Correlation analysis of 13 agronomic traits under different nitrogen fertilizations. a) standard nitrogen fertilization, b) no nitrogen fertilization. Each trait’s distribution is depicted along the diagonal, and beneath and above it, there are scatter plots featuring a fitted line and correlation coefficients (r), respectively. DH : days to heading, CL : culm length, SL : spike length, AL : awn length, SPAD : SPAD value, FL : flag leaf length, FW : flag leaf width, SNS : spikelet number per spike, GA : grain area, GL : grain length, GW : grain width, TGW : thousand grain weight, PC : protein content.

Korean J. Breed. Sci. 2024;56:281-91 https://doi.org/10.9787/KJBS.2024.56.3.281

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