Fungi tupukanana tupuka tusingaoneki twunogona kukuvadza zvirimwa; muchokwadi, patinongoona kuti chimwe chinhu chiri kuitika, kazhinji ivo vakave nenguva yakawanda yekutapura chikamu chakanaka chemuviri wavo, sezvazviri kune izvo zvinokanganisa chakuvhe.
Ichi chirwere ndechimwe chezvinhu zvakajairika. Saka, Tichakuudza zvigadzirwa zvekurwisa chakuvhe chinonyanya kushanda.
Chii chinonzi chakuvhe?
Downy mildew iboka rezvirwere zvinokonzerwa nema oomycetes emhuri yePeronosporaceae. Kunyangwe isu tichiti iwo fungi, sezvo akaiswa mukati meboka rezvirwere zvinokonzerwa nema microorganisms aya, iwo ari enhema-fungi.
Izvo zvinoparadzirwa nema spores panguva yekunaya uye inodziya nguva (ine tembiricha ye10-25ºC). Kana ma spores aiswa mune chimwe chikamu chezvirimwa (mashizha, madzinde kana michero), anotanga kukura mukati..
Ndezvipi zviratidzo / kukuvara kwazvinokonzera?
Tichaziva kana tiine zvirimwa zvine chakuvhe kana isu tichiona zvinotevera:
- Yero makwapa pane yekumusoro chikamu chemashizha
- Chitarisiko chegreyish poda pazasi pemashizha, madzinde uye / kana michero
- Shizha uye / kana michero inodonha
- Kukura kusungwa
- Rufu
Ungabvisa sei?
Products
Zvigadzirwa zvatinogona kushandisa kuzvibvisa ndeizvi:
- Systemic fungicides (vanopinda mumuti): isa 1-2 mazuva mushure mekuonekwa kwezviratidzo zvekutanga, uye dzokorora pese panonaya mvura.
- Fosetyl-Al
- Metalaxyl
- Isiri-systemic fungicide: Chlorthalonil.
- Kudzivirira: Mhangura oxychloride.
Zvimwe zvinhu zvatinogona kuita
Kudzivirira / kubvisa kuoneka kwehunhu pane zvinhu zvakawanda zvatinogona kuita, chii chiripo:
- Prune izvo zvakakanganiswa zvikamu
- Usanyorove mashizha, madzinde, kana maruva kana uchidiridza
- Bvisa mishonga yemusango kubva kwakapoteredza zvirimwa
- Usatenge zvirimwa zvinorwara
Nekudaro, zvirokwazvo tinogona kutaura zvakanaka zvachose kuzvirwere izvi zvinonzi chakuvhe 🙂.