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Related Concept Videos

Hybrid Zones02:29

Hybrid Zones

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Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
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Related Experiment Video

Updated: Sep 15, 2025

Assessing Species-specific Contributions To Craniofacial Development Using Quail-duck Chimeras
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Clonal parental effects on competitive interactions between two duckweeds.

Lin-Xuan He1,2, Yu Jin1,3, Xiao-Mei Zhang1

  • 1Institute of Wetland Ecology and Clone Ecology/Zhejiang Provincial Key Laboratory of Evolutionary Ecology and Conservation, Taizhou University, Taizhou, Zhejiang, China.

Frontiers in Plant Science
|July 17, 2025
PubMed
Summary
This summary is machine-generated.

Parental nutrient conditions significantly impact offspring plant competitiveness. These clonal parental effects alter interspecific competition, influencing plant community dynamics and species composition.

Keywords:
clonal plantscompetitivenessinterspecific interactionsmaternal effectnutrient availabilitytransgenerational plasticity

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Area of Science:

  • Ecology
  • Plant Biology
  • Evolutionary Biology

Background:

  • Parental environments can shape offspring fitness through clonal propagation.
  • Clonal parental effects can vary across plant species and offspring environments.
  • These effects may alter interspecific competition and community structure.

Purpose of the Study:

  • To investigate how clonal parental effects influence the competitive interactions between two duckweed species.
  • To determine if offspring environments modulate the impact of clonal parental effects on plant competition.

Main Methods:

  • A two-phase experiment using clonal duckweeds (Spirodela polyrhiza and Lemna minor).
  • Parental generation grown under distinct nutrient conditions (high/low).
  • Offspring grown with or without a heterospecific neighbor under varying nutrient conditions.

Main Results:

  • Parental nutrient availability influenced offspring biomass and ramet production.
  • Offspring competitive ability was significantly affected by parental nutrient conditions.
  • Species-specific interactions were observed, with parental nutrient levels altering competitive suppression between S. polyrhiza and L. minor.

Conclusions:

  • Clonal parental effects play a crucial role in regulating plant interspecific interactions.
  • The impact of parental environments on offspring competitiveness can be context-dependent.
  • Understanding clonal parental effects is vital for predicting plant community composition and productivity.