Ukuze sinciphise umonakalo odalwe yizilokazane ezinambuzane ezitshalweni, sikhiqize inani elikhulu lezimbuzane ezahlukahlukene. Indlela yokusebenza kwezinambuzane ezahlukahlukene iyafana, ngakho-ke sizikhetha kanjani lokho okulungele ngempela izilimo zethu? Namuhla sizokhuluma ngezinambuzane ezimbili ezinezindlela ezifanayo zesenzo: IMIDACLOPRID neThiamethoxam.
Thina balimi sijwayelane kakhulu ne-IMIDACLOPRID, ngakho-ke i-thiamethoxam iyinkanyezi entsha yezinambuzane. Yini izinzuzo zayo phezu kwesizukulwane esidala?
01. Ukuhlaziywa komehluko kwe-IMIDACLOPRID neThiamethoxam
Yize izindlela ezimbili zesenzo ziyefana (zingavimbela ukukhetha insect Centrate Central System Nicotinic acid acetylcholineestestesterote uhlelo lwe-receptor, kubangele ukukhubazeka okujwayelekile kwesistimu yezinzwa, kufa izilokazane), iThiamethoxam inethuba eli-5 elikhulu:
I-Thiamethoxam isebenza kakhulu
I-metabolite eyinhloko yeThiamethoxam ezinambuzaneni yi-adtianidin, enobudlelwano obuphakeme be-acetylcholine receptors kune-thiamethoxam, ngakho-ke inomsebenzi ophakeme wezinambuzane;
Umsebenzi we-metabolites ocwebezelayo we-IMIDACLOPRID wancishiswa.
I-Thiamethoxam ine-soubity ephezulu emanzini
I-solubility ye-thiamethoxam emanzini i-8 amahlandla ayisishiyagalombili ka-IMIDACLOPRID, ngakho-ke ngisho nasendaweni efanelekile, akuthinti ukumuncwa kanye nokusetshenziswa kweThiamethoxam ngokolweni.
Ucwaningo lukhombisile ukuthi enhlabathini evamile enomswakama, iThiamethoxam ibonisa umphumela ofanayo wokulawula njenge-IMIDACLOPRID; Kepha ezimweni zesomiso, kungcono kakhulu kune-IMIDACLOPRID.
Ukumelana Nokwehlisa I-Thiamethoxam
Njengoba i-IMIDACOPRID ibisemakethe iminyaka ecishe ibe ngu-30, ukuthuthukiswa kokumelana nezinambuzane sekuya ngokuya kukhula.
Ngokusho kwemibiko, umoya we-brown fly, i-aphid yekotoni, nomiyane obuhlaseli obuchule bathuthukise ukumelana nalo.
Ingozi yokumelana ne-cross-ukumelana phakathi kweThiamethoxam ne-IMIDACLOPRID kuma-planthoppers ansundu, ama-aphid kakotini nezinye izinambuzane ziphansi kakhulu.
I-Thiamethoxam ingathuthukisa ukumelana kwezitshalo futhi ithuthukise ukukhula kwezitshalo
I-Thiamethoxam inenzuzo ezinye izinambuzane ezingenakufanisa, okungukuthi, inomphumela wokukhuthaza izimpande nezithombo eziqinile.
Ucwaningo luye lwabonisa ukuthi i-thiamethoxam ingasebenza amaprotheni okumelana nokuxineka kwezitshalo, futhi ngasikhathi sinye akhiqiza i-auxin, iCytokinin, iGibbellin, i-peroxidanic, e-polyphenol oxidase, kanye ne-phenylalanine ammonia lyase ezitshalweni. Ngenxa yalokhu, iThiamethoxam nayo yenza izilimo iziqu kanye nezimpande ziqine kakhulu futhi zikhulisa ukumelana kwengcindezi.
I-Thiamethoxam ihlala isikhathi eside
I-Thiamethoxam inomsebenzi oqinile we-leaf conduction.
Lapho isetshenziswa emhlabathini noma imbewu, iThiamethoxam idonswa ngokushesha yizimpande noma izithombo ezintsha ezikhulayo, futhi ihanjiswa phezulu kuzo zonke izingxenye zomzimba wesitshalo ngokusebenzisa i-xylem emzimbeni wesitshalo. Ihlala emzimbeni wesitshalo isikhathi eside futhi ilulaze kancane. Umkhiqizo we-Decladation ProductIanidin unomsebenzi ophakeme we-insecticidal, ngakho-ke i-thiamethoxam inomphumela ohlala isikhathi eside kune-IMIDACLOPRID.
Isikhathi Seposi: Jan-11-2021