;
3. Xinjiang Ruichang Design Institute, Urumqi, Xinjiang 830000, China;
4. College of Grassland Science, Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China

Received:2022-04-18 Revised:2022-06-10 Online:2022-09-15 Published:2022-09-30

摘要/Abstract

摘要： 种子萌发是植物生活史中最为脆弱和关键的阶段，受温度和水分等环境因素调控。醉马草（Achnatherum inebrians）为多年生有毒草本植物，其种子产量高且易于定植，严重影响区域畜牧业生产和草地生态平衡。已有众多关于增温和降水变化对醉马草种子萌发的影响研究，但多聚焦于种子萌发特征。本文基于现有研究综述了醉马草种子萌发对增温和降水变化的响应，并发现：醉马草种子萌发对温度和水分有一定的耐受性，但未深入探讨其应对干旱、低温等逆境的机理；高温、干旱等逆境下内生真菌可促进醉马草种子萌发，但调控机理仍不明晰；缺少增温和降水变化交互作用对醉马草种子萌发影响的研究。基于此，将来应开展多因子试验，结合转录组学等手段，阐明全球气候变化背景下醉马草种子萌发特性并厘清内生真菌调控种子萌发的机理，为深入开展醉马草防控提供理论依据。

关键词: 温度, 水分, 气候变化, 醉马草, 种子萌发

Abstract: Seed germination is the most fragile and critical stage in life the cycle of plants, which is regulated by environmental factors such as temperature and water. Achnatherum inebrians is a perennial poisonous grass, it has high seed yield and strong adaptability, affecting regional animal husbandry production and grassland ecological balance. Up to now, a number of basic research on the effects of warming and precipitation changes on the germination of A. inebrians seeds has been conducted, but most of them focus on the germination performance. Based on the existing research results, this paper reviewed the response of A. inebrians seed germination to the changes in temperature and precipitation and found that:The seeds of A. inebrians showed a certain tolerance to temperature and water during the germination process. However, the molecular mechanism of its response to drought, low temperature, and other adversity stresses have not been thoroughly explored;Endophyte fungi could promote the germination of A. inebrians seeds under adversity conditions such as high temperature and drought, but the regulatory mechanism was still unclear;There is a lack of research on the interaction of warming and changes in precipitation on the germination of A. inebrians seeds. Therefore, the follow-up research can be designed with multi-factor experiments, combined with multi-omics analysis methods, to elucidate how A. inebrians seeds cope with stress such as drought and low temperature and the mechanism of endogenous fungi to promote the germination of A. inebrians seeds, in order to provide theoretical basis for the control of A. inebrians.

Key words: Temperature, Water, Climate change, Achnatherum inebrians, Seed germination

中图分类号:

S812

田伟涛, 张耀丹, 夏江, 李超锋, 李庆伟, 徐井润, 董乙强, 吴淑娟, 袁晓波. 醉马草种子萌发对增温和降雨变化响应的研究进展[J]. 草地学报, 2022, 30(9): 2291-2297.

TIAN Wei-tao, ZHANG Yao-dan, XIA Jiang, LI Chao-feng, LI Qing-wei, XU Jing-run, DONG Yi-qiang, WU Shu-juan, YUAN Xiao-bo. Research Progress on the Response of Achnatherum inebrians Seed Germination to Warming and Rainfall Changes[J]. Acta Agrestia Sinica, 2022, 30(9): 2291-2297.

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醉马草种子萌发对增温和降雨变化响应的研究进展

Research Progress on the Response of Achnatherum inebrians Seed Germination to Warming and Rainfall Changes

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