North Carolina State University

TOLERANCE OF CARPETGRASS AND ANNUAL BLUE-EYED GRASS CONTROL WITH FLAZASULFURON 25DG APPLIED FROM DORMANCY TO FULL GREENUP Trial ID: 06-T26 Protocol ID: 06-T26 Location: HIDDEN VALLEY GC Study Director: L.S. WARREN Investigator: Fred Yelverton General Trial Information Study Director: L.S. WARREN Title: PROFESSOR Affiliation: NORTH CAROLINA STATE UNIVERSITY Postal Code: 27695 E-mail: leon_warren@ncsu.edu Investigator: Fred Yelverton Title: PROFESSOR Affiliation: NORTH CAROLINA STATE UNIVERSITY Postal Code: 27695 E-mail: fred_yelverton@ncsu.edu Trial Location City: WILLOW SPRINGS Trial Status: COMPLETED State/Prov.: NC Postal Code: 27592 Initiation Date: 03-08-06 Country: USA Objectives: TO EVALUATE TOLERANCE OF CARPETGRASS AND ANNUAL BLUE-EYED GRASS CONTROL WITH FLAZASULFURON 25DG APPLIED FROM DORMANCY THROUGH FULL GREENUP Cooperator/Landowner Cooperator: MICHAEL GREGORY Country: USA Organization: HIDDEN VALLEY GOLF COURSE Phone No: 919/ Address 1: 7900 HIGHWAY 55 S City: WILLOW SPRINGS State/Prov: NC Postal Code: 27592 Crop Description Crop 1: AXOAF Axonopus affinis BBCH Scale: BGWE Narrow-leaf carpetgrass Pest Description Pest 1 Type: W Code: SISBE Sisyrinchium bermudiana Common Name: Blue-eyed grass, narrowleaf Pest 2 Type: W Code: POAAN Poa annua Common Name: Annual bluegrass Site and Design Plot Width, Unit: 4 FT Site Type: TURF - GOLF COURSE ROUGH Plot Length, Unit: 5 FT Tillage Type: NA Replications: 4 Study Design: Randomized Complete Block Soil Description % OM: 1.19 Texture: CLAY LOAM ph: 5.4 CEC: 5.6 Fert. Level: GOOD Moisture Conditions Overall Moisture Conditions: MAR 0.83"; APR 3.30"; MAY 2.14" Closest Weather Station: HARNETT COUNTY AIRPORT Distance: 10 Unit: MI

Application Description A B C Application Date: 03-08-06 04-10-06 05-16-06 Time of Day: 2:00 PM 10:00 AM 4:15 PM Application Method: SPRAY SPRAY SPRAY Application Timing: DORMANT 60% GREEN 100%GREEN Application Placement: BROFOL BROFOL BROFOL Applied By: L.S. WARREN L.S. WARREN L.S. WARREN Air Temperature, Unit: 65 F 60 F 72 F % Relative Humidity: 40 45 48 Wind Velocity, Unit: 4.0 MPH 0.8 MPH 1.2 MPH Dew Presence (Y/N): N Y N Soil Temperature, Unit: 57 F 56 F 73 F Soil Moisture: WET MOIST WET % Cloud Cover: 0 0 75 Crop Stage At Each Application A B C Crop 1 Code, BBCH Scale: AXOAF BGWE AXOAF BGWE AXOAF BGWE Stage Scale Used: BBCH BBCH BBCH Stage Majority, Percent: DORMANT 95 GREEN 60 GREEN 100 Height, Unit: 0.75 IN 1.5 IN 2.0 IN Pest Stage At Each Application A B C Pest 1 Code, Disc., Scale: SISBE W SISBE W SISBE W Stage Majority, Percent: VEG 100 VEG 100 FLOWER 100 Diameter, Unit: 4 IN 4 IN 5 IN Height, Unit: 1.5 IN 1.5 IN 2.5 IN Density, Unit: 1.5 FT2 1.5 FT2 1.5 FT2 Pest 2 Code, Disc., Scale: POAAN W POAAN W POAAN W Stage Majority, Percent: TILLER 100 SEEDED 100 SEEDED 100 Height, Unit: 1.25 IN 1.5 IN 2.5 IN Density, Unit: 1 FT2 1 FT2 1 FT2 Application Equipment A B C Appl. Equipment: BACPSR BACPSR BACPSR Operating Pressure, Unit: 28 PSI 28 PSI 28 PSI Nozzle Type: FLAT FAN FLAT FAN FLAT FAN Nozzle Size: XR 8002VS XR 8002VS XR 8002VS Nozzle Spacing, Unit: 10 IN 10 IN 10 IN Band Width, Unit: 40 IN 40 IN 40 IN Boom Length, Unit: 40 IN 40 IN 40 IN Boom Height, Unit: 10 IN 10 IN 10 IN Ground Speed, Unit: 3 MPH 3 MPH 3 MPH Carrier: WATER WATER WATER Spray Volume, Unit: 32.5 GPA 32.5 GPA 32.5 GPA Propellant: COMCO2 COMCO2 COMCO2 Tank Mix (Y/N): Y Y Y

TOLERANCE OF CARPETGRASS AND ANNUAL BLUE-EYED GRASS CONTROL WITH FLAZASULFURON 25DG APPLIED FROM DORMANCY TO FULL GREENUP Trial ID: 06-T26 Protocol ID: 06-T26 Location: HIDDEN VALLEY GC Study Director: L.S. WARREN Investigator: Fred Yelverton Pest Type Pest Code Crop Code AXOAF AXOAF AXOAF AXOAF AXOAF BBCH Scale BGWE BGWE BGWE BGWE BGWE Crop Name Narrow-leaf> Narrow-leaf> Narrow-leaf> Narrow-leaf> Narrow-leaf> Rating Date 03-22-06 03-29-06 04-06-06 04-10-06 04-17-06 Rating Data Type GREENUP GREENUP GREENUP GREENUP GREENUP Days After First/Last Applic. 14 14 21 21 29 29 33 0 40 7 Trt-Eval Interval 14 DA-A 21 DA-A 29 DA-A 33 DA-A 7 DA-B No. Name Conc Type Rate Unit Stage Code 1 2 3 4 5 1 FLAZASULFURON 25 DG 1.5 oz wt/a DORMANT A 3.5 b 5.5 b 13.0 b 23.5 b 53.8 a 2 FLAZASULFURON 25 DG 3 oz wt/a DORMANT A 1.8 b 3.5 b 3.5 cd 8.8 c 28.8 bc 3 FLAZASULFURON 25 DG 6 oz wt/a DORMANT A 1.5 b 3.3 b 1.8 d 3.8 c 12.5 c 4 CERTAINTY 75 WG 1.25 oz wt/a DORMANT A 3.5 b 6.3 b 11.3 bc 22.5 b 35.0 b 5 FLAZASULFURON 25 DG 1.5 oz wt/a 60%GREEN B 57.5 a 6 FLAZASULFURON 25 DG 3 oz wt/a 60%GREEN B 60.0 a 7 FLAZASULFURON 25 DG 6 oz wt/a 60%GREEN B 55.0 a 8 CERTAINTY 75 WG 1.25 oz wt/a 60%GREEN B 58.8 a 9 FLAZASULFURON 25 DG 1.5 oz wt/a 100% C 10 FLAZASULFURON 25 DG 3 oz wt/a 100% C 11 FLAZASULFURON 25 DG 6 oz wt/a 100% C 12 CERTAINTY 75 WG 1.25 oz wt/a 100% C 13 CHECK 7.5 a 15.0 a 36.3 a 57.5 a 71.3 a LSD (P=.05) 2.28 5.27 9.30 13.60 17.89 Standard Deviation 1.48 3.42 6.04 8.83 12.26 CV 41.62 51.07 45.9 38.05 25.51 Bartlett's X2 10.52 4.862 17.505 16.929 7.001 P(Bartlett's X2) 0.033* 0.302 0.002* 0.002* 0.537 Replicate F 3.137 2.078 0.349 0.433 0.154 Replicate Prob(F) 0.0654 0.1566 0.7905 0.7334 0.9260 Treatment F 10.557 7.915 20.874 22.635 9.227 Treatment Prob(F) 0.0007 0.0023 0.0001 0.0001 0.0001

Pest Type Pest Code Crop Code AXOAF AXOAF AXOAF AXOAF AXOAF BBCH Scale BGWE BGWE BGWE BGWE BGWE Crop Name Narrow-leaf> Narrow-leaf> Narrow-leaf> Narrow-leaf> Narrow-leaf> Rating Date 04-25-06 05-02-06 05-10-06 05-16-06 05-23-06 Rating Data Type COVERAGE COVERAGE COVERAGE COVERAGE COVERAGE Days After First/Last Applic. 48 15 55 22 63 30 69 0 76 7 Trt-Eval Interval 15 DA-B 22 DA-B 30 DA-B 36 DA-B 7 DA-C No. Name Conc Type Rate Unit Stage Code 6 7 8 9 10 1 FLAZASULFURON 25 DG 1.5 oz wt/a DORMANT A 78.8 a 88.8 a 90.0 ab 90.0 a 94.8 a 2 FLAZASULFURON 25 DG 3 oz wt/a DORMANT A 60.0 a 73.8 abc 83.8 ab 78.8 a 82.5 a 3 FLAZASULFURON 25 DG 6 oz wt/a DORMANT A 62.5 a 71.3 abc 85.0 ab 82.5 a 84.0 a 4 CERTAINTY 75 WG 1.25 oz wt/a DORMANT A 75.0 a 83.8 a 92.0 a 90.8 a 92.0 a 5 FLAZASULFURON 25 DG 1.5 oz wt/a 60%GREEN B 66.3 a 63.8 bcd 82.5 ab 85.0 a 90.8 a 6 FLAZASULFURON 25 DG 3 oz wt/a 60%GREEN B 63.8 a 55.0 cd 77.5 b 80.0 a 90.0 a 7 FLAZASULFURON 25 DG 6 oz wt/a 60%GREEN B 61.3 a 51.3 d 47.5 c 67.5 a 81.3 a 8 CERTAINTY 75 WG 1.25 oz wt/a 60%GREEN B 73.8 a 71.3 abc 90.0 ab 86.3 a 94.5 a 9 FLAZASULFURON 25 DG 1.5 oz wt/a 100% C 87.5 a 10 FLAZASULFURON 25 DG 3 oz wt/a 100% C 92.0 a 11 FLAZASULFURON 25 DG 6 oz wt/a 100% C 88.8 a 12 CERTAINTY 75 WG 1.25 oz wt/a 100% C 85.0 a 13 CHECK 67.5 a 75.0 ab 86.3 ab 83.8 a 88.8 a LSD (P=.05) 18.25 19.74 14.26 16.77 12.77 Standard Deviation 12.50 13.53 9.77 11.49 8.93 CV 18.49 19.21 11.98 13.89 10.08 Bartlett's X2 21.391 13.698 13.234 23.013 18.936 P(Bartlett's X2) 0.006* 0.09 0.104 0.003* 0.09 Replicate F 1.580 0.075 0.761 0.441 0.250 Replicate Prob(F) 0.2203 0.9730 0.5269 0.7256 0.8606 Treatment F 1.144 3.271 7.682 1.481 0.956 Treatment Prob(F) 0.3715 0.0115 0.0001 0.2159 0.5057

Pest Type Pest Code Crop Code AXOAF AXOAF AXOAF AXOAF AXOAF BBCH Scale BGWE BGWE BGWE BGWE BGWE Crop Name Narrow-leaf> Narrow-leaf> Narrow-leaf> Narrow-leaf> Narrow-leaf> Rating Date 05-31-06 06-07-06 06-12-06 04-25-06 05-02-06 Rating Data Type COVERAGE COVERAGE COVERAGE INJURY INJURY Days After First/Last Applic. 84 15 91 22 96 27 48 15 55 22 Trt-Eval Interval 15 DA-C 22 DA-C 27 DA-C 15 DA-B 22 DA-B No. Name Conc Type Rate Unit Stage Code 11 12 13 14 15 1 FLAZASULFURON 25 DG 1.5 oz wt/a DORMANT A 95.0 a 98.0 a 98.3 a 0.0 d 0.0 d 2 FLAZASULFURON 25 DG 3 oz wt/a DORMANT A 85.0 a 95.3 a 94.0 a 0.0 d 0.0 d 3 FLAZASULFURON 25 DG 6 oz wt/a DORMANT A 86.3 a 96.0 a 95.3 a 0.0 d 0.0 d 4 CERTAINTY 75 WG 1.25 oz wt/a DORMANT A 91.3 a 97.3 a 98.5 a 0.0 d 2.5 d 5 FLAZASULFURON 25 DG 1.5 oz wt/a 60%GREEN B 92.5 a 97.3 a 98.5 a 32.5 b 21.3 b 6 FLAZASULFURON 25 DG 3 oz wt/a 60%GREEN B 91.3 a 97.3 a 97.5 a 37.5 ab 37.5 a 7 FLAZASULFURON 25 DG 6 oz wt/a 60%GREEN B 87.5 a 97.3 a 97.5 a 40.0 a 45.0 a 8 CERTAINTY 75 WG 1.25 oz wt/a 60%GREEN B 92.5 a 98.0 a 98.3 a 20.0 c 12.5 c 9 FLAZASULFURON 25 DG 1.5 oz wt/a 100% C 87.5 a 94.5 ab 93.8 a 10 FLAZASULFURON 25 DG 3 oz wt/a 100% C 85.0 a 94.5 ab 94.0 a 11 FLAZASULFURON 25 DG 6 oz wt/a 100% C 83.8 a 91.3 b 93.5 a 12 CERTAINTY 75 WG 1.25 oz wt/a 100% C 87.5 a 94.5 ab 94.5 a 13 CHECK 90.8 a 97.3 a 96.8 a 0.0 d 0.0 d LSD (P=.05) 9.31 3.64 4.73 5.39 7.61 Standard Deviation 6.51 2.55 3.31 3.70 5.22 CV 7.33 2.65 3.44 25.58 39.53 Bartlett's X2 15.605 9.379 42.506 0.688 1.954 P(Bartlett's X2) 0.156 0.497 0.001* 0.709 0.744 Replicate F 2.434 0.446 2.031 1.763 0.502 Replicate Prob(F) 0.0807 0.7219 0.1269 0.1812 0.6844 Treatment F 1.159 2.347 1.502 94.627 45.562 Treatment Prob(F) 0.3477 0.0240 0.1688 0.0001 0.0001

Pest Type Pest Code Crop Code AXOAF AXOAF AXOAF AXOAF AXOAF BBCH Scale BGWE BGWE BGWE BGWE BGWE Crop Name Narrow-leaf> Narrow-leaf> Narrow-leaf> Narrow-leaf> Narrow-leaf> Rating Date 05-10-06 05-16-06 05-23-06 05-31-06 06-07-06 Rating Data Type INJURY INJURY INJURY INJURY INJURY Days After First/Last Applic. 63 30 69 0 76 7 84 15 91 22 Trt-Eval Interval 30 DA-B 36 DA-B 7 DA-C 15 DA-C 22 DA-C No. Name Conc Type Rate Unit Stage Code 16 17 18 19 20 1 FLAZASULFURON 25 DG 1.5 oz wt/a DORMANT A 0.0 d 0.0 b 0.0 a 0.0 c 0.0 c 2 FLAZASULFURON 25 DG 3 oz wt/a DORMANT A 0.0 d 0.0 b 0.0 a 0.0 c 0.0 c 3 FLAZASULFURON 25 DG 6 oz wt/a DORMANT A 0.0 d 0.0 b 0.0 a 0.0 c 0.0 c 4 CERTAINTY 75 WG 1.25 oz wt/a DORMANT A 2.5 cd 1.3 b 2.5 a 0.0 c 0.0 c 5 FLAZASULFURON 25 DG 1.5 oz wt/a 60%GREEN B 11.3 bc 0.0 b 0.0 a 0.0 c 0.0 c 6 FLAZASULFURON 25 DG 3 oz wt/a 60%GREEN B 21.3 b 3.8 b 0.0 a 0.0 c 0.0 c 7 FLAZASULFURON 25 DG 6 oz wt/a 60%GREEN B 52.5 a 16.3 a 0.0 a 0.0 c 0.0 c 8 CERTAINTY 75 WG 1.25 oz wt/a 60%GREEN B 7.5 cd 0.0 b 0.0 a 0.0 c 0.0 c 9 FLAZASULFURON 25 DG 1.5 oz wt/a 100% C 2.5 a 8.8 b 0.0 c 10 FLAZASULFURON 25 DG 3 oz wt/a 100% C 0.0 a 15.0 a 1.3 b 11 FLAZASULFURON 25 DG 6 oz wt/a 100% C 2.5 a 17.5 a 5.0 a 12 CERTAINTY 75 WG 1.25 oz wt/a 100% C 0.0 a 3.8 c 0.0 c 13 CHECK 0.0 d 0.0 b 0.0 a 0.0 c 0.0 c LSD (P=.05) 10.59 5.82 3.53 4.90 0.99 Standard Deviation 7.25 3.99 2.47 3.43 0.69 CV 68.71 168.96 427.74 99.15 144.22 Bartlett's X2 8.339 5.871 0.0 1.114 0.0 P(Bartlett's X2) 0.08 0.053 0.001* 0.774. Replicate F 0.634 1.556 0.316 2.503 1.000 Replicate Prob(F) 0.6005 0.2258 0.8138 0.0747 0.4040 Treatment F 22.756 7.211 0.789 13.190 16.333 Treatment Prob(F) 0.0001 0.0001 0.6578 0.0001 0.0001

Pest Type W Weed W Weed W Weed W Weed Pest Code POAAN POAAN POAAN POAAN Crop Code AXOAF BBCH Scale BGWE Crop Name Narrow-leaf> Rating Date 06-12-06 03-22-06 03-29-06 04-06-06 04-10-06 Rating Data Type INJURY INJURY INJURY CONTROL CONTROL Days After First/Last Applic. 96 27 14 14 21 21 29 29 33 0 Trt-Eval Interval 27 DA-C 14 DA-A 21 DA-A 29 DA-A 33 DA-A No. Name Conc Type Rate Unit Stage Code 21 22 23 24 25 1 FLAZASULFURON 25 DG 1.5 oz wt/a DORMANT A 0.0 a 50.0 a 77.5 b 72.5 ab 78.8 a 2 FLAZASULFURON 25 DG 3 oz wt/a DORMANT A 0.0 a 65.0 a 90.0 a 78.8 ab 83.8 a 3 FLAZASULFURON 25 DG 6 oz wt/a DORMANT A 0.0 a 63.3 a 90.0 a 95.0 a 95.8 a 4 CERTAINTY 75 WG 1.25 oz wt/a DORMANT A 0.0 a 48.8 a 73.8 b 66.3 b 71.3 a 5 FLAZASULFURON 25 DG 1.5 oz wt/a 60%GREEN B 0.0 a 6 FLAZASULFURON 25 DG 3 oz wt/a 60%GREEN B 0.0 a 7 FLAZASULFURON 25 DG 6 oz wt/a 60%GREEN B 0.0 a 8 CERTAINTY 75 WG 1.25 oz wt/a 60%GREEN B 0.0 a 9 FLAZASULFURON 25 DG 1.5 oz wt/a 100% C 0.0 a 10 FLAZASULFURON 25 DG 3 oz wt/a 100% C 0.0 a 11 FLAZASULFURON 25 DG 6 oz wt/a 100% C 0.0 a 12 CERTAINTY 75 WG 1.25 oz wt/a 100% C 0.0 a 13 CHECK 0.0 a 0.0 b 0.0 c 0.0 c 0.0 b LSD (P=.05) 0.00 17.80 6.60 25.31 25.81 Standard Deviation 0.00 11.43 4.28 16.43 16.75 CV 0.0 25.18 6.46 26.28 25.42 Bartlett's X2 0.0 1.197 3.728 9.627 9.081 P(Bartlett's X2). 0.55 0.053 0.022* 0.028* Replicate F 0.000 0.375 0.432 0.278 0.112 Replicate Prob(F) 1.0000 0.7728 0.7341 0.8402 0.9512 Treatment F 0.000 21.408 310.909 19.795 20.471 Treatment Prob(F) 1.0000 0.0001 0.0001 0.0001 0.0001

Pest Type W Weed W Weed W Weed W Weed W Weed Pest Code POAAN POAAN POAAN POAAN POAAN Crop Code BBCH Scale Crop Name Rating Date 04-17-06 04-25-06 05-02-06 05-10-06 05-16-06 Rating Data Type CONTROL CONTROL CONTROL CONTROL CONTROL Days After First/Last Applic. 40 7 48 15 55 22 63 30 69 0 Trt-Eval Interval 7 DA-B 15 DA-B 22 DA-B 30 DA-B 36 DA-B No. Name Conc Type Rate Unit Stage Code 26 27 28 29 30 1 FLAZASULFURON 25 DG 1.5 oz wt/a DORMANT A 97.5 a 85.0 ab 100.0 a 96.3 ab 92.5 a 2 FLAZASULFURON 25 DG 3 oz wt/a DORMANT A 98.8 a 98.8 a 100.0 a 100.0 a 100.0 a 3 FLAZASULFURON 25 DG 6 oz wt/a DORMANT A 100.0 a 100.0 a 100.0 a 100.0 a 100.0 a 4 CERTAINTY 75 WG 1.25 oz wt/a DORMANT A 100.0 a 91.3 a 87.5 a 90.0 b 86.3 a 5 FLAZASULFURON 25 DG 1.5 oz wt/a 60%GREEN B 13.8 b 66.3 b 83.3 ab 97.5 ab 98.8 a 6 FLAZASULFURON 25 DG 3 oz wt/a 60%GREEN B 7.5 c 82.5 ab 86.3 ab 99.5 a 100.0 a 7 FLAZASULFURON 25 DG 6 oz wt/a 60%GREEN B 10.0 bc 91.3 a 94.3 a 100.0 a 100.0 a 8 CERTAINTY 75 WG 1.25 oz wt/a 60%GREEN B 7.5 c 43.8 c 61.3 b 100.0 a 86.3 a 9 FLAZASULFURON 25 DG 1.5 oz wt/a 100% C 10 FLAZASULFURON 25 DG 3 oz wt/a 100% C 11 FLAZASULFURON 25 DG 6 oz wt/a 100% C 12 CERTAINTY 75 WG 1.25 oz wt/a 100% C 13 CHECK 0.0 d 0.0 d 0.0 c 0.0 c 0.0 b LSD (P=.05) 5.97 20.75 25.71 7.68 17.85 Standard Deviation 4.09 14.22 17.61 5.26 12.23 CV 8.46 19.42 22.25 6.04 14.41 Bartlett's X2 3.031 20.287 14.615 14.169 10.676 P(Bartlett's X2) 0.553 0.002* 0.006* 0.003* 0.014* Replicate F 0.221 0.608 0.480 1.000 0.871 Replicate Prob(F) 0.8805 0.6161 0.6995 0.4098 0.4697 Treatment F 557.097 21.086 13.303 155.583 27.986 Treatment Prob(F) 0.0001 0.0001 0.0001 0.0001 0.0001

Pest Type W Weed W Weed W Weed W Weed W Weed Pest Code SISBE SISBE SISBE SISBE SISBE Narrowleaf > Narrowleaf > Crop Code BBCH Scale Crop Name Rating Date 03-29-06 04-06-06 04-10-06 04-17-06 04-25-06 Rating Data Type INJURY CONTROL CONTROL CONTROL CONTROL Days After First/Last Applic. 21 21 29 29 33 0 40 7 48 15 Trt-Eval Interval 21 DA-A 29 DA-A 33 DA-A 7 DA-B 15 DA-B No. Name Conc Type Rate Unit Stage Code 31 32 33 34 35 1 FLAZASULFURON 25 DG 1.5 oz wt/a DORMANT A 75.0 a 98.8 ab 98.8 a 100.0 a 100.0 a 2 FLAZASULFURON 25 DG 3 oz wt/a DORMANT A 75.0 a 98.8 ab 100.0 a 100.0 a 100.0 a 3 FLAZASULFURON 25 DG 6 oz wt/a DORMANT A 75.0 a 100.0 a 100.0 a 100.0 a 100.0 a 4 CERTAINTY 75 WG 1.25 oz wt/a DORMANT A 75.0 a 95.0 b 92.5 b 100.0 a 100.0 a 5 FLAZASULFURON 25 DG 1.5 oz wt/a 60%GREEN B 13.3 b 70.0 b 6 FLAZASULFURON 25 DG 3 oz wt/a 60%GREEN B 5.0 cd 60.0 b 7 FLAZASULFURON 25 DG 6 oz wt/a 60%GREEN B 7.5 c 60.0 b 8 CERTAINTY 75 WG 1.25 oz wt/a 60%GREEN B 6.7 c 41.7 c 9 FLAZASULFURON 25 DG 1.5 oz wt/a 100% C 10 FLAZASULFURON 25 DG 3 oz wt/a 100% C 11 FLAZASULFURON 25 DG 6 oz wt/a 100% C 12 CERTAINTY 75 WG 1.25 oz wt/a 100% C 13 CHECK 0.0 b 0.0 c 0.0 c 0.0 d 0.0 d LSD (P=.05) 0.00 4.72 2.44 5.21 13.56 Standard Deviation 0.00 3.06 1.58 3.55 9.25 CV 0.0 3.9 2.02 7.39 13.18 Bartlett's X2 0.0 2.955 0.061 0.08 1.007 P(Bartlett's X2). 0.228 0.805 0.994 0.799 Replicate F 0.000 0.889 1.833 0.807 0.527 Replicate Prob(F) 1.0000 0.4747 0.1948 0.5036 0.6684 Treatment F 0.000 823.133 3077.000 772.970 55.556 Treatment Prob(F) 1.0000 0.0001 0.0001 0.0001 0.0001

Pest Type W Weed W Weed W Weed Pest Code SISBE SISBE SISBE Crop Code BBCH Scale Crop Name Rating Date 05-02-06 05-10-06 05-16-06 Rating Data Type CONTROL CONTROL CONTROL Rating Unit PERCENT PERCENT PERCENT L.S. WARREN L.S. WARREN L.S. WARREN Days After First/Last Applic. 55 22 63 30 69 0 Trt-Eval Interval 15 DA-B 30 DA-B 36 DA-B ARM Action Codes P P P No. Name Conc Type Rate Unit Stage Code 36 37 38 1 FLAZASULFURON 25 DG 1.5 oz wt/a DORMANT A 100.0 a 100.0 a 100.0 a 2 FLAZASULFURON 25 DG 3 oz wt/a DORMANT A 100.0 a 100.0 a 100.0 a 3 FLAZASULFURON 25 DG 6 oz wt/a DORMANT A 100.0 a 100.0 a 100.0 a 4 CERTAINTY 75 WG 1.25 oz wt/a DORMANT A 100.0 a 100.0 a 100.0 a 5 FLAZASULFURON 25 DG 1.5 oz wt/a 60%GREEN B 98.0 b 100.0 a 100.0 a 6 FLAZASULFURON 25 DG 3 oz wt/a 60%GREEN B 97.5 b 100.0 a 100.0 a 7 FLAZASULFURON 25 DG 6 oz wt/a 60%GREEN B 99.0 ab 100.0 a 100.0 a 8 CERTAINTY 75 WG 1.25 oz wt/a 60%GREEN B 97.8 b 100.0 a 100.0 a 9 FLAZASULFURON 25 DG 1.5 oz wt/a 100% C 10 FLAZASULFURON 25 DG 3 oz wt/a 100% C 11 FLAZASULFURON 25 DG 6 oz wt/a 100% C 12 CERTAINTY 75 WG 1.25 oz wt/a 100% C 13 CHECK 0.0 c 0.0 b 0.0 b LSD (P=.05) 1.69 0.00 0.00 Standard Deviation 1.16 0.00 0.00 CV 1.32 0.0 0.0 Bartlett's X2 0.146 0.0 0.0 P(Bartlett's X2) 0.929.. Replicate F 0.351 0.000 0.000 Replicate Prob(F) 0.7891 1.0000 1.0000 Treatment F 3238.629 0.000 0.000 Treatment Prob(F) 0.0001 1.0000 1.0000 Trial Comments 03-15-06: AXOAF WAS 90-95% DORMANT WITH NO DETECTABLE INJURY SYMPTOMS AT THIS TIME