Sezvo tembiricha inodzikira, kufefetera mukamuri kunoderera, saka muurayi wemidzi "root knot nematode" inokuvadza zvirimwa muhuwandu hukuru.Varimi vazhinji vanoti kana shedhi yatanga kurwara, vanongomirira kufa.

Kana midzi-knot nematodes yaitika mushedhi, unofanirwa kumirira kufa here?zvirokwazvo kwete.Root-knot nematodes inokuvadza zvirimwa zvakawanda, zvikuru mavise, nightshades nezvimwe zvirimwa.Miti yemichero yakaita secitrus nemaapuro ichasanganawo ne "njodzi" iyi.Inoonekwa seimwe yezvipembenene zvepasi pevhu zvakaoma kudzora nekuti makonye anohwanda mumidzi.

Kana midzi-knot nematodes yaitika mumichero nemiriwo yakaita sematomatisi nemhiripiri, mashizha ezvirimwa anotanga kutsvuka uye kusvava masikati.Muchikamu chekupedzisira chekuitika kwemidzi-knot nematode, zvirimwa zvemichero nemiriwo zvakaita sematomatisi nemhiripiri zvinova zvishoma, mashizha madiki uye eyero, uye pakupedzisira chirimwa chose chinosvava chofa.

Nhasi ngatitaure nezve mudzi-knot nematode, “mudzi wekuuraya mudzi” wakaomesesa kumurimi uyu.

Zviratidzo zvemidzi-knot nematode infestation pamiti

Kazhinji, midzi yemashure uye midzi yebazi ndiyo inonyanya kutambudzika, uye hapana mabeaded-sebundu-sezvinhu seri kwekukuvara, uye kune machena echikadzi nematodes mushure mekucheka.Zviratidzo zvezvikamu zvemuchadenga kupera uye kutsvuka, kusvava uye kufa kana kunze kwaoma.Miti inorwara zvakanyanya inokura isina simba, diki uye yero.

Pazvirimwa zvakaita se celery, midzi ine fibrous uye lateral buds ichaita semapundu-akafanana nemanodule ehukuru hwakasiyana, uye zvikamu zvemuchadenga zvinopera zvishoma nezvishoma masikati uye kushanduka yero, uye zvirimwa zvipfupi uye zvakamira.Muzviitiko zvakanyanya, midzi inoshanduka kuva shava kusvika yaora uye yafa.

Miti yakabatwa ine midzi yakatarisana kupfuura yakajairwa, uye machuru akafanana nebead anoumbwa pamidzi ine fibrous.Mudzi-mapfundo nematodes anotanga kusimuka anoumba magranules eyero, anozoshanduka kuita magranules eyero-brown.

Nzira yekudzivirira sei midzi-knot nematodes?

Usashanda pamwe chete!Usashande pamwe chete!Usashande pamwe chete!Izvi zvinonyanya kukosha kucherechedza!

Paunenge uchitenga miriwo inobereka michero yakadai sematomatisi nemagaka, kana paunenge uchisimudza mbesa uri wega, unofanira kunyatsotarisa midzi yekukuvara kwemidzi-knot nematode.

Kutenderera kwezvirimwa.Dyarai hanyanisi yakasvibirira, garlic nezvimwe zvirimwa pakati pemikoto yemichero nemuriwo zvakaita sematomatisi nemagaka.

Kana chirwere chacho chakomba, chera zvirimwa zvinorwara nenguva, chera zvose uye usasa nequicklime, uye viga zvakare mepu.Kana chirwere chacho chisina kuoma,abamectin, avimidacloprid, thiazophosphine, nezvimwewo zvinogona kushandiswa pakudiridza midzi.