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Updated: Dec 30, 2025

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Published on: July 22, 2017
Farming plant cooperation in crops
Germain Montazeaud1,2, François Rousset3, Florian Fort2
1AGAP, Université de Montpellier, CIRAD, INRAE, Montpellier SupAgro, Montpellier, France.
Promoting cooperation in crops, not just individual fitness, can boost group yield. Our study shows that selecting for shorter plants under high density and relatedness enhances crop cooperation and sustainable agriculture.
Area of Science:
- Agricultural Science
- Evolutionary Biology
- Plant Breeding
Background:
- Individual selection in crops can decrease overall group performance.
- New practices focus on cooperative phenotypes to enhance crop yield.
- Evaluating evolutionary dynamics of crop cooperation requires formal models.
Purpose of the Study:
- To develop a theoretical framework for crop cooperation evolution.
- To analyze crop evolutionary dynamics under different selection strategies.
- To use plant height as a case study for cooperation traits.
Main Methods:
- Developed a theoretical model for crop evolutionary dynamics.
- Tailored the model to realistic agricultural practices.
- Investigated the evolution of cooperation-related traits, using plant height.
Main Results:
- High plant density, high relatedness, and group selection favor shorter plants.
- Shorter plants maximize grain yield through increased cooperation.
- The model provides insights into kin selection theory in crops.
Conclusions:
- Combining specific agricultural practices can evolve cooperation in crops.
- This approach can increase crop yield and promote sustainable agriculture.
- Revisiting breeding practices through kin selection theory offers practical recommendations.
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