Grape Chemistry

 

Varietal                   Date                     Sugar (Brix)                 pH                                TA (% )
Barbera                            8-23-09                              21.6                                2.86                               1.80

                                            8-30-09                              23.8                                2.95                               1.69

                                            9-05-09                              25.4                                2.98                               1.41

                                            9-11-09                               25.8                                2.97                               1.31

 

Primitivo                         8-23-09                            21.0                                  3.08                              1.04

                                             8-30-09                            23.6                                 3.17                               0.98

                                             9-05-09                            24.1                                  3.21                              0.84

                                             9-11-09                             23.8                                  3.39                             0.72

 

Tempranillo                   8-23-09                            21.5                                   3.18                              0.68

                                             8-30-09                           23.8                                   3.25                              0.54

                                            9-05-09                            24.8                                   3.41                               0.48

 

Touriga Nacional         8-23-09                             18.5                                   2.84                              1.10

                                             8-30-09                            19.9                                   2.90                             0.89

                                             9-05-09                            21.0                                   3.00                            0.78

 

Barbera (Bl 1/Bl 3 Experimental)

CONTROL                        9-05-09                             25.6                                  3.00                                1.40

HEDGED                           9-05-05                             23.6                                  2.95                                1.58