金佛山方竹竹鞭中内源激素水平和抗氧化酶活性的鞭龄效应

doi:10.14088/j.cnki.issn0439-8114.2025.11.015

湖北农业科学 ›› 2025, Vol. 64 ›› Issue (11): 119-126.doi: 10.14088/j.cnki.issn0439-8114.2025.11.015

金佛山方竹竹鞭中内源激素水平和抗氧化酶活性的鞭龄效应

苏春花¹, 林新校¹, 娄义龙², 谢刚³

1.贵州民族大学生态环境工程学院,贵阳 550025;
2.贵阳市园林绿化科学研究院,贵阳 550008;
3.贵州省山地资源研究所,贵阳 550000

收稿日期:2025-07-08 出版日期:2025-11-25 发布日期:2025-12-05
作者简介:苏春花(1982-),女,山东菏泽人,副教授,博士,主要从事竹林生态学的研究工作,(电话)18286031938(电子信箱)179761659@qq.com。
基金资助:
贵州省省级科技计划项目(黔科合基础([2018]1075); 贵州省科技支撑计划项目(黔科合支撑([2023]一般048); 贵州省特色林业产业科研课题(黔特林研[2020] -02)

Effects of rhizome age on endogenous hormone contents and antioxidative enzyme activities of Chimonobambusa utilis rhizomes

SU Chun-hua¹, LIN Xin-xiao¹, LOU Yi-long², XIE Gang³

1. College of Eco-environmental Engineering, Guizhou Minzu University, Guiyang 550025, China;
2. Guiyang Research Institute of Landscaping,Guiyang 550008, China;
3. Guizhou Institute of Mountain Resources, Guiyang 550000, China

Received:2025-07-08 Published:2025-11-25 Online:2025-12-05

摘要/Abstract

摘要： 以一年生金佛山方竹（Chimonobambusa utilis）无性系分株繁育10年的竹林为研究对象,利用追鞭方法采集1~4年生竹鞭,测定其中内源激素含量和抗氧化系统指标,分析竹鞭水平延伸中生理特征的鞭龄效应。结果表明,完整鞭段中,随着鞭龄的增大,ABA的含量呈增大趋势,GA、IAA和ZR的含量无显著变化;IAA/ABA、ZR/ABA、GA/ABA、(IAA+ZR+GA)/ABA的值随鞭龄的增大均呈降低趋势;SOD活性随鞭龄的增大先增大后减少,POD活性先增大后趋于稳定,MDA含量则逐步降低。同年龄鞭段中,鞭段的前端、中端和后端中各指标均无显著差异;不同鞭段位置中各指标随鞭龄的变化规律因指标的不同而不同。当不同年龄竹鞭相连接时,ABA的含量及比值、MDA含量随鞭龄的增大变化规律因鞭段的不同而不同,其他指标均无显著变化。SOD、CAT、MDA与ABA、IAA均呈极显著负相关,POD、CAT与GA呈显著正相关。本研究为进一步探索竹鞭在竹林发展中的作用提供了理论基础。

关键词: 金佛山方竹（Chimonobambusa utilis）, 竹鞭, 鞭龄, 竹鞭延伸, 内源激素, 抗氧化酶

Abstract: The bamboo forest of Chimonobambusa utilis,which had been bred for 10 years derived from a one-year-old ramet, was used as the research object. Rhizome samples were collected by the method of tracing rhizomes, and its contents of endogenous hormones and antioxidant system indexes were determined to analyze age effects of the physiological characteristics in rhizome elongation. The results showed that, to the whole rhizome, contents of ABA increased with the increase of rhizome age, while contents of GA, IAA and ZR had no significant change. The values of IAA/ABA, ZR/ABA, GA/ABA, (IAA+ZR+GA)/ABA decreased with the increase of rhizome age. With the increase of rhizome age, SOD activity increased first and then decreased, POD activity increased first and then stabilized, and MDA content decreased gradually. There was no significant difference in forepart, middle and posterior of the rhizome at the same age. The variation law of each index in different rhizome positions with age was different due to different indexes. When the rhizomes of different ages were connected, changes of ABA content, values of hormone ratio and MDA content with the increase of age were different with different connected segments, and other indexes had no significant changes. SOD, CAT and MDA were significantly negatively correlated with ABA and IAA, while POD and CAT were significantly positively correlated with GA. This study provided a theoretical basis for further exploring the role of bamboo rhizomes in the development of bamboo forests.

Key words: Chimonobambusa utilis, rhizome, rhizome age, rhizome elongation, endogenous hormone, antioxidative enzyme

中图分类号:

S795

苏春花, 林新校, 娄义龙, 谢刚. 金佛山方竹竹鞭中内源激素水平和抗氧化酶活性的鞭龄效应[J]. 湖北农业科学, 2025, 64(11): 119-126.

SU Chun-hua, LIN Xin-xiao, LOU Yi-long, XIE Gang. Effects of rhizome age on endogenous hormone contents and antioxidative enzyme activities of Chimonobambusa utilis rhizomes[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(11): 119-126.

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金佛山方竹竹鞭中内源激素水平和抗氧化酶活性的鞭龄效应

Effects of rhizome age on endogenous hormone contents and antioxidative enzyme activities of Chimonobambusa utilis rhizomes

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