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Paper Information

Title: 

STUDY OF SUSCEPTIBILITY EVALUATION OF TURFGRASS COMMERCIAL MIXTURE TO POSTEMERGENCE HERBICIDES

Type: PAPER
Author(s): ZABIHOLLAHI VAHID,MEIGHANI FARIBA,BAGHESTANI MOHAMMAD ALI,MIRHADI MOHAMMAD JAVAD
 
 
 
Name of Seminar: IRANIAN WEED SCIENCE CONGRESS
Type of Seminar:  CONGRESS
Sponsor:  ANKOMANE OLOME ALAFHAYE HARZE IRAN
Date:  2010Volume 3
 
 
Abstract: 

IN ORDER TO EVALUATE THE EFFECT OF POSTEMERGENCE HERBICIDES USAGE ON BIOMASS OF 3 COMMERCIAL TURF GRASS MIXTURE THAT IT NAMED SPORT (1): 20% LOLIUM PERENNE, 20% POA PRATENSIS, 20% FESTUCA RUBRA AND 20% FESTUCA ARUNDINACEA, SPORT (2): 20% LOLIUM PERENNE AND 80% FESTUCA ARUNDINACEA AND SPORT (3): 55% LOLIUM PERENNE, 35% POA PRATENSIS AND 10% FESTUCA RUBRA COM, AN EXPERIMENT WAS CONDUCTED DURING 2006 IN TEHRAN, USING RANDOMIZED COMPLETE BLOCK DESIGN WITH ELEVEN TREATMENTS AND FOUR REPLICATIONS (ONE REPLICATION=3 POTS). TREATMENTS WERE DICLOFOP METHYL AT 2.5 AND 3 L/HA, FENOXAPROP-P-ETHYL AT 0.8 AND 1 L/HA, CLODINAFOP PROPARGYL AT 0.6 AND 0.8 L/HA, TRALKOXYDIM AT 1 AND 1.2 L/HA, SULFOSULFURON AT 27 AND 35 G/HA AND UNTREATED CONTROL. ALL TREATMENTS WERE REPEATED THREE TIMES DURING THE GROWTH PERIOD OF TURF GRASS. THE RESULTS SHOWED THAT, DICLOFOP METHYL AND CLODINAFOP PROPARGYL TREATMENTS DAMAGED ON SPORT TURF (1) AND DICLOFOP METHYL ON SPORT TURF (2) AND CLODINAFOP PROPARGYL ON SPORT TURF (3) MORE THAN 20 PERCENT. FENOXAPROP-P-ETHYL, TRALKOXYDIM AND SULFOSULFURON TREATMENTS DID NOT DECREASE BIOMASS OF SPORT TURF (1) AND (3) AND FENOXAPROP-P-ETHYL, CLODINAFOP PROPARGYL AND SULFOSULFURON TREATMENTS DID NOT DECRESE BIOMASS OF SPORT TURF (2), WITHOUT SIGNIFICANT DIFFERENCES WITH UNTREATED CONTROL. ALL OF THE TREATMENTS CAN APPLY ONLY ONE MORE TIME ON SPORT TURF (2) WITHOUT ANY DAMAGING. TRALKOXYDIM TREATMENTS DID NOT DECREASE TURF'S BIOMASS FOR 2 APPLICATIONS AND AFTER THIRD SPRAYING; DECREASED TURF'S BIOMASS MORE THAN 20 PERCENT. DICLOFOP METHYL DECREASED TURF'S BIOMASS MORE THAN 20 PERCENT AT OTHER EVALUATION STAGES, BUT EXCEPTION OF EVALUATION AFTER FIRST SPRAYING. OVERALL, IT COULD BE CONCLUDED THAT FENOXAPROP-P-ETHYL, TRALKOXYDIM AND SULFOSULFURON RECOMMENDED FOR APPLICATION ON SPORT TURF (1) AND (3) AND FENOXAPROP-P-ETHYL, CLODINAFOP PROPARGYL, SULFOSULFURON AND TRALKOXYDIM (ONLY 2 APPLICATIONS) AND DICLOFOP METHYL (ONLY ONE APPLICATION) RECOMMENDED FOR APPLICATION ON SPORT TURF (2) AND DICLOFOP METHYL (ONLY ONE APPLICATION) RECOMMENDED FOR APPLICATION ON SPORT TURF (3).

 
Keyword(s): POSTEMERGENCE HERBICIDE, SPORT TURFGRASS
 
 
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