A kasuwar maganin ciyawa na gonakin shinkafa a kasar Sin, quinclorac, bispyribac-sodium, cyhalofop-butyl, penoxsulam, metamifop, da sauransu duk sun jagoranci hanya.Koyaya, saboda dogon lokaci da yawan amfani da waɗannan samfuran, matsalar juriya ta ƙwayoyi ta ƙara yin fice, da asarar ƙimar sarrafawa da zarar samfuran tutocin ya karu.Kasuwar tana kira ga sababbin hanyoyin.
A wannan shekara, a ƙarƙashin rinjayar mummunan abubuwa kamar zafi mai zafi da fari, ƙarancin rufewa, juriya mai tsanani, hadaddun ilimin halittar ciyayi, da kuma tsohuwar ciyawa, triadimefon ya fice, ya jure mummunan gwajin kasuwa, kuma ya sami karuwa mai yawa a kasuwa. raba.
A cikin kasuwar maganin kashe kwari ta duniya a shekarar 2020, magungunan kashe qwari na shinkafa za su kai kusan kashi 10%, wanda hakan zai sa ta zama kasuwa ta biyar mafi girma na maganin kashe qwari bayan 'ya'yan itatuwa da kayan marmari, waken soya, hatsi da masara.Daga cikin su, adadin sayar da maganin ciyawa a gonakin shinkafa ya kai dalar Amurka biliyan 2.479, wanda shi ne na farko a cikin manyan nau’o’in magungunan kashe kwari guda uku a cikin shinkafa.
Bisa hasashen da Phillips McDougall ya yi, a shekarar 2024, sayar da magungunan kashe gwari na shinkafa a duniya zai kai dalar Amurka biliyan 6.799, inda za a samu karuwar kashi 2.2% a duk shekara daga shekarar 2019 zuwa 2024. Daga cikinsu, sayar da maganin ciyawa a gonakin shinkafa zai kai 2.604. dalar Amurka biliyan, tare da adadin haɓakar haɓakar shekara-shekara na 1.9% daga 2019 zuwa 2024.
Sakamakon dadewa, da yawa da kuma amfani da magungunan ciyawa guda ɗaya, matsalar jurewar ciyawa ta zama babban ƙalubale da duniya ke fuskanta.Yanzu ciyawa sun haɓaka juriya mai ƙarfi ga nau'ikan samfura guda huɗu (Masu hana EPSPS, masu hana ALS, masu hana ACCase, masu hana PS Ⅱ), musamman masu hana ciyawa na ALS (Group B).Duk da haka, juriya na maganin herbicides na HPPD (F2 group) ya ci gaba da sannu a hankali, kuma hadarin juriya ya kasance ƙasa, don haka yana da daraja a mayar da hankali ga ci gaba da haɓakawa.
A cikin shekaru 30 da suka gabata, adadin ciyawar da ke jurewa a cikin gonakin shinkafa a duniya ya karu sosai.A halin yanzu, kusan nau'ikan ciyawa na gonakin shinkafa 80 sun sami juriyar magunguna.
"Tsarin maganin miyagun ƙwayoyi" takobi ne mai kaifi biyu, wanda ba wai kawai ya ɓata ikon sarrafa kwari na duniya ba, har ma yana inganta haɓaka kayan kashe kwari.Ma'aikatan rigakafi da sarrafawa masu inganci waɗanda aka haɓaka don fitacciyar matsalar juriyar ƙwayoyi za su sami babbar riba ta kasuwanci.
A duk duniya, sabbin magungunan ciyawa da aka haɓaka a cikin filayen shinkafa sun haɗa da tetflupyrrolimet, dichloroisoxadiazon, cyclopyrinil, lancotrione sodium (HPPD inhibitor), Halauxifen, Triadimefon (HPPD inhibitor), metcamifen (wakilin aminci), dimesulfazet, fenquinolone (HPPD), da sauransu. Ya haɗa da magunguna masu hanawa na HPPD da yawa, wanda ke nuna cewa bincike da haɓaka irin waɗannan samfuran suna aiki sosai.An rarraba Tetflupyrolimet azaman sabon tsarin aiki ta HRAC (Group28).
Triadimefon shine fili mai hanawa na HPPD na huɗu wanda Qingyuan Nongguan ya ƙaddamar, wanda ya keta ƙayyadaddun cewa irin wannan maganin ciyawa ba za a iya amfani da shi ba kawai don maganin ƙasa a cikin gonakin shinkafa.Shi ne farkon mai hana ciyawa na HPPD da aka yi amfani da shi cikin aminci don tushe bayan seedling da magani na ganye a cikin filayen shinkafa don sarrafa ciyawa mai girma a duniya.
Triadimefon yana da babban aiki a kan ciyawa barnyard da shinkafa barnyard ciyawa;Musamman, yana da kyakkyawan tasiri akan ciyawa mai juriya da yawa da gero mai juriya;Yana da lafiya ga shinkafa kuma ya dace da dasawa da filayen shinkafa kai tsaye.
Babu juriya tsakanin triadimefon da magungunan ciyawa da aka saba amfani da su a filayen shinkafa, kamar cyhalofop-butyl, penoxsulam da quinclorac;Yana iya sarrafa ciyawa na barnyardgrass yadda ya kamata wanda ke da juriya ga masu hana ALS da masu hana ACCase a cikin filayen shinkafa, da tsaba na euphorbia waɗanda ke da juriya ga masu hana ACCase.
Lokacin aikawa: Nuwamba-11-2022