Summary
Abstract Background and aim Root exudates are the main drivers of plant-microbes-soil interactions. There are several approaches to collect root exudates, but critical methodological evaluation remains limited. The goal of this study was to assess the effect of the applied sampling solution volume and to test the suitability of Micropur as microbial activity inhibitor during the exudate sampling process. Methods Using Zea mays L. as model plant and the soil-hydroponic hybrid exudate sampling approach, we tested the effect of different sampling solution volumes and different Micropur concentrations on maize root exudation. Additionally, a sterile hydroponic-only experiment was conducted to monitor potential effects of Micropur on maize physiology. Photometric and LC-TOF-MS analyses were use
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