FIGURE 1.

Overview of the different devices, growing conditions and image acquisition / analysis process. Grapevine herbaceous cuttings (cv. Marselan) were placed in three devices (top line: “Visualization of growing conditions”): (A) hydroponics tubes, (B) rhizotrons, and (C) aluminum cylinder for neutron tomography. They were then grown in greenhouse conditions and, depending on the method, some RSA parameters could be phenotyped. Quantitative parameters (i.e., projected root area) could be measured by image reconstruction and analysis (bottom line: “image acquisition/reconstruction”).