TABLE 9.                                  MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS 
                                                      IN THE 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST 
                                                        AT ST. CHARLES, MO (THE MISSOURI BLUFFS G. C.) 1/
                                                                           1998 DATA

                                                       TURFGRASS QUALITY AND OTHER RATINGS 1-9;  9=BEST
                                                       TURFGRASS STIMPMETER READINGS MEASURED IN INCHES  2/

                                    PERCENT
                                     LIVING
                        SEEDLING     COVER                  STIMPMETER READINGS                                       QUALITY RATINGS                       
      NAME                VIGOR     FALL (97)     JULY        AUGUST    SEPTEMBER    OCTOBER    APR    MAY    JUN    JUL    AUG    SEP    OCT    NOV    MEAN

      PENN A-4             5.7        91.7        91.7         93.7       110.7       107.7     3.7    6.3    7.0    8.0    7.7    8.7    7.0    5.7     6.8
      CENTURY              5.7        90.0        80.0         79.7       104.7       100.7     4.0    6.3    7.0    8.0    8.0    8.3    6.7    4.7     6.6
      IMPERIAL             6.0        92.7        81.0         86.3       107.0       107.3     4.3    6.7    7.0    8.0    7.3    8.0    7.0    4.0     6.5
      PENN G-1             6.3        94.3        85.7         87.0       111.7       100.3     4.3    5.7    6.3    8.0    7.0    8.3    7.0    5.0     6.5
      BACKSPIN             4.7        91.7        82.3         84.3       102.7       103.0     4.3    6.7    7.0    7.3    7.3    8.0    6.0    4.0     6.3
      PENN A-1             3.7        78.3        86.0         97.7       111.3       104.0     3.7    5.7    6.0    7.7    7.7    8.3    6.3    5.3     6.3
      PENN G-6             6.0        90.0        86.3         90.0       114.7       112.7     4.3    6.0    6.0    7.0    6.7    8.3    7.0    5.3     6.3
      GRAND PRIX (LCB-103) 5.7        88.3        84.3         93.0       112.7       113.3     3.7    5.3    6.0    7.3    7.0    7.3    6.7    5.3     6.1
      SR 1119              6.3        91.7        87.3         91.3       108.7       102.7     4.0    6.0    6.3    7.0    6.7    7.3    5.7    4.3     5.9
      L-93                 5.0        83.3        89.3         91.7       109.7       104.0     3.3    6.0    5.3    6.3    7.0    7.7    6.3    4.7     5.8
      SR 1020              5.3        91.0        85.3         88.3       107.0       105.7     4.3    5.7    5.7    6.7    6.0    7.3    5.7    4.7     5.8
      TRUELINE             5.3        86.7        84.3         86.7       111.7       104.0     4.0    6.0    5.3    7.0    6.0    7.0    6.3    4.3     5.8
      CATO                 5.3        85.0        93.7         94.7       115.7       120.0     3.3    6.0    5.0    7.0    6.7    7.0    6.7    4.0     5.7
      CRENSHAW             5.3        90.0        93.7        100.3       118.7       112.3     3.7    5.0    5.0    7.3    6.7    7.3    6.3    4.0     5.7
      PUTTER               5.3        93.3        83.3         87.3       113.0       112.0     4.0    5.3    5.3    7.0    6.7    6.7    6.0    4.3     5.7
      VIPER                5.7        92.7        88.3         89.7       108.7       106.3     4.0    5.7    5.7    6.7    6.0    6.7    5.7    3.7     5.5
      PROVIDENCE           5.3        88.3        90.3         93.0       109.7       117.0     3.7    5.3    4.7    6.0    5.7    7.0    6.3    4.3     5.4
      PENNCROSS            7.0        94.7        81.3         80.3       108.3       103.3     4.3    5.3    5.0    5.0    6.0    5.3    5.0    3.0     4.9

      LSD VALUE            2.2        16.3          -          28.2          -           -       -     1.4    1.1    1.0    0.9    0.9    1.4    0.9     0.5

      C.V. (%)            16.9         7.0        12.3         10.6         8.9        10.2    17.7   10.7   10.7    8.3    7.7    7.6   10.5   11.7     5.4


      1/  TO DETERMINE STATISTICAL DIFFERENCES AMONG ENTRIES, SUBTRACT ONE ENTRY'S MEAN FROM ANOTHER ENTRY'S MEAN.
          STATISTICAL DIFFERENCES OCCUR WHEN THIS VALUE IS LARGER THAN THE CORRESPONDING LSD VALUE (LSD 0.05).

      2/  C.V. (COEFFICIENT OF VARIATION) INDICATES THE PERCENT VARIATION OF THE MEAN IN EACH COLUMN.