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Updated: Jun 25, 2025

Embryo Rescue Protocol for Interspecific Hybridization in Squash

Embryo Rescue Protocol for Interspecific Hybridization in Squash

Published on: September 12, 2022

Harnessing monocrop breeding strategies for intercrops.

Reena Dubey¹, Riccardo Zustovi¹, Sofie Landschoot¹

¹Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium.

Frontiers in Plant Science

|May 27, 2024

Summary

Adapting standard crop breeding methods can improve intercropping success. This approach balances gains for both single-crop (monocrop) and mixed-crop (intercrop) performance, making it easier to adopt new breeding schemes.

Keywords:

compatibility traits genetic gain heritability intercrop monocrop plant breeding

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Area of Science:

Agricultural Science
Plant Breeding
Ecology

Background:

Intercropping offers benefits like yield stability and ecosystem services but faces challenges from competition between crop varieties.
Developing complementary varieties is crucial for successful intercropping, yet specialized breeding concepts require significant implementation efforts.

Purpose of the Study:

To explore adapting existing monocrop breeding strategies for intercropping.
To provide a less intrusive stepping stone towards dedicated intercrop breeding schemes.
To balance genetic gains for both monocrop and intercrop performance.

Main Methods:

Modifying conventional monocrop breeding strategies with minor adaptations.
Improving monocrop performance in parallel breeding pools.
Introducing intercrop performance testing at later selection stages.

Main Results:

Adapted monocrop breeding strategies can facilitate the development of compatible intercropping varieties.
The optimal timing for shifting from monocrop to intercrop testing depends on crop specificity and trait heritability.
Genetic correlation between monocrop and intercrop performance is key to optimizing breeding schemes.

Conclusions:

Adapting monocrop breeding offers a practical initial step towards specialized intercropping breeding programs.
This approach balances genetic progress for both monocrop and intercrop yields.
Further research should focus on optimizing the integration of intercrop testing within breeding programs.