Root = Rootstock (C-35 Citrange, CZO Carrizo citrange, etc.) Age = Years in ground (Note year of evaluation for prospective) SSC = Soluble Solids Content (mostly sugars in Citrus; also referred to as BRIX) Mean titr = Average of titration data which is used to calculate citric acid % Citric Acid % = Percentage of acidity based on citric acid SSC/TA = Ratio of SSC to Citric Acid %. Still used as a maturity standard for mandarins and some oranges. There is a new California Standard for navels. # Fruit = Number of fruit in a sample Length = Length of fruit for whole sample Avg. Length = Average length for one fruit Color = Color rating of the rind of the fruit. Rind with rating of 3 is dark green, 5 is color break and 13 orange red. See chart. Texture = Texture rating of rind of fruit. Rind with rating of 1 is very smooth. See chart. Interior = Interior color of the flesh of the fruit.