TABLE 12.   WHITE GRUB RATINGS OF PERENNIAL RYEGRASS CULTIVARS
                                                                         1990 DATA
                                                                             
                                                            WHITE GRUB RATINGS 1-9; 9=NO DAMAGE  1/

                                                           NAME                     MD1    MEAN

                                                           PST-2HH (CHARGER)        8.3     8.3
                                                           PSU-333                  7.7     7.7
                                                           CITATION II              7.3     7.3
                                                           COWBOY                   7.3     7.3
                                                           GOALIE                   7.3     7.3
                                                           OMEGA II                 7.3     7.3
                                                           TARA                     7.3     7.3
                                                           BRENDA                   7.0     7.0
                                                           NK 80389                 7.0     7.0
                                                           246                      6.7     6.7
                                                           GATOR                    6.7     6.7
                                                           ALLAIRE                  6.3     6.3
                                                           BELLE                    6.3     6.3
                                                           PICK 715 (EDGE)          6.3     6.3
                                                           PST-M2E (MAN. II W/E)    6.3     6.3
                                                           RONJA                    6.3     6.3
                                                           BARRY                    6.0     6.0
                                                           DERBY                    6.0     6.0
                                                           DIPLOMAT                 6.0     6.0
                                                           PATRIOT                  6.0     6.0
                                                           REGAL                    6.0     6.0
                                                           REGENCY                  6.0     6.0
                                                           SR 4100                  6.0     6.0
                                                           ACROBAT                  5.7     5.7
                                                           DELRAY                   5.7     5.7
                                                           MOM LP 763 (TORONTO)     5.7     5.7
                                                           PST-250 (COMPETITOR)     5.7     5.7
                                                           PST-259 (COMMANDER)      5.7     5.7
                                                           SHERIFF                  5.7     5.7
                                                           YORKTOWN II              5.7     5.7
                                                           DEL 946                  5.3     5.3
                                                           J208                     5.3     5.3
                                                           OVATION                  5.3     5.3
                                                           PALMER                   5.3     5.3
                                                           PICK 647 (RIVIERA)       5.3     5.3
                                                           PSU-222                  5.3     5.3
                                                           RANGER                   5.3     5.3
                                                           RUNAWAY                  5.3     5.3
                                                           SR 4031 (NOVA)           5.3     5.3
                                                           ISI-851 (LINDSAY)        5.0     5.0
                                                           PICK 233 (DASHER II)     5.0     5.0
                                                           SR 4000                  5.0     5.0
                                                           BAR LP 454 (BARCREDO)    4.7     4.7
                                                           BIRDIE II                4.7     4.7
                                                           PICK 300 (BLAZER II)     4.7     4.7
                                                                              
                                                                             
                                                                             
                                                    WHITE GRUB RATINGS OF PERENNIAL RYEGRASS CULTIVARS
                                                                         1990 DATA
                                                                             
                                                            WHITE GRUB RATINGS 1-9; 9=NO DAMAGE

                                                           NAME                     MD1    MEAN

                                                           PRELUDE                  4.7     4.7
                                                           PST-2DD                  4.7     4.7
                                                           RIVAL                    4.7     4.7
                                                           BAR LP 410 (BARRAGE)     4.3     4.3
                                                           MANHATTAN                4.3     4.3
                                                           PAVO                     4.3     4.3
                                                           PST-2PM (SATURN)         4.3     4.3
                                                           VINTAGE-2DF              4.3     4.3
                                                           ISI-K2 (DILLON)          4.0     4.0
                                                           KWS-AL-2 (AQUARIUS)      4.0     4.0
                                                           LINN                     4.0     4.0
                                                           MANHATTAN II             4.0     4.0
                                                           RODEO                    4.0     4.0
                                                           PST-2H7 (DIMENSION)      3.7     3.7
                                                           REPELL                   3.7     3.7
                                                           CALIENTE                 3.3     3.3
                                                           PENNFINE                 3.3     3.3
                                                           J207                     3.0     3.0
                                                           PENNANT                  3.0     3.0
                                                           PICK 600 (FIESTA II)     2.7     2.7

                                                           LSD VALUE                3.8     3.8

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