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i <br /> SUSCEPTIBILITY OF WEEDS TO <br /> HERBICIDE CONTROL <br /> ANNUAL WEEDS MOL'M*TELL* DEN M C-Ok FEN <br /> algae N N N N N C N <br /> arrowhead, California N P N Ct N N N <br /> barnyardgrass C C C P N N C <br /> bulrush, ricefield N C N C' C N - <br /> burhead N P - C P N <br /> cattail seedling N P N C N N N <br /> chara N N - N N N - <br /> ducksalad N P P C N N - <br /> naiads N N - C N N - <br /> redstems N P N C1 C N - <br /> sedge, smallflower umbrella N C C C' P N N <br /> spikerushes i <br /> sprangletop, bearded N N C N N N C <br /> watergrasses C C C P N N C <br /> i <br /> waterhyssop N C P C C N N <br /> waterplantain, common N P - C P N N <br /> PERENNIAL WEEDS <br /> arrowhead,Gregg N P N N P N N <br /> bulrush, river <br /> rattail, established plant N P N N C N N 1 <br /> : pondweed,American N N N N N N N <br /> N N N N N N N <br /> RATINGS LEGEND <br /> C =control P =partial control N =no control =no information <br /> i <br /> CHEMICAL LEGEND <br /> BEN =bensulfuron (Londax) PRO=propanil* (various trade names) <br /> COP= copper sulfate THI =thiobencarb* (Abolish,Bolero) <br /> FEN=fenoxaprop-ethyl (Whip)TRI=triclopyr(Grandstand) <br /> MOL =molinate* (Ordram) <br /> COMMENTS <br /> Resistance to bensulfuron known to occur. <br /> �` Permit required from county agricultural commissioner for purchase or use. <br />