不同生境条件下醉马草芽库的动态变化特征

doi:10.6048/j.issn.1001-4330.2021.05.019

新疆农业科学 ›› 2021, Vol. 58 ›› Issue (5): 947-954.DOI: 10.6048/j.issn.1001-4330.2021.05.019

• 农产品分析检测·贮藏保鲜加工·草业·畜牧兽医 • 上一篇下一篇

不同生境条件下醉马草芽库的动态变化特征

赛米拉克孜·台外库力, 靳瑰丽, 安沙舟, 董乙强

新疆农业大学草业与环境科学学院/新疆草地资源与生态重点实验室,乌鲁木齐 830052

收稿日期:2020-05-08 出版日期:2021-05-20 发布日期:2021-05-26
通信作者: 安沙舟(1956-),男,陕西富平人,教授,博士,博士生导师,研究方向为草地资源与生态,(E-mail)xjasz@126.com
作者简介:赛米拉克孜·台外库力(1987-),女,新疆乌鲁木齐人,博士研究生,研究方向为草地资源与生态,(E-mail)844833775@qq.com
基金资助:
国家重点研发计划“科技基础资源调查”专项课题(2017FY100201);新疆农业大学研究生科研创新项目(XJAUGRI2018009)

Characteristics of Bud Bank Dynamic Changes in Different Habitats of Achnatherum inebrians

Saimilakezi Taiwaikuli, JIN Guili, AN Shazhou, DONG Yiqiang

Key Laboratory of West Arid Region Grassland Resources and Ecology/College of Pratacultural and Environmental Sciences,Xinjiang Agricultural University, Urumqi 830052, China

Received:2020-05-08 Online:2021-05-20 Published:2021-05-26
Correspondence author: AN Shazhou (1956-), male, native place: Fuping, Shanxi. Professor; research field: Grassland resource and ecology, (E-mail)xjasz@126.com
Supported by:
National Key R & D Project of China “Special Project on Investigation of Scientific and Technological Basic Resources” (2017FY100201); the Graduate Research Innovation Project of Xinjiang Agricultural University (XJAUGRI2018009)

摘要/Abstract

摘要： 【目的】研究醉马草(Achnatherum inebrians)芽库动态变化,分析不同生境中芽库动态变化规律与芽库与植物大小之间的关系,为合理防控及利用醉马草提供科学依据。【方法】以分布在荒漠、草原和草甸生境中的草原毒害草醉马草为对象,采用野外调查取样的方法,分析不同生育期(返青期、开花期、结实期和枯黄期)醉马草变化特征,研究不同生境的芽数量和生物量的动态变化规律。【结果】(1)草原和草甸生境结实期和枯黄期的芽数量和生物量显著高于荒漠生境的芽数量和生物量(P<0.05),同一生境中,开花期和枯黄期的芽数量和生物量显著高于返青期(P<0.05)。(2)荒漠生境芽数量和生物量随着的丛径变大表现增加趋势,而草原和草甸生境丛径大小与芽数量和生物量之间具有不同的变化规律。【结论】良好的生境条件能促进芽库数量和生物量的增加,丛径大小对芽数量和生物量具有一定的影响。

关键词: 醉马草; 芽库; 生物量; 生境

Abstract: 【Objective】 In recent years, due to the common influence of natural factors and human disturbance, the degree of grassland degradation is increasing. This project aims to study the dynamic changes of bud bank and the relationship between the dynamic changes of bud bank and plant size in different habitats in the hope of providing scientific basis for rational control and utilization of Achnatherum inebrians. 【Methods】 In this paper, a field investigation and sampling method was used to study the dynamics of bud number and biomass in different growth periods (regreening period, flowering period, fruiting period and yellowing period) of A. inebrians in desert, steppe and meadow. 【Results】 (1)The number and biomass of buds in the stage of fruiting and yellowing period in steppe and meadow were significantly higher than that in desert (P<0.05), and in the same habitats, the number and biomass of buds in the stage of flowering and yellowing period were significantly higher than those in the stage of regreening period (P<0.05). (2) The number and biomass of buds in desert habitat increased with the increase of cluster diameter, but there were different changes between the size of cluster diameter and the number and biomass of buds in steppe and meadow. 【Conclusion】 The good habitat conditions promotes the increase of the number and biomass of buds and the cluster diameter has certain influence on the number and biomass of buds.

Key words: Achnatherum inebrians; bud bank; biomass; habitat

中图分类号:

S812

赛米拉克孜·台外库力, 靳瑰丽, 安沙舟, 董乙强. 不同生境条件下醉马草芽库的动态变化特征[J]. 新疆农业科学, 2021, 58(5): 947-954.

Saimilakezi Taiwaikuli, JIN Guili, AN Shazhou, DONG Yiqiang. Characteristics of Bud Bank Dynamic Changes in Different Habitats of Achnatherum inebrians[J]. Xinjiang Agricultural Sciences, 2021, 58(5): 947-954.

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不同生境条件下醉马草芽库的动态变化特征

Characteristics of Bud Bank Dynamic Changes in Different Habitats of Achnatherum inebrians

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