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. 2019 Apr 26;10:504. doi: 10.3389/fpls.2019.00504

Figure 6.

Figure 6

The biplot of the principal component analysis (PCA) of the phenotypic traits. The PCA was plotted using all the measured phenological traits. Moisture parameters include volumetric water content (VWC), electrical conductivity (EC), soil temperature (STemp), and the relative water content (RWC). Morphological parameters include plant height (PH), peduncle length (PL), root dry weight (RDW), total root length (TRL), relative plant dry weight (RPW), standing biomass (SBM), awn length (Awl), days to heading (DTH), the survival rate (SrRate), and recovery rate (RcRate). Yield components include tiller number (TN), total spike number (TSN), number of productive tillers (NPT), total spike weight (SPW), grain number (GN), and grain weight (GW). Cellular parameter by peroxisome abundance. Photosynthetic parameters are represented by the chlorophyll content (Chl), photosystem II (PSII) and leaf temperature (LTemp).