TABLE 30. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF TALL FESCUE CULTIVARS IN THE 2006 NATIONAL TALL FESCUE TEST AT PUYALLUP, WA 1/ 2009 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC LEAF WINTER DENSITY PERCENT POA ANNUA QUALITY RATINGS NAME COLOR TEXTURE COLOR WINTER APR SEP FEB MAR APR MAY JUN AUG SEP OCT NOV DEC MEAN CATELYST (NA-BT-1) 7.0 4.7 5.3 7.7 30.0 26.7 5.0 5.0 4.3 4.7 4.7 4.0 4.3 5.3 4.7 4.3 4.6 3RD MILLENNIUM SRP 7.7 4.0 6.0 6.3 33.3 15.0 4.3 4.3 4.0 5.7 4.7 4.3 5.0 4.3 4.7 4.0 4.5 FIRENZA 7.7 4.7 4.3 6.0 36.7 23.3 4.3 4.3 4.0 5.3 4.0 4.7 4.7 5.7 3.3 4.3 4.5 WOLFPACK II (PST-5WMB) 7.0 4.7 5.0 7.3 33.3 36.7 5.3 4.0 4.3 4.3 4.3 4.0 4.0 5.3 5.7 4.0 4.5 ESSENTIAL (IS-TF-154) 7.7 4.7 4.3 6.7 40.0 33.3 4.0 3.7 4.0 4.7 4.7 4.7 4.7 5.3 4.3 4.3 4.4 FAITH (K06-WA) 7.7 4.7 5.0 7.3 36.7 35.0 4.7 4.0 4.0 5.0 5.0 4.3 4.3 4.7 4.0 4.3 4.4 SPEEDWAY (STR-8BPDX) 7.7 4.3 4.0 6.5 46.7 21.7 4.0 4.3 3.7 4.3 4.0 4.0 5.3 5.3 4.7 4.5 4.4 SR 8650 (STR-8LMM) 8.0 4.0 5.0 7.3 36.7 30.0 5.0 4.3 3.7 5.3 4.3 3.7 4.0 4.7 4.0 4.7 4.4 TRAVERSE SRP (RK-1) 7.3 4.7 5.0 7.0 36.7 21.7 5.0 4.7 4.0 5.3 4.3 4.3 4.3 4.7 4.0 3.7 4.4 VAN GOGH (LTP-RK2) 7.7 5.0 5.0 6.7 33.3 26.7 4.7 4.7 3.3 5.7 4.3 4.3 4.0 4.3 4.7 4.0 4.4 FALCON V (ATM) 7.7 4.7 5.7 7.7 50.0 43.3 5.0 4.3 3.7 4.7 4.7 4.0 3.7 4.7 4.0 4.7 4.3 GAZELLE II (PST-5HP) 7.3 4.3 4.3 6.7 36.7 26.7 4.7 4.3 4.0 4.7 5.3 3.7 4.7 4.0 3.7 4.0 4.3 PSG-85QR 7.3 4.0 4.7 6.7 43.3 28.3 4.7 4.3 3.3 5.3 3.7 4.0 4.3 4.3 4.3 4.3 4.3 RHAMBLER SRP (RHAMBLER) 7.7 5.0 5.3 6.7 40.0 21.7 4.3 4.7 4.0 4.7 3.7 4.3 4.0 5.3 4.3 3.7 4.3 RK 4 8.0 5.0 4.3 6.3 46.7 31.7 4.0 3.7 4.0 5.0 4.3 4.7 4.3 4.3 4.3 4.0 4.3 LS 1200 (SC-1) 8.0 5.3 5.7 7.3 33.3 20.0 5.0 4.0 4.0 4.3 4.0 3.7 4.3 5.0 4.0 4.3 4.3 SHENANDOAH ELITE (RK 6) 7.3 5.0 4.7 7.0 36.7 25.0 4.3 4.3 4.3 4.7 4.0 4.3 4.3 5.0 4.0 3.7 4.3 FINELAWN XPRESS (RP 2) 7.7 4.7 4.3 6.7 40.0 36.7 4.7 4.0 3.7 4.7 4.0 3.7 4.0 5.3 4.7 3.7 4.2 GO-1BFD 7.0 3.3 5.0 6.3 33.3 48.3 4.3 4.7 4.3 4.7 4.7 4.0 3.7 4.3 4.0 3.0 4.2 HEMI 7.3 4.3 5.3 7.0 43.3 33.3 4.3 4.0 3.7 4.0 4.0 4.3 4.0 4.7 4.3 4.3 4.2 MVS-1107 7.3 3.7 5.0 6.7 50.0 30.0 4.3 4.0 3.3 5.0 4.3 4.3 4.7 4.7 3.7 3.7 4.2 PSG-82BR 7.0 4.3 4.7 6.7 36.7 25.0 4.0 4.0 4.3 5.0 4.0 4.3 4.3 4.7 4.0 3.7 4.2 CEZANNE RZ (LTP-CRL) 7.7 4.0 5.0 6.3 40.0 38.3 4.3 4.0 3.3 4.7 4.3 4.0 4.3 4.3 3.7 3.7 4.1 MUSTANG 4 (M4) 7.7 4.0 4.7 6.7 36.7 36.7 4.3 4.7 3.7 5.3 3.7 3.3 3.7 4.7 4.0 3.3 4.1 PADRE 7.0 3.3 4.3 5.7 43.3 28.3 4.0 4.3 4.0 6.0 3.7 4.0 4.3 4.3 3.3 3.3 4.1 SHENANDOAH III (SH 3) 7.0 5.0 5.0 7.7 36.7 33.3 4.7 5.0 3.7 4.7 3.7 3.7 4.0 4.7 3.3 4.0 4.1 GARRISON (IS-TF-153) 8.0 4.3 4.3 6.7 50.0 45.0 4.0 3.7 3.3 3.7 3.7 3.7 3.7 6.0 4.0 4.3 4.0 FIRECRACKER LS (MVS-MST) 8.0 5.0 5.3 6.7 40.0 31.7 4.7 3.7 3.7 4.3 4.0 3.7 4.0 4.3 4.0 3.7 4.0 JAMBOREE (IS-TF-128) 7.0 4.0 4.7 6.0 33.3 35.0 3.7 3.7 3.3 5.0 4.7 3.7 4.0 4.7 3.3 3.7 4.0 MONET (LTP-610 CL) 7.3 4.3 4.0 4.7 53.3 35.0 3.0 3.7 3.3 4.3 3.7 4.7 4.0 5.3 4.0 4.0 4.0 RK 5 8.0 4.7 4.7 5.3 53.3 40.0 4.0 3.7 3.7 4.0 4.0 4.0 4.3 4.3 4.3 4.0 4.0 SIDEWINDER (IS-TF-138) 8.0 4.7 4.7 6.7 46.7 31.7 4.0 4.0 3.7 4.0 4.7 4.3 4.0 4.7 3.3 3.7 4.0 SKYLINE 8.0 4.0 5.3 6.3 43.3 36.7 4.7 4.3 3.7 4.7 4.3 3.0 4.0 4.0 3.7 3.3 4.0 TRIO (IS-TF-152) 8.0 4.0 3.7 5.0 33.3 30.0 3.7 4.0 3.7 4.7 3.3 3.7 4.7 4.7 4.3 3.0 4.0 J-140 7.7 3.7 4.7 5.7 43.3 43.3 4.3 4.3 3.7 4.7 3.7 3.7 3.7 3.7 3.7 3.7 3.9 ROCKET (IS-TF-147) 7.7 3.7 4.7 6.7 36.7 45.0 4.0 3.7 3.3 4.7 4.0 3.3 4.0 4.3 4.0 3.3 3.9 STR-8BB5 7.7 4.3 4.0 5.7 40.0 31.7 3.3 4.0 4.0 4.7 4.3 3.7 4.0 4.3 3.3 3.3 3.9 TITANIUM LS (MVS-BB-1) 7.0 3.7 4.7 6.3 40.0 53.3 4.3 4.3 3.3 4.7 4.0 3.3 3.3 4.7 3.3 3.7 3.9 TURBO RZ (BURL-TF8) 7.7 3.0 5.0 6.7 56.7 46.7 4.3 3.7 4.0 5.0 4.0 4.0 3.7 3.7 3.3 3.3 3.9 BULLSEYE 7.7 4.3 4.7 5.7 46.7 40.0 4.0 3.7 3.3 4.7 3.7 3.3 3.7 4.3 3.3 4.0 3.8 COCHISE IV (RKCL) 8.0 5.3 3.3 5.7 46.7 46.7 3.3 4.0 3.3 5.0 3.3 3.3 3.7 4.3 4.3 3.7 3.8 FALCON IV 7.7 4.3 4.7 4.7 50.0 40.0 4.3 3.7 3.7 4.0 3.7 4.3 4.0 4.0 3.3 3.3 3.8 GE-1 7.3 3.3 4.7 5.3 43.3 50.0 4.0 3.7 3.7 5.0 4.3 3.7 3.3 4.0 3.0 3.3 3.8 HONKY TONK (RAD-TF17) 8.0 3.3 4.7 5.0 56.7 53.3 3.3 4.0 3.7 4.3 3.7 3.3 3.3 5.0 3.7 3.7 3.8 JT-41 8.0 4.3 4.3 6.3 46.7 48.3 3.7 3.7 4.0 4.3 4.7 3.7 3.7 4.3 3.0 3.0 3.8 TABLE 30. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF TALL FESCUE CULTIVARS (CONT'D) IN THE 2006 NATIONAL TALL FESCUE TEST AT PUYALLUP, WA 1/ 2009 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC LEAF WINTER DENSITY PERCENT POA ANNUA QUALITY RATINGS NAME COLOR TEXTURE COLOR WINTER APR SEP FEB MAR APR MAY JUN AUG SEP OCT NOV DEC MEAN JUSTICE 7.7 4.0 4.0 5.7 50.0 46.7 4.0 4.0 3.3 4.7 3.7 4.0 3.3 4.0 3.7 3.7 3.8 NINJA 3 (ATF 1247) 7.7 3.7 4.3 6.7 40.0 40.0 3.7 3.7 3.7 5.0 3.7 3.7 3.7 4.0 3.3 3.3 3.8 BAR FA 6253 7.7 3.7 4.3 6.3 53.3 43.3 4.0 3.3 4.0 3.7 3.3 3.7 3.3 4.0 4.0 3.3 3.7 BRAVEHEART (DP 50-9407) 7.3 4.0 4.3 5.7 50.0 33.3 4.3 3.7 3.3 4.0 3.3 3.3 4.3 3.7 3.7 3.7 3.7 JT-36 8.0 4.0 4.3 5.7 50.0 40.0 3.3 4.0 3.7 4.3 3.7 3.7 3.3 4.0 3.7 3.3 3.7 JT-45 7.7 3.7 4.0 5.3 43.3 30.0 3.0 4.3 3.7 4.0 3.3 4.0 4.0 4.0 3.3 3.7 3.7 RAPTOR II (MVS-TF-158) 7.7 3.7 4.0 5.3 46.7 53.3 3.7 3.7 3.3 5.3 3.7 3.7 3.3 4.0 3.0 3.0 3.7 REBEL IV 7.3 3.7 4.7 6.0 50.0 46.7 4.3 4.3 3.3 4.7 3.3 3.3 3.7 4.0 3.3 3.0 3.7 TURBO 7.7 4.7 5.0 5.7 53.3 45.0 3.7 4.0 3.0 4.3 3.7 3.0 3.7 4.0 3.7 4.0 3.7 06-DUST 7.7 2.7 4.3 6.0 56.7 63.3 3.3 3.7 3.3 4.0 4.0 3.7 2.7 4.3 3.7 3.0 3.6 ATF 1328 8.0 3.3 5.0 6.3 60.0 46.7 4.3 4.0 3.0 4.3 3.7 3.0 3.3 4.0 3.0 3.0 3.6 COMPETE (LS-06) 8.0 4.0 4.3 5.0 46.7 50.0 3.3 4.0 3.7 4.0 3.7 3.3 3.7 4.0 3.3 3.0 3.6 CORONA (COL-M) 8.0 4.7 4.3 6.7 53.3 46.7 4.0 4.3 3.7 4.0 3.3 3.3 3.3 3.7 3.0 3.3 3.6 ESCALADE 7.3 4.3 4.7 6.0 46.7 43.3 4.0 4.3 3.3 4.7 3.7 2.7 3.3 4.0 3.3 3.0 3.6 FALCON NG (CE 1) 7.3 4.3 4.7 5.7 36.7 43.3 4.0 4.7 3.0 4.3 4.0 3.0 3.7 3.0 3.0 3.3 3.6 FAT CAT (IS-TF-161) 8.0 3.7 4.3 6.3 43.3 46.7 3.7 3.7 3.3 4.3 3.7 3.0 3.7 3.7 3.3 4.0 3.6 IS-TF-159 7.7 4.0 5.0 5.7 43.3 40.0 3.7 4.0 3.3 4.3 3.3 3.0 3.7 4.3 3.3 3.3 3.6 J-130 8.0 4.0 4.3 6.3 43.3 38.3 4.0 3.7 3.3 4.3 3.3 3.3 3.7 3.7 4.0 3.0 3.6 JT-33 7.3 3.7 4.0 5.3 46.7 46.7 3.0 4.0 4.0 4.0 4.0 3.3 3.7 4.3 3.0 3.0 3.6 MAGELLAN 7.7 3.3 4.7 5.3 53.3 50.0 4.0 3.7 3.7 4.7 3.3 3.3 3.3 4.0 2.7 3.0 3.6 MVS-341 7.3 3.7 5.0 6.3 33.3 43.3 4.0 4.0 3.0 4.7 3.3 3.3 3.7 4.0 2.7 3.0 3.6 PEDIGREE (ATF-1199) 7.3 4.0 5.0 6.7 43.3 40.0 4.0 4.3 3.3 4.3 4.0 3.7 3.7 3.3 3.0 2.7 3.6 PSG-TTRH 7.7 4.0 5.3 5.3 36.7 26.7 4.0 3.3 3.3 5.0 3.7 3.3 4.3 4.0 2.7 2.7 3.6 REMBRANDT 7.3 3.3 4.3 6.0 56.7 60.0 3.7 4.0 3.7 4.3 4.3 4.0 3.0 3.3 2.7 2.7 3.6 SPYDER LS (Z-2000) 7.7 4.3 4.7 5.7 63.3 53.3 3.7 4.0 4.0 4.0 3.3 3.3 3.0 3.7 3.7 3.7 3.6 STETSON II (NA-SS) 7.3 3.7 4.7 6.3 46.7 53.3 3.7 4.0 3.7 4.3 4.0 3.3 3.3 3.7 2.7 3.0 3.6 STR-8GRQR 7.3 4.0 4.0 5.3 46.7 48.3 3.3 3.7 3.3 4.0 4.0 3.7 3.7 4.0 3.0 3.7 3.6 UMBRELLA (DP 50-9411) 7.7 4.0 4.7 5.3 50.0 43.3 4.0 3.3 3.0 4.7 3.7 3.3 3.3 4.0 3.3 3.3 3.6 06-WALK 8.0 3.7 4.3 5.7 46.7 43.3 4.0 4.0 3.3 4.0 4.3 3.0 3.3 3.3 3.3 2.7 3.5 AST 7002 7.3 3.0 4.3 5.3 56.7 63.3 3.7 4.3 3.3 3.7 3.3 3.3 2.3 4.0 3.7 3.0 3.5 AST7003 8.0 4.0 4.7 6.0 53.3 46.7 4.0 3.7 3.3 3.3 3.7 3.3 3.3 4.0 3.0 3.0 3.5 AST9001 (AST-3) 8.0 3.7 4.7 6.7 46.7 43.3 4.0 4.0 3.0 4.3 3.3 3.7 3.7 3.7 2.3 3.0 3.5 AST9002 (AST-2) 8.0 4.0 4.7 6.3 40.0 46.7 4.3 3.7 3.3 4.0 4.0 3.3 3.3 3.3 3.0 3.0 3.5 COL-1 7.7 3.7 3.7 5.7 40.0 46.7 3.0 3.3 3.3 3.7 4.3 4.0 3.3 4.3 3.0 3.0 3.5 GREENBROOKS (TG 50-9460) 8.0 4.3 5.0 5.3 50.0 53.3 4.0 3.7 3.3 4.7 3.0 3.0 3.3 4.0 3.3 2.7 3.5 JT-42 7.7 3.7 4.0 5.3 50.0 46.7 3.7 4.0 3.0 4.0 3.7 3.7 3.0 3.3 3.3 3.0 3.5 KZ-1 8.0 3.7 4.3 5.7 60.0 56.7 4.0 4.0 3.3 4.3 3.3 3.7 3.0 3.7 2.7 3.0 3.5 SILVERADO 7.0 3.0 4.0 5.0 50.0 50.0 3.0 3.3 3.7 5.0 4.3 4.0 3.3 3.3 2.3 2.7 3.5 TAHOE II 8.0 3.7 4.0 5.3 56.7 53.3 3.0 3.3 3.3 4.7 3.3 3.7 3.0 4.3 3.0 3.0 3.5 TALLADEGA (RP 3) 7.3 3.7 4.3 5.7 50.0 53.3 3.7 3.7 3.0 4.3 4.0 3.7 3.0 3.3 3.3 3.3 3.5 AST9003 (AST-1) 8.0 3.7 4.0 4.0 40.0 46.7 3.3 4.0 3.3 4.3 3.0 3.0 3.7 3.7 3.0 3.0 3.4 BAR FA 6363 7.3 3.3 4.0 5.0 50.0 36.7 3.7 4.0 3.0 4.0 3.0 3.3 4.3 3.3 2.7 3.0 3.4 BGR-TF1 7.7 4.7 4.3 6.0 40.0 66.7 3.7 3.7 3.3 4.3 3.3 3.0 3.0 4.0 2.7 3.0 3.4 CROSSFIRE 3 (COL-J) 8.0 3.0 4.3 6.3 50.0 56.7 3.7 4.0 3.3 4.7 3.7 3.0 3.0 3.3 2.7 2.7 3.4 DARLINGTON (CS-TF1) 8.0 3.7 4.3 4.7 36.7 43.3 3.7 3.3 3.0 3.7 3.3 3.7 3.3 3.7 3.3 3.3 3.4 TABLE 30. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF TALL FESCUE CULTIVARS (CONT'D) IN THE 2006 NATIONAL TALL FESCUE TEST AT PUYALLUP, WA 1/ 2009 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC LEAF WINTER DENSITY PERCENT POA ANNUA QUALITY RATINGS NAME COLOR TEXTURE COLOR WINTER APR SEP FEB MAR APR MAY JUN AUG SEP OCT NOV DEC MEAN RENOVATE (LS-11) 8.0 4.0 4.0 5.3 50.0 43.3 3.3 3.7 3.7 4.7 3.3 3.0 3.3 3.0 3.0 2.7 3.4 RNP 8.0 3.7 4.0 4.3 43.3 46.7 3.0 3.3 3.3 4.3 3.3 3.0 3.3 3.7 3.0 3.3 3.4 TERRIER (IS-TF-135) 7.3 3.3 4.0 5.7 46.7 53.3 3.3 3.3 3.3 4.7 3.3 3.0 3.3 3.7 3.0 3.3 3.4 TOCCOA (IS-TF-151) 8.0 3.7 3.7 5.7 56.7 56.7 4.0 3.7 3.0 3.7 3.7 3.0 3.0 4.0 3.0 3.0 3.4 AST 7001 8.0 3.7 3.7 5.3 50.0 56.7 3.7 3.3 3.3 4.7 3.0 3.0 3.0 3.3 3.0 2.3 3.3 AST1001 (AST-4) 8.0 3.7 4.3 5.7 53.3 46.7 4.0 3.3 3.3 3.0 3.3 3.0 3.3 3.3 3.0 3.0 3.3 BGR-TF2 8.0 3.7 4.0 5.0 43.3 60.0 4.0 4.0 3.3 3.7 3.3 3.0 3.0 3.3 2.7 3.0 3.3 BILTMORE 7.3 3.0 5.0 5.7 53.3 56.7 4.0 3.7 3.0 4.3 3.7 3.0 3.0 3.0 3.0 2.7 3.3 GWTF 8.0 3.7 4.3 5.7 63.3 56.7 3.7 4.0 3.0 4.0 3.0 3.0 3.0 3.7 3.0 2.7 3.3 HUNTER 7.7 3.0 4.0 5.0 56.7 56.7 3.0 3.7 3.0 4.3 3.3 3.0 3.0 3.7 3.0 3.3 3.3 LINDBERGH 7.3 2.7 4.0 5.0 53.3 60.0 4.0 4.0 3.3 3.7 3.0 3.0 3.0 3.7 2.7 2.7 3.3 PSG-RNDR 7.3 3.3 4.3 5.3 56.7 60.0 3.7 3.3 3.3 3.7 3.3 3.0 3.0 4.0 3.0 2.7 3.3 REUNION (LS-03) 8.0 3.7 5.0 5.7 56.7 60.0 4.3 3.7 3.0 3.3 3.0 3.3 3.0 3.7 3.0 3.0 3.3 TULSA TIME (TULSA III) 8.0 3.3 4.3 5.0 50.0 60.0 3.0 3.7 3.3 4.0 3.0 2.7 3.0 4.0 3.0 3.3 3.3 PLATO 7.0 3.7 4.3 5.7 63.3 56.7 3.3 3.7 2.7 3.0 4.0 2.7 3.3 3.7 2.7 2.7 3.2 PSG-TTST 7.0 3.0 4.7 6.3 50.0 63.3 4.0 3.7 3.7 3.7 3.0 2.7 2.7 3.3 2.7 2.7 3.2 0312 8.0 3.3 4.0 5.3 60.0 63.3 3.3 3.3 3.0 3.7 3.3 3.0 3.0 3.3 2.7 2.7 3.1 ARISTOTLE 7.0 3.0 4.3 5.7 66.7 70.0 3.7 3.7 3.0 4.0 2.7 3.0 3.0 3.0 2.3 2.7 3.1 CANNAVARO (DP 50-9440) 7.3 4.7 4.7 5.0 50.0 53.3 4.0 3.3 3.0 4.0 2.7 2.7 2.7 3.3 2.3 3.0 3.1 HUDSON (DKS) 7.3 3.7 4.3 5.0 60.0 60.0 4.0 3.3 3.0 3.3 2.7 2.7 3.3 3.7 2.7 2.7 3.1 KZ-2 7.7 2.7 4.3 5.7 56.7 66.7 3.7 3.7 3.3 3.7 3.3 2.7 2.7 3.3 2.7 2.3 3.1 EINSTEIN 6.7 3.3 4.3 5.7 53.3 56.7 3.7 3.3 3.0 3.7 3.0 2.3 3.3 3.0 2.3 2.3 3.0 KY-31 5.3 1.0 3.7 5.0 50.0 73.3 3.0 3.3 3.3 3.7 3.0 2.0 2.0 2.0 2.0 2.0 2.6 LSD VALUE 0.9 1.4 1.3 2.4 25.3 39.1 1.1 1.9 1.7 3.5 1.3 2.1 1.6 1.3 1.4 0.9 0.6 C.V. (%) 6.0 18.9 13.5 17.1 23.5 37.5 15.2 15.4 15.9 20.9 17.3 22.2 20.4 17.9 21.5 16.3 9.6 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. TABLE A. 2009 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2006 NATIONAL TALL FESCUE 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 WA3 SANDY LOAM 5.6-6.0 0-60 241-375 4.1-5.0 FULL SUN 1.6-2.0 ONLY DURING SEVERE STRESS