1 . Wokpomọkụ skaab
N'oge okooko na ndochi oge nke ọka wit, mgbe ihu igweisurukpuru na mmiri ozuzo , a ga-enwe ọnụ ọgụgụ buru ibu nke germs na ikuku, na ọrịa ga-eme.
Enwere ike imebi ọka wheatn'oge ogesite seedling ruo n'isi, na-eme ka seedling ire ere, azuokokoosisi ire ere, stalk ire ere na ntị ire ere, n'ime nke kasị njọ mmebi bụ ntị ire ere.
Mkpụrụ ọka wit na-ebu nje skaab nwere nsị, nke nwere ike ịkpata nsị na mmadụ na anụmanụ, na-ebute vomiting, mgbu afọ, isi ọwụwa, wdg.
Ọgwụgwọ kemịkalụ:
Carbendazim na thiophanate-methylnwee mmetụta dị mma n'ịchịkwa skaab ọka wit.
2. Wkpoo powdery mildew
Na mmalite, ntụpọ ọcha na-acha ọcha na-apụta na epupụta. Mgbe ahụ, ọ na-eji nwayọọ nwayọọ gbasaa ruo ihe fọrọ nke nta ka ọ bụrụ gburugburu na-acha ọcha oval, ma e nwere akwa akwa ntụ ntụ n'elu ebe ahụ. N'oge na-esote, ntụpọ ahụ na-acha ọcha ma ọ bụ na-acha aja aja, na-enwe obere ojintụpọnantụpọ ọrịa.
Ọgwụ fungicides kwesịrị ekwesị:
Triazole (triazolone, propiconazole, pentazolol, wdg). Mmetụta dị mma, ma ọ bụghị ike, naitenwere ike ijina mmalite ogbo ma ọ bụ maka mgbochi.
Azoxystrobinna pyraclostrobin nwekwaranke ọmammetụta na ịchịkwa mildew powdery.
3. Wikpo nchara
Nchara ọkaọtụtụ mgbeimesna epupụta, n'ọbọ, ị ga na ntị. Okpokoro uredospore na-acha odo odo, ọbara ọbara-agba aja aja ma ọ bụ aja aja na-apụta na akwụkwọ ma ọ bụ ị ga-arịa ọrịa.mgbe ahụmkpọkpọ spore na-atụgharị oji. Ọrịa ahụ na-emetụta mmepe na njuputa ọka wit, nke na-eme ka ọka ndị ahụ dị ntakịrị ma na-ebelata mkpụrụ ọka wit.
Ọgwụ fungicides kwesịrị ekwesị:
Ị nwere ike ịhọrọAzoxystrobin,Tebuconazole,Difenoconazole,Epoxiconazole ma ọ bụ mgbagwoju usoro nke ndị a nọ n'ọrụ Efrata.
4. Akwukwo blight nke ọka wit
Akwụkwọ blight na-emetụtakarị akwụkwọ na n'ọbọ akwụkwọ. Na mbụ, obere ntụpọ oval na-acha odo odo ma ọ bụ ìhè akwụkwọ ndụ akwụkwọ ndụ na-apụta na epupụta. Mgbe ahụ, ihe ncheta ndị ahụ na-ebuwanye ibu ngwa ngwa wee ghọọ nnukwu mbadamba nkume na-acha odo odo-acha ọcha ma ọ bụ odo-aja aja.
N'ozuzu, ọrịa ahụ na-amalite site na akwụkwọ ala ma jiri nwayọọ nwayọọ malite elu. N'ọnọdụ ndị siri ike, akwụkwọ nke osisi ahụ dum na-atụgharị odo ma nwụọ.
Ọgwụ fungicides kwesịrị ekwesị:
Ị nwere ike ịhọrọ Hexaconazole, Tebuconazole, Difenoconazole, Thiophanate-methyl ma ọ bụ mgbagwoju usoro nke ndị a nọ n'ọrụ Efrata.
5. Wokpomọkụ smut
Ná mmalite nke ọrịa ahụ, e nwere ihe nkiri isi awọ n'èzí ntị, nke jupụtara na ntụ ntụ. Mgbe ọ gachara, ihe nkiri ahụ tiwara na ntụ ojii ahụ fepụ.
Ọgwụ fungicides kwesịrị ekwesị:
Ị nwere ike ịhọrọEpoxiconazole, Tebuconazole, Difenoconazole, Triadimenol
6. Rnke flax
Ọrịa ahụ nwere mgbaàmà dị iche iche na ihu igwe dị iche iche. N'ebe kpọrọ nkụ na nke kpọrọ nkụ, ọrịa ahụ na-ebutekarị ire ere na mgbọrọgwụ mgbọrọgwụ; n'ebe mmiri ozuzo,e wezụgamgbaàmà ndị a dị n'elu, ọ na-ebutekwa ntụpọ akwụkwọ na azuokokoosisi akpọnwụ.
Mgbochi:
(1) Họrọ ụdị ndị na-eguzogide ọrịa ma zere ịgha mkpụrụ dị iche iche.
(2) Mee ka njikwa ihe ọkụkụ sie ike. Isi ihe na-achịkwa mgbọrọgwụ ire ere n'oge mkpụrụ osisi bụ na a pụghị ịkụcha ubi ọka ọka mgbe niile, a pụkwara iji ihe ọkụkụ dị ka flax, nduku, rapeseed na osisi leguminous gbanwee ya.
(3) Ịtinye mkpụrụ n'ime ọgwụ. Site na tuzet, gbanye mkpụrụ osisi ahụ maka awa 24 ruo 36, yana mmetụta nchịkwa karịrị 80%.
(4) njikwa ịgbasa
Na nke mbụ, a na-efesa propiconazole ma ọ bụ thiram wettable ntụ ntụ n'oge okooko ọka wit.
Maka oge nke abụọ, a na-efesa thiram site na ndochi ọka wit ruo n'oge mmalite nke mmiri ara ehi na-eto, na-ewe ụbọchị 15. Ma ọ bụ triadimefon nwekwara ike ịchịkwa ọrịa ahụ nke ọma.
Oge nzipu: Ọgọst-15-2023