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WHITE SEEDLESS GRAPEFRUIT

Maturity and yield test results: Unadjusted matched averages for regular bloom fruit
from identical sample trees, seasonal comparisons 1991-92 through 2000-01
Date 1991-92 1992-93 1993-94 1994-95 1995-96 1996-97 1997-98 1998-99 1999-00 2000-01
  Percent acid
Sep  1 NA NA NA NA NA NA 1 .60 1 .81 1 .85 1 .83
Oct  1 1 .44 1 .48 1 .69 1 .39 1 .57 1 .64 1 .42 1 .56 1 .63 1 .58
Nov  1 1 .31 1 .44 1 .50 1 .25 1 .34 1 .45 1 .34 1 .48 1 .45 1 .50
Dec  1 1 .31 1 .34 1 .42 1 .18 1 .32 1 .43 1 .27 1 .36 1 .42 1 .47
 
Percent soluble solids
Sep  1 NA NA NA NA NA NA 9 .55 10 .10 10 .29 10 .15
Oct  1 9 .92 9 .86 10 .38 9 .55 9 .65 10 .39 9 .73 9 .76 9 .82 10 .22
Nov  1 9 .92 10 .02 10 .19 9 .61 9 .48 10 .11 9 .93 10 .10 9 .60 10 .38
Dec  1 10 .26 10 .23 10 .51 9 .55 9 .73 10 .44 9 .91 10 .33 10 .07 10 .78
  Ratio
Sep  1 NA NA NA NA NA NA 6 .00 5 .59 5 .60 5 .47
Oct  1 6 .93 7 .56 6 .17 6 .89 6 .20 6 .35 6 .86 6 .32 6 .07 6 .52
Nov  1 7 .60 6 .99 6 .84 7 .78 7 .11 6 .99 7 .45 6 .86 6 .67 6 .98
Dec  1 7 .88 7 .70 7 .43 8 .12 7 .41 7 .32 7 .88 7 .64 7 .16 7 .36
  Pounds juice per box
Sep  1 NA NA NA NA NA NA 34 .47 30 .67 28 .77 32 .70
Oct  1 38 .76 37 .60 35 .16 39 .87 36 .84 37 .79 38 .94 35 .95 34 .37 36 .84
Nov  1 42 .47 42 .02 39 .26 43 .49 40 .76 40 .62 41 .62 38 .65 37 .92 40 .56
Dec  1 44 .04 43 .29 42 .81 44 .93 42 .67 43 .19 43 .94 42 .99 42 .31 41 .79
  Pounds solids per box
Sep  1 NA NA NA NA NA NA 3 .29 3 .09 2 .96 3 .32
Oct  1 3 .85 3 .70 3 .64 3 .81 3 .55 3 .92 3 .80 3 .50 3 .37 3 .76
Nov  1 4 .21 4 .21 4 .00 4 .18 3 .86 4 .11 4 .14 3 .90 3 .64 4 .20
Dec  1 4 .51 4 .42 4 .50 4 .29 4 .15 4 .51 4 .35 4 .44 4 .25 4 .50


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