Yanzu da muke magana game da dinotefuran na ƙarni na uku na maganin kwari na nicotinic, bari mu fara tantance rarrabuwar magungunan kwari na nicotinic.
Tsarin farko na samfuran nicotine: imidacloprid, nitenpyram, acetamiprid, da thiacloprid. Babban matsakaici shine 2-chloro-5-chloromethylpyridine, wanda ke cikin rukunin chloropyridyl.
Kayayyakin nicotine na ƙarni na biyu: thiamethoxam), clothianidin. Babban matsakaici shine 2-chloro-5-chloromethylthiazole, wanda ke cikin rukunin chlorothiazolyl.
Tsarin ƙarni na uku na samfuran nicotine: dinotefuran, ƙungiyar tetrahydrofuran tana maye gurbin ƙungiyar chloro, kuma ba ta ƙunshi abubuwan halogen ba.
Tsarin aikin kashe kwari na nicotine shine yin aiki akan tsarin watsa jijiyar kwari, yana sa su zama masu farin ciki, suna gurgunta su kuma suna mutuwa, kuma yana da tasirin kashe hulɗa da gubar ciki. Idan aka kwatanta da nicotine na gargajiya, dinotefuran ba ya ƙunshe da abubuwan halogen, kuma narkewar ruwansa ya fi ƙarfi, wanda ke nufin cewa dinotefuran yana da sauƙin sha; kuma gubar da yake sha ga ƙudan zuma tana da kashi 1/4.6 kawai na thiamethoxam, gubar hulɗa tana da rabin thiamethoxam.
Tun daga ranar 30 ga Agusta, 2022, ƙasata tana da takaddun shaida na rajista 25 don samfuran fasaha na dinotefuran; takaddun shaida na rajista 164 don allurai ɗaya da takaddun shaida na rajista 111 don gaurayawa, gami da magungunan kashe kwari 51.
Siffofin allurar da aka yi rijista sun haɗa da granules masu narkewa, magungunan dakatarwa, granules masu narkewar ruwa, magungunan rufe iri da aka dakatar, granules, da sauransu, kuma adadin allurar guda ɗaya shine 0.025%-70%.
Kayayyakin da aka haɗa sun haɗa da pymetrozine, spirotetramat, pyridaben, bifenthrin, da sauransu.
01 Dinotefuran + Pymetrazin
Pymetrozine yana da kyakkyawan tasirin watsawa ta hanyar tsarin, kuma tasirin dinotefuran cikin sauri shine fa'idar wannan samfurin. Dukansu suna da hanyoyi daban-daban na aiki. Idan aka yi amfani da su tare, kwari suna mutuwa da sauri kuma tasirin yana ɗaukar lokaci mai tsawo.02Dinotefuran + Spirotetramat
Wannan dabara ita ce dabarar yaƙi da aphids, thrips, da whiteflies. A cikin 'yan shekarun nan, daga haɓakawa da amfani da wurare daban-daban da kuma ra'ayoyin masu amfani, tasirin har yanzu yana da gamsarwa sosai.
03Dinofuran + Pyriproxyfen
Pyriproxyfen magani ne mai inganci sosai, yayin da dinotefuran yana aiki ne kawai ga manya. Haɗuwar waɗannan biyun na iya kashe dukkan ƙwai. Wannan dabarar abokin tarayya ce ta zinariya.
04Kwayoyin Cuta na Dinotefuran + Pyrethroid
Wannan dabarar za ta iya inganta tasirin kashe kwari sosai. Magungunan kashe kwari na pyrethroid kansu magungunan kashe kwari ne masu faɗi-faɗi. Haɗin su biyun na iya rage yawan juriya ga magunguna, kuma yana iya magance ƙwaro. Wannan dabara ce da masana'antun ke tallata ta sosai a cikin 'yan shekarun nan.
warware matsalar
Manyan sinadaran dinotefuran sune tetrahydrofuran-3-methylamine da O-methyl-N-nitroisourea.
Ana samar da tetrahydrofuran-3-methylamine galibi a Zhejiang, Hubei da Jiangsu, kuma ƙarfin samarwa ya isa ya dace da amfani da dinotefuran.
Ana samar da O-methyl-N-nitroisourea galibi a Hebei, Hubei da Jiangsu. Ita ce mafi mahimmancin tsaka-tsaki na dinotefuran saboda haɗarin da ke tattare da nitrification.
01Dinotefuran yana da faffadan nau'ikan maganin kwari da amfani da su, tun daga magungunan kashe kwari zuwa magungunan tsafta, daga ƙananan kwari zuwa manyan kwari, kuma yana da kyakkyawan tasirin sarrafawa.
02Yana da kyau a haɗa dinotefuran, ana iya haɗa shi da nau'ikan maganin kwari da fungicides iri-iri, wanda ya dace a yi amfani da shi; sinadaran suna da yawa, kuma ana iya yin su takin granule, maganin shafa iri don miya iri, da kuma maganin feshi.
03Ana amfani da shinkafa don sarrafa masu girki da masu shuka da ƙwayoyi ɗaya da kuma kashe biyu. Tana da araha kuma za ta zama babbar dama ga kasuwa ga ci gaban dinotefuran a nan gaba.
04Shahararriyar rigakafin tashi, dinotefuran tana narkewa cikin sauƙi a cikin ruwa, wanda hakan ya sa ta fi dacewa da amfani da rigakafin tashi mai yawa. Yaɗuwar rigakafin tashi zai samar da wata dama ta kasuwa mai wuya ga ci gaban dinotefuran a nan gaba.
05D-enantiomer na dinotefuran galibi yana samar da aikin kashe kwari, yayin da L-enantiomer yana da guba sosai ga ƙudan zuma na Italiya. Ana kyautata zaton cewa tare da nasarar fasahar tsarkakewa, dinotefuran, wanda ya fi dacewa da muhalli, zai shawo kan matsalar ci gabansa.
06Mai da hankali kan amfanin gona na musamman, yayin da tsutsotsin leek da tsutsotsin tafarnuwa ke ƙara jure wa sinadarai na yau da kullun, dinotefuran ya yi aiki mai kyau wajen shawo kan kwari masu kwari, kuma amfani da dinotefuran a cikin amfanin gona na musamman zai kuma samar da sabbin kasuwanni da alkibla don haɓaka dinotefuran.
07Ingantaccen farashi mai inganci. Babban cikas da ke shafar ci gaban dinotefuran koyaushe shine tsadar maganin asali da kuma tsadar farashin amfani da shi na shirye-shiryen ƙarshen zamani. Duk da haka, farashin dinotefuran a halin yanzu yana cikin ƙasa a tarihi. Tare da raguwar farashi, rabon farashi da aiki na dinotefuran ya ƙara bayyana. Mun yi imanin cewa ci gaban rabon aiki da aiki yana ba da ƙarin dama ga ci gaban dinotefuran a nan gaba.
Lokacin Saƙo: Satumba-21-2022