Fig. 2From: Phenotypic variation and genome-wide association studies of main culm panicle node number, maximum node production rate, and degree-days to heading in ricePerspective (a) and contour (b) plots showing the relationships of main culm panicle node number (MCPNN) and maximum node production rate (MNPR) on degree days to heading (DDTH) based on response surface methodology. The linear model is shown below the figure.Back to article page