THE CULTIVATION OF WHEAT IN SUGARCANE ALTERATION LEADS TO OUT BREAK OF SOME WEEDS SUCH AS VOLUNTEER WHEAT. TO SURVEY THE EFFICACY OF CONVENTIONAL HERBICIDES FOR VOLUNTEER WHEAT CONTROL AN EXPERIMENT CARRIED OUT IN A FIELD OF KARUON ARO- INC. CO. DURING 2007-2008. THE EXPERIMENT WAS ARRANGED AS RANDOMIZED COMPLETE BLOCK DESIGN WITH THREE REPLICATIONS. THE TREATMENTS WERE CONTROL (WITHOUT HERBICIDE), AMETRYNE (2 KG/HA) +TEBUTHIURON (2 LIT/HA), AMETRYNE (2.5 KG/HA), TRIFLOXYSULFORON-SODIUM 1.85%+AMETRYNE 73.15% (KRISMAT 2 KG/HA), AMICARBAZONE (2 KG/HA), PARAQUAT (2 LIT/HA) + WEEDING, WEEDING AND. THE EXPERIMENTAL VARIETY OF SUGAR CANE WAS CP48-103. IN EVERY SURVEY THE DENSITY OF WHEAT PLANT, THE GROWTH OF SUGARCANE AND THE NUMBER SUGARCANE TILLERING WERE MEASURED. THE RESULT SHOWED THAT KERISMAT HAD A GOOD EFFICACY FOR VOLUNTEER WHEAT CONTROL, BUT THERE WERE NOT SIGNIFICANT DIFFERENT BETWEEN THE TREATMENT OF CONTROL (WITHOUT HERBICIDE) WITH OTHER TREATMENTS. ALSO THESE RESULTS SHOWED THAT THE VOLUNTEER WHEAT DIDN’T HAVE SIGNIFICANT EFFICIENCY ON SUGARCANE TILLERING AND ITS GROWTH.