Revisiting growth–defence trade‐offs and breeding strategies in crops

作者：Mingjun Gao, Zeyun Hao, Yuese Ning, Zuhua He · 发表于：Plant Biotechnology Journal · 年份：2024 · DOI：10.1111/pbi.14258 · 被引用次数：100 · 研究领域：Agronomic Practices and Intercropping Systems、Genetics and Plant Breeding、Genetic and Environmental Crop Studies

Plants have evolved a multi-layered immune system to fight off pathogens. However, immune activation is costly and is often associated with growth and development penalty. In crops, yield is the main breeding target and is usually affected by high disease resistance. Therefore, proper balance between growth and defence is critical for achieving efficient crop improvement. This review highlights recent advances in attempts designed to alleviate the trade-offs between growth and disease resistance in crops mediated by resistance (R) genes, susceptibility (S) genes and pleiotropic genes. We also provide an update on strategies for optimizing the growth-defence trade-offs to breed future crops with desirable disease resistance and high yield.