Le Clerc Valérie, Moussa Sitti Anlati, Suel Anita, Koutouan Claude Emmanuel, El Ghaziri Angelina, Gaucher Matthieu, Brisset Marie-Noelle, Briard Mathilde, Geoffriau Emmanuel
Institut Agro, Université d'Angers, INRAE, IRHS, SFR 4207 QUASAV, Angers, France.
INRAE, Institut Agro, Université d'Angers, IRHSR 4207, SF, QUASAV, Angers, France.
Front Plant Sci. 2025 Mar 5;16:1513301. doi: 10.3389/fpls.2025.1513301. eCollection 2025.
The use of biopesticides represents an alternative strategy to synthetic chemical products for crop protection. To promote their adoption and effective use by growers, it is crucial to understand their modes of action and the optimal conditions for their application in crops, including their compatibility with specific varieties. Through a series of greenhouse experiments, this study describes the development and validation of a robust molecular diagnostic tool for enabling the evaluation of defence gene activation. The results identified plant resistance inducers (PRIs) among biopesticide products capable of protecting carrots against Alternaria leaf blight. By applying a PRI to a range of carrot varieties exhibiting varying levels of resistance to , preliminary findings on plant receptivity suggest that the efficacy of PRIs in conferring protection is highly dependent on the treated variety. Two distinct genotype-dependent effects were observed: sensitivity to the PRI and an enhancement of resistance. This study offers new insights into optimising biopesticide use in carrot cultivation.
使用生物农药是一种替代合成化学产品进行作物保护的策略。为了促进种植者采用和有效使用生物农药，了解其作用方式以及在作物中应用的最佳条件（包括与特定品种的兼容性）至关重要。通过一系列温室试验，本研究描述了一种强大的分子诊断工具的开发和验证，该工具可用于评估防御基因的激活。结果在能够保护胡萝卜免受链格孢叶枯病侵害的生物农药产品中鉴定出植物抗性诱导剂（PRI）。通过将一种PRI应用于一系列对该病具有不同抗性水平的胡萝卜品种，关于植物接受性的初步发现表明，PRI赋予保护的功效高度依赖于所处理的品种。观察到两种不同的基因型依赖性效应：对PRI的敏感性和抗性增强。本研究为优化胡萝卜种植中生物农药的使用提供了新的见解。
