Figure 2From: Eliminating interference by anthocyanin in chlorophyll estimation of sweet potato (Ipomoea batatas L.) leavesCoefficient between reciprocal reflectance and chlorophyll content and its RMSE. (A) Coefficient between reciprocal reflectance (R-1) and chlorophyll content; (B) root mean square error (RMSE) of the chlorophyll estimation by R-1. G+Y, green and yellow leaves only; G+Y+P: green, yellow, and purple leaves.Back to article page