Isoxaflutole HPPD inhibitor herbicide don sarrafa ciyawa

Bayanin samfur

Isoxaflutole maganin herbicide ne na tsari - ana canza shi a cikin tsire-tsire bayan sha ta hanyar tushen da foliage kuma yana canzawa cikin sauri a cikin planta zuwa diketonitrile mai aiki na halitta, wanda sannan aka lalata shi zuwa metabolite mara aiki, 2-methylsulphonyl-4-trifluoromethylbenzoic acid.Ayyukan samfurin shine ta hanyar hana enzyme p-hydroxy phenyl pyruvate dioxygenase (HPPD), wanda ke canza p-hydroxy phenyl pyruvate zuwa homogentisate, babban mataki a cikin biosynthesis na plastoquinone.Isoxaflutole yana sarrafa nau'ikan ciyawa da ciyayi masu faɗi ta hanyar ɓarkewar ciyawa ko ciyawa da suka fito bayan shan maganin ciyawa ta hanyar tushen tsarin.Bayan ko dai foliar ko tushen tushen, isoxaflutole yana canzawa da sauri zuwa wani abu na diketonitrile (2-cyclopropyl-3- (2-mesyl-4-trifluoromethylphenyl) -3-oxopropanenitrile) ta hanyar buɗe zoben isoxazole.

Ana iya amfani da Isoxaflutole kafin fitowar, pre-plant ko pre-plant wanda aka haɗa a cikin masara da riga-kafi ko farkon fitowar a cikin sukari.Ana buƙatar ƙimar mafi girma don aikace-aikacen da aka riga aka shuka.A cikin gwaje-gwajen filin, isoxaflutole ya ba da matakan sarrafawa iri ɗaya zuwa daidaitattun jiyya na herbicide amma a ƙimar aikace-aikacen kusan sau 50 ƙasa.Yana sarrafa weeds masu jurewa triazine duka lokacin amfani da shi kadai kuma a cikin gaurayawan.Kamfanin ya ba da shawarar cewa a yi amfani da shi a cikin gaurayawan, kuma a cikin juyawa ko jere tare da sauran magungunan ciyawa don jinkirta farkon juriya.

Isoxaflutole, wanda ke da rabin rayuwar sa'o'i 12 zuwa kwanaki 3, ya danganta da nau'in ƙasa da sauran dalilai, kuma yana jujjuya zuwa diketonitrile a cikin ƙasa.Ana ajiye Isoxaflutole a saman ƙasa, yana ba da damar ɗaukar shi ta hanyar ciyawar ciyawa, yayin da diketonitrile, wanda ke da rabin rayuwa na kwanaki 20 zuwa 30, ya shiga cikin ƙasa kuma tushen shuka ya ɗauke shi.A cikin duka tsire-tsire da cikin ƙasa, diketonitrile an canza shi zuwa benzoic acid wanda ba ya aiki.

Dole ne a yi amfani da wannan samfurin a cikin ƙasa mai yashi ko ƙasa mai laushi ko ƙasa mai ƙasa da 2% kwayoyin halitta.Domin magance yuwuwar guba ga kifaye, tsire-tsire na ruwa da kuma invertebrates, ana buƙatar yanki mai tsayin mita 22 don kare wurare masu mahimmanci, kamar wuraren dausayi, tafkuna, tafkuna da koguna.