Thegwakọta nke ọgwụ na-egbu ọgwụ na ọgwụ ọgwụ bụ nsogbu dị mgbagwoju anya. Ọ bụghị a ga-agwakọta ọgwụ niile. Ihe ndị a ga-a toa ntị na mgbe a na-agwakọta:
1. PH bụ ihe dị mkpa na-emetụta ịdị irè nke nke ọ bụla. N'okpuru ọnọdụ alkaline, carbamates, ụmụ ahụhụ Pyrethroid, mgbanaka pyracarbamic acid na-adịkarị mfe, mgbanwe kemịkalụ, si na-emebi ihe owuwu mbụ. N'okpuru ọnọdụ acidic, 3,4-d sodium 2,4-d 3 chloride-4 chloride-4 nnu, wdg ga-emebi emebi ọgwụ.
2. A gaghị agwakọta ọgwụ mgbochi na ihe mgbochi ọrịa ọla kọpa, dị ka Dithiocarbate fungicides, n'ihi na ejiri ọla kọpa rụọ ọrụ, n'ihi na ha anaghị eme ihe.
3. Nkịta microbial na ndị otu Simic madụkọta ụmụ ahụhụ enweghị ike ịgwakọta ya na fungicides.
4. Maka ijikọ ndị a gwakọtara ike ma ọ bụ ụrọ na-akpaghị aka, enweghị mmefu, mmanụ mmanụ, wdg.
5. Ọ dị mkpa iji zere phytotoxicity nke ngwakọta. Mgbanwe kemịkal nke ihe ndị na-arụ ọrụ na mejupụtara nke ngwakọta nwere ike ibute phymotoxity. Dịka ọmụmaatụ, ngwakọta nke lime sulfur ngwakọta na ngwakọta Bordeaux nwere ike imepụta ọla kọpa sọlfọ ma mee ka ọdịnaya ọla kọpa jupụta; Ahịhịa Ahịhịa, wdg.
6. A na-agwakọta ụmụ ahụhụ, fungicides na ahịhịa na-agwakọta ya na obere iche.
7. E nwere ọtụtụ ụdị ngwakọta fungium, ọkachasị gụnyere mkpụrụ mkpụrụ ugboro abụọ, mantoxyllyl ma ọ bụ nkwụsị nke Polysulfide.
8. E nwere ole na ole agwakọta nke ihe ọkụkụ na-achịkwa ọkụ. Dị ka agwakọta nke Giberellin na chlormat, agwakọta ojiji nke gibbellin na Naphalene acetic acid na ndị ọzọ.
Oge Post: Mar-25-2021