Muchirwe chemukati, pamwe nemaruva emunda, dzimwe nguva vanorwara. Izvi zvinoitika kune zvikonzero zvakasiyana-siyana - ivhu rakashata, kunwisa zvakanyanya, mitemo isina kukwana. Semuenzaniso, violets inowanzobatwa nekunonoka kwemazuva, mites, aphids. Vanotambura nezvirwere zvefungal, kunyanya powdery mildew. Ngatitsvakei nzira yekurapa maruva munyaya ino uye maitiro ekurapa violets kubva muhunova powdery.
Nzira yekurapa violet kubva ku powdery mildew?
Mashizha ehuputi anokonzerwa nechirwere ichi achava nemucheka wakachena uye anotarisa guruva. Asi haisi guruva zvachose - iko kupfeka kwakachena kwemycelium. Inogona kuumbwa kwete pamashizha chete, asiwo pamatemu uye peduncles.
Kuti ubvise zvaunoda zve violets kubva ku powdery mildew, unoda kunzwisisa zvikonzero zvekuitika kwayo. Uye vanogona kuva vakasiyana:
- kudzvinyirira maruva ne nitrogen mumamiriro ezvinhu ekushayikwa kwephosphorus uye potassium muvhu;
- kukwirira kwemukoko muimba yepamuchechi kugadzirisa kutsetseka;
- guruva uye tsvina padhefu rine maruva;
- kujekesa kwakakwana kwemuti.
Sekutonga, hazvisi zvakaoma kubata nemapurdyy mildew mu violets. Ichave yakakwana kushandisa sarfa imwe chete yezvirimwa zvinorwara neine antifungal agent. Nokuda kwezvinangwa izvi fungicides yakadai se "Benlat" kana kuti "Fundazol" yakakodzera . Cherechedza kuti chirwere chacho chinogona kugunzva uye chimira pedyo ne violets, kunyange kana kukwikwidza kusati kwaonekwa, saka zvakanakisisa kushandura iyo yose yekuunganidza kamwechete. Kana imwe tsvina isingabatsiri, mushure memazuva gumi unogona kudzokorora nzira iyo kana kushandisa shanduro yakasimba "Topaz".
Kurapa kwe powdery mildew mu violets kunogoneka uye mishonga yevanhu - nekuda kwekushandisa uku sarudzo dze calcined soda kana mhangura sulfate nesipo, kusimiswa kwecolloidal sulfuri, kukanganiswa kwemakumbo emombe yakaora.
Uye kuchengetedza kudzokorora kwepodaviry mildew mu violets mushure mekurapwa, edza kugadzira mamiriro ezvinhu akanaka emaruva ako: chengetedza rafu kana sill tsvina, chengetedza hutambo hwekushisa uye kudya zvokudya zvakaoma mumushonga mumhando yakakodzera. Isa nzvimbo idzi zvakanakisisa kumativi ekuchamhembe-kumabvazuva. Uye kana mahwindo ako akatarisa kumadokero kana kumaodzanyemba, iva nechokwadi chokuti mumvuri maviolets, kunyanya muzhizha.