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Journal of Plant Ecology >

2024 , Vol. 17 >Issue 6: 1 - 12

DOI: https://doi.org/10.1093/jpe/rtae085

Research Articles

Regeneration and colonization abilities of invasive and native Myriophyllum species under different fragment types and lengths

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  • 1College of Urban and Environmental Sciences, Hubei Normal University, Huangshi 435002, China
    2Huangshi Key Laboratory of Soil Pollution and Control, Hubei Normal University, Huangshi 435002, China
    3College of Life Sciences, Hubei Normal University, Huangshi 435002, China

    *Corresponding author. E-mail: wuxd@hbnu.edu.cn
    †These authors contributed equally to this work.

Received date: 2024-05-01

  Accepted date: 2024-08-29

  Online published: 2024-09-12

Supported by

This work was supported by the Open Foundation of Hubei Key Laboratory of Pollutant Analysis & Reuse Technology (Hubei Normal University) (PA220103); the Open Foundation of Resource-exhausted City Transformation and Development Research Center (Hubei Normal University) (KF2024Y07); the Open Project Funding of Key Laboratory of Intelligent Health Perception and Ecological Restoration of Rivers and Lakes, Ministry of Education, Hubei University of Technology (HGKFYBP03); the College Students’ Innovative Entrepreneurial Training Plan Program (202310513013, S202310513064).

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Abstract

Alien invasive species usually have strong regeneration and colonization abilities. However, whether invasive species have advantages in terms of regeneration and colonization abilities over native species requires further exploration. In this study, the effects of fragment types (with and without apical tips) and lengths (5, 10 and 15 cm) on the regeneration and colonization abilities of the invasive Myriophyllum aquaticum and native M. spicatum in China were studied. Fragments of M. aquaticum and M. spicatum without apical tips had an advantage in branch formation, and their regeneration ability was stronger than that of fragments with apical tips. With longer initial fragments, the root length of M. aquaticum was longer and its colonization ability was stronger. This resulted in an increase in plant length, stem node number and biomass, with an increase in fragment length. However, the colonization ability of M. spicatum was not stronger with longer fragments. On the whole, native M. spicatum had stronger regeneration and colonization abilities than the invasive species M. aquaticum. However, M. aquaticum had a higher survival rate and plant length, enabling it to quickly occupy living spaces. Our results suggest that management needs to be strengthened for both M. aquaticum and M. spicatum to avoid biological invasion.

Key words： Myriophyllum aquaticum; M. spicatum; regeneration; colonization; fragments; biological invasion

Cite this article

Min Zou, Xiao-Wen Lin, Xiao-Dong Wu, Yuan Qin, Xu-Guang Ge, Jian-Jun Hou, Xiao-Xia Li, Shuang Peng . Regeneration and colonization abilities of invasive and native Myriophyllum species under different fragment types and lengths[J]. Journal of Plant Ecology, 2024 , 17(6) : 1 -12 . DOI: 10.1093/jpe/rtae085

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