Pulse Brain · Growing Health Evidence Index
Tier 4 — Narrative / commentaryPeer-reviewed

Ecological principles to guide the development of crop variety mixtures

Emanuel B Kopp, Pascal A. Niklaus, Samuel E. Wuest

Journal of Plant Ecology · 2023

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Summary

This review synthesises ecological principles governing crop variety mixtures and identifies key challenges in translating diversity theory to practical variety selection. The authors propose that modern genetic and genomic approaches, alongside identification of varieties with differential environmental responses from standard testing, may enable more efficient identification of high-performing mixtures with improved yield stability and disease resilience.

UK applicability

The trait-based and genomic screening approaches discussed are applicable to UK crop breeding and variety testing programmes, where standard cultivar trials already generate the environmental response data needed to identify complementary varieties. The findings support integration of ecological complementarity principles into UK breeding strategies and variety selection for cereals.

Key measures

Yield, yield stability, pathogen suppression, trait-based complementarity metrics, niche differentiation in environmental response

Outcomes reported

The paper reviews mechanisms underlying diversity effects in ecological experiments and agricultural applications, and discusses trait-based and genomic approaches to identify complementary crop varieties for mixture development. It examines how niche differences in environmental response can predict functional complementarity and enhance mixture yield and stability.

Theme
Farming systems, soils & land use
Subject
Arable cropping systems
Study type
Narrative Review
Study design
Narrative review
Source type
Peer-reviewed study
Status
Published
System type
Arable cereals
DOI
10.1093/jpe/rtad017
Catalogue ID
SNmoqqrs7c-35wk32

Topic tags

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