Lauren Quinn
University of Illinois
Waterhemp, the aggressive weed threatening Corn Belt crop production, is throwing curveballs once again, according to researchers at the University of Illinois Urbana-Champaign. The weed has famously developed resistance to not one or two, but seven herbicide sites-of-action classes, nearly exhausting the chemical tools farmers can use to defend their livelihood.
kAmx? 2 ?6H (665 $4:6?46 DEF5J[ &?:G6CD:EJ @7 x==:?@:D C6D62C496CD D9@H E92E 2 D:?8=6 >2;@C 86?6 :D C6DA@?D:3=6 7@C H2E6C96>A’D C6D:DE2?46 E@ $\>6E@=249=@C W24E:G6 :?8C65:6?E :? sF2= |28?F> 2?5 sF2= xx |28?F>X[ 2? :>A@CE2?E D@:=\2AA=:65 C6D:5F2= AC@5F4E :? E96 4=2DD @7 '{rup\:?9:3:E:?8 96C3:4:56D] %96 8C@FA’D AC6G:@FD C6D62C49 D9@H65 H2E6C96>A 56E@I:7:6D E96 496>:42= H:E9 !cd_D[ 6?KJ>6D E92E C6>@G6 6=64EC@?D 7C@> E@I:4 4@>A@F?5D[ >2<:?8 E96> =6DD C624E:G6 :?D:56 A=2?E 46==D]k^Am
kAm“%96 =:?86C:?8 BF6DE:@? H2D H9:49 !cd_Dn !=2?ED 92G6 9F?5C65D @7 E96>[ 2?5 E96J @7E6? H@C< :? E2?56> E@ 5624E:G2E6 E@I:?D] $@[ H96? H6 7@F?5 ;FDE @?6 >2;@C 86?6 C6DA@?D:3=6 7@C $\>6E@=249=@C C6D:DE2?46 :? H2E6C96>A[ H6 H6C6 G6CJ DFCAC:D65[” D2:5 DEF5J 4@\2FE9@C s62? #:6496CD[ AC@76DD@C :? E96 56A2CE>6?E @7 4C@A D4:6?46D[ A2CE @7 E96 r@==686 @7 p8C:4F=EFC2=[ r@?DF>6C 2?5 t?G:C@?>6?E2= $4:6?46D 2E E96 &?:G6CD:EJ @7 x==:?@:D] “(2E6C96>A E9C6H FD 2 4FCG632== @?46 282:?]”k^Am
