190 likes | 427 Views
WEED CONTROL IN CENTIPEDEGRASS. Dr. Tim R. Murphy Extension Weed Specialist University of Georgia Griffin. SETHOXYDIM - VANTAGE - CENTIPEDEGRASS. CONTROLS ANNUAL GRASSES SUPPRESSES BAHIAGRASS NO ANNUAL BLUEGRASS CONTROL NO SEDGE (NUTGRASS) CONTROL. VANTAGE - CENTIPEDEGRASS.
E N D
WEED CONTROL IN CENTIPEDEGRASS Dr. Tim R. Murphy Extension Weed Specialist University of Georgia Griffin
SETHOXYDIM - VANTAGE - CENTIPEDEGRASS • CONTROLS ANNUAL GRASSES • SUPPRESSES BAHIAGRASS • NO ANNUAL BLUEGRASS CONTROL • NO SEDGE (NUTGRASS) CONTROL
VANTAGE - CENTIPEDEGRASS • NO COC NEEDED • ESTABLISHED • SEEDLING - 3 IN. STOLON GROWTH • DELAY MOWING 7 DAYS BEFORE AND AFTER APPLICATION
VANTAGEBAHIAGRASS SUPPRESSION • 2.25 pts./acre • DELAY MOWING - 7 DAYS BEFORE AND AFTER • REPEAT APPLICATION - 10 TO 14 DAYS • ACTIVELY-GROWING
TURFGRASS TOLERANCE TO HERBICIDES HERBICIDE CENTIPEDEGRASSBERMUDAGRASS ATRAZINE TD BENTAZON TT BENTAZON + ATRAZINE T S-I MSMA/DSMA ST SETHOXYDIM TS
TURFGRASS TOLERANCE TO HERBICIDES HERBICIDE CENTIPEDEGRASSBERMUDAGRASS IMAZAQUIN TT HALOSULFURON TT TRICLOPYR + CLOPYRALID T I METRIBUZIN NRT SETHOXYDIM TS
TOLERANCE TO CENTIPEDEGRASS TO ATRAZINE ATRAZINE - 2.0 qts./acre QUALITY1 JAN + APR 6.8 APR + MAY 6.7 JAN + APR + MAY 6.7 APR + MAY + JULY 6.7 APR + JULY 6.6 MAY + JULY 7.0 MAY + JULY + AUG 7.0 JULY + AUG 6.9 NO HERBICIDE 6.4 1SEPTEMBER
TURFGRASS TOLERANCE TO HERBICIDES HERBICIDE CENTIPEDEGRASSBERMUDAGRASS 2,4-D I-TT MCPP TT DICAMBA I-T T 2,4-D+MCPP +DICAMBA S-II-T MCPP+2,4-D +DICAMBA I-TT
Common Lespedeza Control with Atrazine % Control Atrazine 2.0 qts./acre
TOLERANCE OF NEWLY-SPRIGGED CENTIPEDEGRASS TO ATRAZINE AND SIMAZINE
TOLERANCE OF DORMANT CENTIPEDEGRASS TO POSTEMERGENCE HERBICIDES -1987
TOLERANCE OF CENTIPEDEGRASS AT 50% GREENUP TO POSTEMERGENCE HERBICIDES -1987
TOLERANCE OF CENTIPEDEGRASS AT 100% GREENUP TO POSTEMERGENCE HERBICIDES -1987
TOLERANCE OF CENTIPEDEGRASS TO 2,4-D AND 2,4-D + 2,4-DP % Injury 2,4-D at 1.5 pts./acre 2,4-D at 0.75, 2,4-DP at 0.75 lb/A 1979 - June + July 1980 - July + Aug.
TOLERANCE OF CENTIPEDEGRASS TO 2,4-D AND TRIMEC CLASSIC % Injury 2,4-D at 1.5 pts./acre Trimec Classic at 3.25 pts./acre 1979 - June + July 1980 - July + Aug.