/Users/andrea/_magisterarbeit/korpus/clean/trainkorpus/24/file_81d.html NN ----------------------------------------- : Subject NN . SENT Some DT insects NNS might MD develop VV resistance NN to TO bug NN proof NN plants NNS faster JJR Date NN . SENT Fri NP , , 6 CD Aug NN 1999 CD 02 CD . SENT 10 CD . SENT 31 CD 0400 CD The DT Wall NP Street NP Journal NP Interactive NP Edition NN August NP 5 CD , , 1999 CD World NP Wide NP Some DT Insects NNS Might MD Develop VV Resistance NN To TO Bug NN Proof NN Plants NP Faster RBR Than IN Thought NN By IN SCOTT NP KILMAN NP Staff NP Reporter NN of IN THE DT WALL NN STREET NN JOURNAL NN University NP of IN Arizona NP scientists NNS said VVD some DT insects NNS might MD be VB able JJ to TO develop VV resistance NN to TO the DT biotechnology NN industry's NNS new JJ bug NN proof NN cotton NN plants NNS more RBR quickly RB than IN expected VVN . SENT The DT peer NN reviewed VVD laboratory NN study NN , , which WDT is VBZ being VBG published VVN in IN Thursday's NP issue NN of IN the DT science NN magazine NN Nature NN , , signals VVZ that IN some DT genetically RB modified VVN plants NNS might MD become VV obsolete JJ sooner RBR than IN their PP$ inventors NNS had VHD planned VVN . SENT Biotechnology NN executives NNS were VBD quick JJ to TO challenge VV the DT study NN , , saying VVG among IN other JJ things NNS that IN it PP didn't VVD resemble VV actual JJ field NN conditions NNS . SENT But CC if IN follow VV up RP field NN studies NNS find VVP similar JJ results NNS , , the DT Environmental NP Protection NP Agency NP would MD likely RB have VH to TO change VV the DT rules NNS that IN farmers NNS must MD follow VV in IN order NN to TO plant VV the DT novel NN crops NNS . SENT The DT EPA NP rules NNS are VBP designed VVN to TO prevent VV so RB called VVN super JJ bugs NNS from IN evolving VVG . SENT There EX are VBP some DT real JJ concerns NNS that IN resistance NN can MD evolve VV , , said VVD Bruce NP E NP . SENT Tabashnik NP , , head NN of IN the DT Tucson NP based VVN University NP of IN Arizona's NP entomology NN department NN and CC an DT author NN of IN the DT study NN . SENT Some DT strategies NNS might MD need VV to TO be VB changed VVN . SENT U NP . SENT S NP . SENT farmers NNS are VBP tending VVG about IN 3 CD . SENT 5 CD million CD acres NNS of IN bug NN resistant JJ cotton NN this DT year NN , , which WDT is VBZ equal JJ to TO about RB one CD fourth JJ of IN the DT total JJ U NP . SENT S NP . SENT cotton NN acreage NN . SENT The DT farmers NNS use VVP seed NN containing VVG a DT gene NN transplanted VVN from IN a DT common JJ soil NN micro NP organism NN called VVD Bacillus NN thuringiensis NN . SENT The DT Bt NN gene NN tells VVZ the DT plant NN how WRB to TO make VV a DT toxin NN that WDT specifically RB kills VVZ caterpillars NNS , , such JJ as IN the DT pink JJ bollworm NN , , a DT big JJ pest NN in IN Southwestern JJ cotton NN fields NNS and CC the DT subject NN of IN the DT University NP of IN Arizona NP study NN . SENT The DT introduction NN of IN Bt NN plants NNS three CD years NNS ago RB has VHZ allowed VVN cotton NN farmers NNS to TO cut VV by IN millions NNS of IN pounds NNS their PP$ annual JJ use NN of IN synthetic JJ pesticides NNS , , which WDT end VVP up RP killing VVG bugs NNS indiscriminately RB , , including VVG those DT that WDT are VBP beneficial JJ to TO the DT crop NN . SENT The DT University NP of IN Arizona NP study NN strengthens VVZ the DT hand NN of IN environmental JJ groups NNS that WDT oppose VVP the DT development NN of IN bug NN proof NN plants NNS . SENT They PP worry VVP that IN exposing VVG bugs NNS to TO the DT Bt NN toxin NN every DT day NN increases VVZ the DT chances NNS that IN enough JJ resistant JJ strains NNS would MD evolve VV to TO make VV the DT natural JJ pesticide NN ineffective JJ . SENT Bt NN based VVN sprays NNS have VHP been VBN popular JJ with IN vegetable NN growers NNS for IN decades NNS , , because IN the DT toxin NN doesn't NN harm VVP beneficial JJ insects NNS such JJ as IN ladybugs NNS and CC honeybees NNS . SENT The DT EPA NP requires VVZ that IN farmers NNS who WP plant NN Bt NN cotton NN and CC Bt NN corn NN set VVD aside RP some DT of IN their PP$ fields NNS as IN insect NN havens NNS . SENT The DT refuge NN is VBZ intended VVN to TO guarantee VV that IN there EX are VBP plenty RB of IN conventional JJ insects NNS around RB to TO mate NN with IN any DT that WDT might MD develop VV Bt NN resistance NN . SENT According VVG to TO regulators NNS , , random JJ mating NN reduces VVZ the DT odds NNS that IN the DT next JJ generation NN of IN bugs NNS might MD inherit VV the DT Bt NN resistant JJ trait NN . SENT Bt NN resistant NN bugs NNS have VHP yet RB to TO be VB found VVN in IN actual JJ U NP . SENT S NP . SENT corn NN and CC cotton NN fields NNS . SENT Indeed RB , , in IN a DT bit NN of IN good JJ news NN for IN the DT biotechnology NN industry NN , , the DT University NP of IN Arizona NP study NN concluded VVD that IN their PP$ laboratory NN raised VVD pink JJ bollworms NNS got VVD their PP$ Bt NN resistant JJ abilities NNS from IN a DT recessive JJ trait NN . SENT That DT means VVZ any DT progeny NN from IN a DT mating NN with IN a DT conventional JJ pink JJ bollworm NN won't NN express VVP the DT trait NN . SENT The DT potential JJ problem NN exposed VVN by IN the DT University NP of IN Arizona NP study NN is VBZ that IN the DT mating NN cycle NN of IN its PP$ Bt NN resistant JJ bugs NNS was VBD out RP of IN synch NN with IN that DT of IN regular JJ pink JJ bollworms NNS . SENT That DT suggests VVZ any DT Bt NN resistant JJ bugs NNS that WDT develop VVP in IN the DT wild JJ might MD only RB be VB able JJ to TO mate NN with IN each DT other JJ , , which WDT could MD trigger VV a DT population NN explosion NN of IN their PP$ kind NN . SENT Stephen NP Johnson NP , , the DT EPA NP deputy NN administrator NN in IN charge NN of IN pesticides NNS , , said VVD the DT agency NN will MD study VV the DT University NP of IN Arizona NP report NN to TO see VV whether IN it PP needs VVZ to TO take VV additional JJ steps NNS to TO regulate VV Bt NN crops NNS . SENT The DT EPA NP has VHZ approved VVN nine CD Bt NN crops NNS for IN planting VVG in IN the DT U NP . SENT S PP . SENT , , including VVG a DT bug NN proof NN potato NN . SENT This DT is VBZ a DT rapidly RB evolving VVG science NN , , said VVD Mr NP . SENT Johnson NP . SENT We PP will MD be VB constantly RB diligent JJ . SENT Some DT cotton NN insect NN scientists NNS said VVD Wednesday NP that IN the DT refuge NN strategy NN is VBZ adequate JJ to TO prevent VV Bt NN resistant JJ pink JJ bollworms NNS from IN developing VVG . SENT So RB many JJ of IN those DT short JJ lived VVN bugs NNS are VBP hatching VVG at IN any DT time NN that IN there EX are VBP always RB plenty RB of IN conventional JJ bugs NNS around RB for IN breeding VVG purposes NNS , , they PP said VVD . SENT Still RB , , many JJ scientists NNS say VVP it PP is VBZ only RB a DT matter NN of IN time NN before IN bugs NNS in IN the DT wild JJ develop VV some DT sort NN of IN resistance NN to TO the DT current JJ stable NN of IN bug NN proof NN crops NNS . SENT the DT debate NN is VBZ over IN the DT length NN of IN time NN it PP will MD take VV . SENT That DT is VBZ one CD reason NN crop NN biotechnology NN companies NNS such JJ as IN Monsanto NP Co NP . SENT are VBP developing VVG new JJ insecticidal JJ genes NNS they PP can MD put VV into IN crops NNS in IN order NN to TO stay VV ahead RB of IN bug NN evolution NN . SENT The DT second JJ generation NN of IN Monsanto's NP bug NN proof NN plants NNS might MD hit VV the DT market NN as IN early JJ as IN 2001 CD . SENT