TABLE 18. PERCENT COVER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST 1/ AT KINGSTON (SALT TOLERANCE IN GREENHOUSE), RI 2/ 2011 DATA ADJUSTED PERCENT COVER RATINGS PERCENT COVER FOR DIFFERENT SALT LEVELS (PPM) FOR DIFFERENT SALT LEVELS (PPM) NAME 5000 3/ 7500 10000 12500 15000 7500 4/ 10000 12500 15000 PST-2MAGS 95.0 99.0 89.5 79.5 66.0 104.3 94.3 83.8 69.3 RINOVO 38.3 52.3 53.3 35.8 19.8 153.8 149.0 94.8 62.8 PPG-PR 121 82.3 88.8 84.3 66.0 41.3 109.0 102.3 80.5 50.0 IS-PR 479 92.0 91.0 82.8 62.0 38.3 99.3 89.8 67.5 41.8 PINNACLE 84.8 83.8 85.0 62.5 34.0 99.0 100.8 73.8 40.8 PST-2NKM 85.0 87.3 77.8 55.0 32.8 103.8 90.8 62.8 37.3 UNO 87.5 89.3 85.0 67.3 32.0 102.3 97.3 76.8 36.8 RAD-PR62 85.8 92.5 86.0 48.0 29.0 108.5 101.3 56.0 34.5 BAR LP 7608 91.5 97.3 94.3 73.3 30.8 107.5 105.0 80.0 33.5 BRIGHTSTAR SLT 88.8 81.0 75.0 56.8 30.5 91.5 84.0 63.0 33.5 PICK 4DFHM 77.0 80.5 69.5 55.5 26.0 104.5 90.8 70.8 33.3 S85 81.5 72.0 71.8 40.3 25.3 89.8 90.8 52.0 32.8 SRX-4MSH 40.5 54.3 44.0 31.0 15.0 156.8 125.5 72.5 32.8 HAVEN (APR 2038) 72.8 78.5 70.5 48.5 23.5 107.3 97.0 67.3 32.5 IS-PR 409 74.5 80.0 68.3 37.0 23.5 107.8 91.5 49.0 32.0 A-35 77.8 82.5 77.3 63.0 24.5 106.3 99.5 81.0 31.5 INSIGHT 53.0 60.5 59.0 45.5 16.5 118.0 114.8 87.8 31.3 BONNEVILLE 84.3 82.0 83.5 55.3 26.5 98.0 99.8 66.3 31.0 P02 92.3 90.5 91.0 67.8 28.3 98.0 98.5 73.0 30.8 ISG-36 85.3 84.8 80.8 63.0 26.0 99.3 94.8 74.0 30.3 PANGEA GLR (CL 11701) 78.0 87.5 88.3 50.3 21.8 113.3 116.0 66.8 30.0 SR 4650 (PSRX-3701) 79.5 77.5 66.3 46.8 24.0 99.0 82.0 57.8 29.5 CST 90.5 89.0 90.8 68.3 26.3 98.5 100.5 75.5 29.3 GO-G37 87.8 91.3 91.0 73.0 25.8 104.5 104.5 84.8 29.3 BAR LP 10970 80.5 75.5 62.8 52.8 24.0 94.8 78.0 65.0 27.8 JR-178 84.0 78.3 73.0 55.3 23.8 93.0 86.5 65.3 27.5 ISG-31 85.3 88.5 90.8 71.5 23.0 104.0 107.0 84.5 27.3 PPG-PR 138 90.3 92.0 94.3 63.5 24.5 102.8 105.3 69.5 27.3 PST-2K9 92.5 92.0 90.8 73.3 23.5 100.0 99.0 79.5 26.8 OCTANE 44.8 45.0 31.0 22.8 10.8 103.3 73.3 54.3 26.5 DLF LGT 4182 86.8 94.5 88.8 53.8 22.0 109.3 103.0 63.5 26.3 IS-PR 469 73.8 80.3 72.3 52.5 19.0 108.5 99.0 72.8 26.3 PPG-PR 142 83.8 85.5 78.3 52.8 21.5 102.5 93.3 63.0 26.3 PIZZAZZ 2 GLR (PR 909) 85.8 84.8 77.3 37.5 22.8 98.5 90.0 42.0 26.3 PPG-PR 140 79.3 86.3 85.8 52.0 20.5 109.0 108.3 65.0 25.8 IS-PR 489 80.0 89.3 89.3 66.5 20.5 111.8 112.0 84.3 25.3 BAR LP 10972 80.5 83.0 90.3 63.8 19.8 103.5 112.5 79.8 25.0 PPG-PR 137 77.5 86.8 72.0 50.0 18.8 111.5 92.5 64.8 24.0 DOMINATOR (PST-2AG4) 53.0 53.5 50.5 24.0 11.8 105.0 97.0 47.3 23.8 APR 2445 91.3 86.8 81.3 61.3 21.5 95.3 89.3 67.3 23.3 SIDEWAYS (PSRX-S84) 83.0 88.8 86.0 63.8 19.8 107.3 104.3 75.0 23.3 GO-PR60 80.8 89.5 76.3 52.0 18.8 112.5 95.3 66.5 23.0 IS-PR 487 79.8 90.5 87.5 62.5 18.3 114.8 110.3 79.0 22.3 PPG-PR 133 85.3 88.0 75.0 49.0 18.8 103.8 87.0 56.5 21.3 ISG-30 60.3 70.0 62.0 27.0 14.5 119.5 108.3 45.0 20.3 PPG-PR 165 45.0 42.8 38.3 20.0 7.0 104.0 95.0 48.3 20.3 APR 2320 81.8 87.8 70.3 31.0 14.3 111.5 89.0 39.5 20.0 DLF LGD-3022 75.0 81.3 66.8 50.8 14.5 110.5 90.8 67.0 20.0 APR 2036 89.0 88.3 86.8 64.8 17.8 100.3 99.3 73.3 19.8 PRX-4GM1 75.0 66.0 55.5 34.8 15.5 87.5 72.5 44.3 19.0 PSRX-4CAGL 74.3 72.5 55.0 30.3 15.0 97.8 69.3 35.0 18.0 DLF LGD-3026 84.5 82.3 77.3 41.8 15.0 97.8 90.8 47.8 17.0 TABLE 18. PERCENT COVER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST 1/ (CONT'D) AT KINGSTON (SALT TOLERANCE IN GREENHOUSE), RI 2/ 2011 DATA ADJUSTED (RELATIVE) PERCENT COVER RATINGS PERCENT COVER FOR DIFFERENT SALT LEVELS (PPM) FOR DIFFERENT SALT LEVELS (PPM) NAME 5000 3/ 7500 10000 12500 15000 7500 4/ 10000 12500 15000 PPG-PR 128 84.0 87.8 69.8 51.3 13.8 106.0 82.8 58.3 17.0 RAD-PR55R 80.3 82.3 71.3 36.5 13.5 102.3 88.5 45.3 16.8 CS-PR66 87.0 94.5 82.3 63.0 13.8 108.8 95.0 72.8 16.5 PST-204D 66.8 63.3 65.3 25.0 8.8 98.5 103.8 43.3 16.5 RIO VISTA 91.0 95.5 87.5 71.5 14.5 105.3 96.8 78.8 16.5 SOX FAN (GM3) 85.3 87.5 65.8 32.8 13.5 104.0 77.0 39.3 15.8 PICK 10401 75.5 87.3 67.8 48.8 12.0 117.0 90.5 64.8 15.5 PPG-PR 136 91.5 90.5 93.0 71.8 14.3 98.5 101.5 78.3 15.3 CL 307 70.5 66.3 58.5 31.8 10.8 93.0 81.5 42.3 14.5 CS-20 67.5 64.5 60.5 24.8 10.3 97.5 88.8 35.3 14.3 IS-PR 491 86.0 89.5 78.3 36.5 10.8 103.5 90.5 42.5 13.0 IS-PR 488 67.0 65.8 51.5 20.5 8.0 97.8 77.0 30.0 11.8 LINN 73.0 78.5 65.0 57.0 10.5 116.0 91.3 77.3 11.8 CL 11601 60.8 70.5 55.5 24.8 5.5 129.5 95.0 41.8 11.0 LTP-PR 135 89.3 96.3 90.0 57.3 10.8 109.8 102.5 62.8 11.0 PST-2BNS 82.8 82.0 75.8 43.8 9.5 98.5 90.5 50.0 10.8 SRX-4RHD 84.3 86.8 73.5 53.8 8.3 103.3 87.5 64.3 10.0 ALLANTE 88.8 96.0 83.5 64.3 8.8 109.0 93.3 71.5 9.5 JR-192 76.3 91.8 83.3 51.5 5.3 122.8 112.0 70.8 9.0 IS-PR 463 68.5 66.3 55.5 26.8 6.5 101.5 84.3 36.8 8.8 PPG-PR 164 68.8 81.5 74.0 43.3 5.0 119.8 109.5 65.0 8.5 PST-2DR9 89.8 94.0 85.3 68.0 7.3 104.5 95.0 75.8 8.5 GO-DHS 77.0 63.8 59.8 22.8 6.3 83.8 77.5 28.8 7.5 FIESTA 4 78.0 83.0 81.0 48.3 5.5 107.5 104.3 63.5 7.3 PST-2MG7 92.3 91.5 86.0 51.5 6.5 99.0 93.5 56.3 7.3 2NJK 79.5 82.0 78.8 50.0 6.3 105.8 100.5 64.8 7.0 MACH I 54.3 60.3 49.5 24.5 4.5 119.8 90.8 39.3 7.0 SIENNA 76.8 83.5 55.5 26.5 5.0 111.3 72.0 34.0 6.5 PPG-PR 134 83.0 82.0 73.0 30.3 5.5 99.5 88.3 33.8 6.3 PALMER V 77.0 80.0 63.5 39.3 4.8 110.3 87.0 55.3 5.5 PPG-PR 143 82.3 92.5 76.8 43.3 4.5 113.0 92.3 51.5 5.5 BAR LP 10969 79.5 70.3 63.5 18.0 3.5 90.0 83.3 22.8 4.0 PST-2ACR 75.5 78.3 52.8 7.5 2.3 103.0 70.8 10.5 3.3 LTP-RAE 73.3 78.5 57.3 21.5 1.8 108.8 78.0 29.3 2.8 PST-2TQL 67.0 72.8 57.8 9.0 1.5 109.0 86.5 13.5 2.3 IS-PR 492 39.3 63.8 42.5 4.0 0.0 166.8 112.3 10.0 0.0 LSD VALUE 17.6 17.7 24.2 28.4 17.3 38.4 59.5 39.6 23.3 C.V. (%) 16.0 15.3 22.2 41.0 69.7 18.4 23.4 40.8 70.6 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. 3/ THE 5000 PPM SALT LEVEL IS CONSIDERED THE HIGHEST LEVEL MOST PERENNIAL RYEGRASS WILL TOLERATE WITHOUT DAMAGE (THEREFORE OUR BASE LEVEL). SALT LEVELS WERE INCREASED BY 2500 PPM EVERY TWO WEEKS THEREAFTER AND PERCENT COVER RATINGS WERE GENERATED FROM DIGITAL IMAGES. 4/ THE ADJUSTED COVER RATINGS SHOW PERCENTAGE COVER IN EACH POT AS COMPARED TO THE 5000 PPM LEVEL (THE BASE OR STARTING LEVEL). TABLE A. 2011 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST SOIL SOIL SUN MOWING SOIL SOIL PHOSPHOROUS POTASSIUM NITROGEN OR HEIGHT IRRIGATION LOCATION TEXTURE PH (LBS/ACRE) (LBS/ACRE) (LBS/1000 SQ FT) SHADE (IN) PRACTICED RI1 - - - - - - - -