#PlantPathology #CropDisease #FungalOutbreak #AgriculturalImpact #PhomaPrevention #BlacklegManagement
Blackleg fungus, nesainzi inozivikanwa sePhoma Lingam, chirwere chinokanganisa mhuri yebrassica yezvirimwa, kusanganisira canola, kabichi, uye broccoli. Fungi uhu hunogona kukonzera kukuvadzwa kwakanyanya pazvirimwa, kuderedza goho uye kunaka kwezvirimwa. Muchinyorwa chino, tichakurukura nezvekuvandudzwa kweiyo blackleg fungus kubuda, mhedzisiro yainayo pakurima, uye matanho anogoneka ekudzivirira uye kugadzirisa kupararira kwayo.
The blackleg fungus kubuda yakatanga muEurope muna 1970s, asi ikozvino yapararira kune mamwe makondinendi, kusanganisira North America neAustralia. Howa iyi inogona kurarama muvhu nekudyara tsvina kweanosvika makore mana, zvichiita kuti zviome kudzora kupararira kwayo. Mbeu dzayo dzinogonawo kufamba nzendo refu kuburikidza nemhepo nemvura, zvichitapura zvirimwa zvine utano munzvimbo itsva.
Kana blackleg fungus inokanganisa zvirimwa, inokonzera maronda akasviba kuti aumbe pamadzinde nemashizha. Maronda aya anogona kusunga madzinde, zvichideredza kuyerera kwezvinovaka muviri nemvura kune yese chirimwa. Nekuda kweizvozvo, simiti inogona kusvava, uye mashizha ayo anogona kushanduka yero kana shava. Muzviitiko zvakakomba, chirimwa chinogona kufa, zvichikonzera kurasikirwa kwegoho uye mari yevarimi.
Kudzivirira uye kubata blackleg fungus, varimi vanogona kuita matanho akasiyana. Kutenderedza zvirimwa ndeimwe yenzira dzinoshanda dzekudzikisa njodzi yehutachiona sezvo fungus inogona kurarama muvhu nemarara ezvirimwa. Varimi vanokwanisawo kushandisa mhando dzembesa dzisingabatike, izvo zvisinganyanyi kubatwa nefungus. Fungicides imwe sarudzo, asi kushanda kwavo kunogona kusiyana zvichienderana nenguva yekushandiswa uye kuoma kwehutachiona.
Kuputika kweblackleg fungus kunokonzerwa naPhoma Lingam kunogona kuita zvakakosha pakurima, kuderedza goho uye kunaka kwezvibereko. Varimi vanofanira kutora matanho ekudzivirira nekugadzirisa kupararira kwefungus iyi kuti ideredze kukanganisa kwayo. Kuchinjanisa mbesa, mhando dzembesa dzisingarambiki, nemishonga yefungidziro ndedzimwe nzira dziripo dzekugadzirisa chirwere ichi.