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. 2023 Feb 17;14:1065604. doi: 10.3389/fpls.2023.1065604

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Copyright © 2023 Yang, Song, Xu, Sapey, Jiang and Wu

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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Pearson correlation analysis showing the relationships between growth factors and grain yield. The circle size shows the significant level and the circle color exhibited the positive or negative correlations. P-values less than 0.001, 0.01, 0.05 are indicated by the asterisks and dot symbols: ‘* ** ’, ‘* *’ and ‘* ’.The abbreviations used in the figure are followed as: seed yield per plant (SY), seed weight (SW), seed sucrose content (SeSu), seed starch content (SeSt), photosynthetic rate (Pn), leaf sucrose content (LeSu), leaf starch content (LeSt), stem sucrose content (StSu), stem starch content (StSt), dry matter per plant (DM).