Powdery mildew chirwere chefungal chinokonzera powdery grey kana chena kupfeka pamashizha uye mashizha emiti inotapukirwa. Chirwere chepurey mildew chinowanzotanga semashizha mashomanana pamashizha asi anokurumidza kupararira. Ikoko yepay powyyy surface inoputika yakawanda ye fungi spores. Iyo fungidzi iri nyore kupfuura inwinter mumunda wakasvibiswa, uye naizvozvo zvakaoma zvikuru kupedza zvachose. Inogona kukonzera kukonzera mashizha uye mashizha asati apera.
Miti Inobatwa nePowdery Mildew
Sezvo vazhinji vemizambiringa vanoziva, powdery mildew inokura mumamiriro ekunyoro nemhepo inotonhorera. Mhando dzakasiyana dzakasiyana-siyana dzefungi muhutano Erysiples inogona kukonzera chirwere ichi, kunyange zviratidzo zvinogara zvakafanana. Munharaunda ipi neipi inonaya mvura inopisa, powdery mildew inowanzoita chimiro. Kunyange zvazvo inogona kukanganisa chero miriwo, pane zvimwe zvipenyu zvakawanda zvinowanzosangana neutachiona hwakakomba:
- Apples
- Begonia
- California poppy
- Dahlia
- Delphinium
- Hollyhock
- Hydrangea
- Lilacs
- Monarda
- Oak
- Phlox
- Roses
- Strawberries
- Zinnia
Kukuvadza Kwezvirimwa
Mune zviitiko zvakawanda, chironda che powdery hachina kukanganisa kumiti uye hachisi kungofadza. Mimwe miriwo inokonzerwa ne powdery mildew iyo inenge isingadziviriki; iwe unofanirwa kutarisira chigumisiro ichi kana ukasarudza kukura izvi. Vazhinji vemizambiringa vanozviisa pasi pokuti chokwadi chinonzi powdery mildew chinoita kuti chionekwe gore negore uye usanetseka kurwisana nehasha.
Asi kunze kwokusava nehanya, powdery mildew inogona, mumamiriro ezvinhu akaipisisa, inoguma nehizha rinopenya uye richidonha; stunted simbi kukura; kupotoka kwemafuro, maruva nemichero; uye pakupedzisira zvachose kushaya simba kwechirimwa.
Zvirwere Zvoupenyu Zvishoma
Spores of powdery mildew overwinter pazvirimwa zvinokonzera zvirwere uye kutanga mahedheni ekugadzirwa kwezvitsva zvitsva kana mamiriro okunze achinaya.
Zvitsva zvitsva zvinotakurwa pamhepo kune dzimwe nzvimbo dzemuti kana kuti kune dzimwe mbeu dziri pedyo. Spores haambomisi kubereka dzimwe spores, saka kana mashizha ane utachiona asina kuparadzwa, dambudziko harigoni kupedzwa uye richaramba richiwedzera.
Kuchivirira uye Kudzivirira
Powdery mildew inokura mumatsetse emvura pakati pe 60 F na80 F uye kunyanya panguva yemvura inenge isina mvura (asi kwete kunaya) uye munzvimbo dzine mhepo ine urombo husingaenderwi nemhepo. Kemikari fungicides kazhinji haigoni kupikisa powdery mildew; nzira dzakanakisisa dzakanyanyogadzirwa mumasikirwo emunhu, zvakadai sekubvisa uye kuparadza zvirwere nezvirwere.
Kudyara zvirwere zvinopesana nehutachiona uye kuve nechokwadi kuti iwe unobvumira kuti mhepo yakanaka ive nzira mbiri dzekuchengetedza pas powyy mildew. Mimwe nzira yekudzivirira kuchengetedza powdery mildew mu check inosanganisira:
- Miti yekudyara inonyanya kunetseka munzvimbo yavanogona kugamuchira mangwanani-ngwanani zuva. Izvi zvinobvumira kubvongodzwa uye dova kuti inomisa nokukurumidza uye kuderedza mamiriro ezvinhu anonaya anowedzera fungus.
- Kuvandudza kupararira kwemhepo nekuisa nzvimbo dzakasiyana zvakasiyana. Kupisa mhepo yakanaka kunoderedza chirwere chacho. Miti yakaoma inogona kudonhedzwa kunze kwekuvandudza mweya.
- Kuongorora michero nguva dzose mukati mekudziya, mamiriro ezvinhu akaoma, uye kubvisa chero mashizha anoratidza zviratidzo zvehutachiona. Nguva dzose kuparadza (musati munyorera!
- Kushandisa piritsi ye 1/4 teaspoon kubika soda yakasanganiswa ne1 quart yemvura. Kupera mapiritsi vhiki nevhiki pazviratidzo zvekutanga zvehutachiona zvinogona kudzivirira michero kuti isapfuurire kukuvara.
- Kushandisa mafuta eNeem , kurapa kunowanikwa mune zvekutengeswa. Izvi zvose zvinotapira poda powdery mildew uye zvinodzivirira simiti kuti isapfuurire hutachiona huripo.
Zvinonakidza kuti, chiyero chinobudirira mukudzivirira nekurapa mupukisa wepowdery ndechokusvibisa mashizha emiti yako zuva rega rega nemvura yakachena kubva pasi. Powdery mildew inovenga mvura! Irovha yega yega ndiyo nzira yekuziva kuti iwe unozviita mangwanani-ngwanani kuitira kuti mashizha asvike zvachose kusati kwava kunotonhora kutonhora kwemaawa. Kana zvisina kudaro, iwe unogona kukoka zvimwe zvirwere zvinokonzera fungal, zvakadai sedenga rakasviba , kupinda mumunda wako.