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. 2021 Feb 22;12:633600. doi: 10.3389/fpls.2021.633600

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Copyright © 2021 Torres, Yu, Martínez-Lüscher, Kostaki and Kurtural.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Relationship between shoot to root ratio and total biomass (BM) (A), leaf non-structural carbohydrates (NSC) (B), photosynthetic pigments (C), root NSC (D), and leaf sucrose:N ratio (E) and between N content and total BM (F), leaf NSC (G), photosynthetic pigments (H), yield per vine (I), and shoot to root ratio (J) from Cabernet Sauvignon grapevines (clone FPS08), subjected to different replacements of crop evapotranspiration (white circle, 25% ET_c; gray circle, 50% ET_c; and black circle, 100% ET_c) during two growing seasons (2019 and 2020) and collected in October 2020 in Oakville, CA, United States. Dashed lines represent regression curves for Pearson’s correlation analysis. *, **, and *** indicate significance at 5, 1, and 0.1% probability levels, respectively.