White lupin: improving legume-based protein production via intercropping
Corentin Dourmap1, Joelle Fustec2, Christophe Naudin2
1Université d'Angers, INRAE, Institut Agro, Institut de Recherche en Horticulture et Semences, Beaucouzé, France.
Journal of Experimental Botany
|March 20, 2025
Summary
White lupin, a high-protein legume, offers sustainable agriculture potential but faces challenges. Research is needed to improve its cultivation for resource-saving practices like intercropping and enhance protein yield.
Area of Science:
- Agricultural Science
- Plant Biology
- Sustainable Agriculture
Background:
- Increasing global food demand and a shift towards plant-based proteins are driving interest in high-protein crops.
- White lupin is an underutilized legume crop with high protein content and low fertilization needs due to nitrogen fixation and efficient phosphorus acquisition.
- Current challenges include yield variability, slow growth, and susceptibility to pests, diseases, and water stress.
Purpose of the Study:
- To address the bottlenecks in white lupin cultivation for sustainable agriculture.
- To explore the potential of white lupin in resource-saving practices, particularly intercropping.
- To define ideotypes for improved lupin cultivation, focusing on protein yield and resilience.
Main Methods:
- The abstract indicates a focus on genetic, metabolic, and agronomic research.
- The PULSAR research program aims to overcome cultivation limitations.
- Investigating intercropping benefits for nutrient acquisition and pest mitigation.
Main Results:
- White lupin shows promise for resource-saving agriculture, especially in intercropping systems.
- Its ability to fix nitrogen and acquire phosphorus reduces fertilizer requirements.
- Potential for yield stability and mitigation of weeds and pests through intercropping.
Conclusions:
- Further research is crucial to unlock the full potential of white lupin.
- Developing ideotypes suited for sustainable practices like intercropping is key.
- Optimizing lupin cultivation can contribute to food security and reduced environmental impact.


