Ukutholwa okungalindelekile ocwaningweni olusha olubheka ukulawulwa kwezinambuzane nezifo emasimini ka-anyanisi ohwebo eNew York City kuzovumela abalimi bombuso ukuthi banciphise ukusetshenziswa kwabo kwamakhemikhali okwenziwa ngaphandle kokulimaza izitshalo, ngokusho kwe-portal. i-qu.org.
Ucwaningo olwenziwe ngososayensi e-Cornell Agriturismo Tech futhi lusanda kushicilelwa kujenali Agronomyyabonisa ukuthi ngokuhlangana nemikhawulo yokunquma ukuthi kufanele kusetshenziswe nini izibulala-zinambuzane ukuze kulawuleke ama-thrips ka-anyanisi—izinambuzane ezinkulu zezitshalo—abalimi bafutha izifutho ezimbalwa ngo-2,3 isizini ngayinye, begcina isivuno nobukhulu bama-bulb. I-threshold value wukuminyana kwezinambuzane esitshalweni, okudinga ukuthi kuthathwe izinyathelo zokuvimbela ukwanda kwezinombolo kuye ezingeni elizoholela ekulahlekelweni kwezomnotho.
Imiphumela yeminyaka engaphezu kwemithathu yokuhlolwa kwensimu iphinde yabonisa ukuthi abalimi bangasebenzisa umanyolo ongaphansi kuka-50-100% ngaphandle kokuphazamisa isivuno.
"Izindawo ezingenawo umanyolo zazifana [uma kuqhathaniswa neziza ezifakwe umanyolo ogcwele noma uhhafu]," kusho uMax Torrey '13, ipulazi lakhe lomndeni wesizukulwane se-12 e-Elba, NY, okwakuyisiqephu socwaningo. "Abantu bebenokungabaza, kodwa le datha isinika ukuzethemba okukhulu."
Ukulima u-anyanisi esimweni sezulu esisentshonalanga ye-New York kudinga ukutshalwa okujulile futhi kuncike kakhulu kumanyolo okwenziwa kanye nezibulala-zinambuzane. Kwenziwa futhi kuphela enhlabathini enamaxhaphozi. Abalimi baseNew York batshala cishe wonke amahektha angu-7000 ka-anyanisi emqubeni.
U-anyanisi uyinto ebalulekile yokudla futhi ungowesine ukudla okudliwa kakhulu e-US ngemva kwamazambane, utamatisi kanye nommbila oswiti. Abalimi balesi sitshalo eDolobheni laseNew York banenzuzo eyengeziwe yokuba seduze nezimakethe ezinkulu ngasogwini olusempumalanga. Kodwa izifo nezinambuzane, ikakhulukazi i-onion thrips, zithinta kakhulu inzuzo yabalimi baka-anyanisi.
Ama-onion thrips, izinambuzane ezincane ezinamaphiko ezidla izitshalo zika-anyanisi, sezineminyaka eminingi ziku-radar ka-Brian Nault. UNault, umbhali ophezulu wocwaningo kanye noprofesa wesayensi yezinambuzane eCornell Agriturismo Tech, uthe abalimi sebethembele ezinhlelweni zokufaka izibulala-zinambuzane ezingabizi kakhulu zamasonto onke ukuze balawule ama-thrips. Kwathi ngasekupheleni kwawo-1990, ama-thrips aqala ukukhula ngokushesha ukumelana nezibulala-zinambuzane, njengoba izizukulwane ezinhlanu kuya kweziyisishiyagalombili zezinambuzane zingakhiqizwa ngonyaka. I-Thrips iphinde idlulisele igciwane elingabulala izitshalo futhi lisakaze amagciwane abangela ukubola kwama-bulb.
Ukusiza ukugcina izibulala-zinambuzane zisebenza kahle, i-Nault yabala ama-threshold ngokunembile ukuze abalimi baka-anyanisi eNew York bakwazi ukufafaza kuphela lapho inani lezinambuzane likudinga.
"Isizathu #1 sokuthi abalimi basebenzise ama-thresholds ukuthi banciphise ukukhula kokumelana nezibulala-zinambuzane," kusho uNault. - I-ejenti yamakhemikhali elandelayo entsha, enhle ingase ingaveli kuze kube ngu-2025. Futhi kufanele sithathe isinyathelo manje. ”
Ocwaningweni lwabo olusha, uNault kanye noCarly Regan bafuna ukuqhubeka nokucolisa isu lokuphatha elididiyelwe le-anyanisi thrips. Babazi ukuthi abalimi abaqhubeka nokusebenzisa izinhlelo zokufafaza masonto onke esikhundleni semibundu babesengozini enkulu, okwandisa amathuba okukhula kokumelana. Kodwa iNault iphinde yathola imiphumela yocwaningo ekhombisa ukuthi ukwehlisa inani likamanyolo kunganciphisa izinambuzane ezitshalweni ezithile. Wengeze lesi sici ezivivinyweni zokuhlola.
UNault nabalingani bakhe abakhulayo bamangala lapho bethola ukuthi inani likamanyolo elisetshenziswa ekutshaleni alinawo umthelela emazingeni esibalo samathrips, ukubola, noma usayizi webulb kanye nesivuno.
"Besingakulindele lokhu, kodwa kunomthelela omkhulu nakakhulu," kusho uNault. “Ukunciphisa ukusetshenziswa kukamanyolo ekulimeni kwezentengiselwano kulungele imvelo ngezindlela eziningi.”
U-Nault uqinisekile ukuthi uma bonke abalimi baka-anyanisi baseNew York besebenzisa imingcele, bazobona ukonga kwezindleko zonyaka eziwu-$420 zonyaka wezibulala-zinambuzane.