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March 28, 2026HorticulturaeOpen Access

Allelopathic Effects of Aqueous Extracts from Alternanthera philoxeroides (Mart.) Griseb on Seed Germination and Seedling Growth of Zinnia elegans

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Authors

LLLei LiuHSHao SuiJZJiajia Zuo

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Overview

Demonstrates the inhibitory effects of Alternanthera philoxeroides extracts on Zinnia elegans, suggesting potential management strategies for invasive plants.

Key Points

  • This research aims to investigate how extracts from Alternanthera philoxeroides affect seed germination and growth in Zinnia elegans.
  • Analyzed aqueous extracts from stems, leaves, and roots of A. philoxeroides.
  • Utilized Petri dish filter paper method and pot experiments for germination tests.
  • Measured seed germination rates and seedling growth parameters at different concentrations (25, 50, 100 mg·mL−1).
  • Aqueous extracts significantly inhibited seed germination and seedling growth of Z. elegans.
  • High concentrations of stem and leaf extracts reduced germination rates by up to 99.10% and 90.65%.
  • Extracts induced oxidative stress in seedlings, with increased malondialdehyde and altered antioxidant enzyme activities.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/69c771988bbfbc51511e1956https://doi.org/10.3390/horticulturae12040413
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Also Consider

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  1. 1Allelopathic potential of Phragmites australis extracts onthe growth of invasive plant Alternanthera philoxeroides2018
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  4. 4Investigation of the Allelopathic Effect of Two Invasive Plant Species in Rhizotron System2024 · 10 citations
  5. 5Allelopathic potential of invasive alien plant species, Xanthium strumarium L., water and methanol extracts on germination and seedling growth of Guizotia abyssinica (L.f.) Cass., and Linum usitatissimum L.2024