Uma uthola i-greyish-white white on the leaf leaves noma amabhola brown, lesi sitshalo sithinteka powdery isikhutha. Ukugqoka okukhanya kancane kancane kuqala ukukhukhumeza futhi ekugcineni kutholakala umbala obomvu. Lokhu akulona nje kuphela i-mycelium ehlala ngengozi yesitshalo. Amabhola aluhlaza yizinhlamvu ze-fungus. Ingozi yalesi sifo yile ndlela elandelayo: isitshalo siphela ngokuphelele ukubukeka kokuhlobisa, kanti izindawo ezithintekile kancane kancane ziphenduka abamnyama futhi zife. Uma i-inflorescences ithintekile, ayikwazi ukwakha ama-ovari. Ngaphezu kwalokho, lesi sifo sinciphisa kakhulu ukumelana phakathi nobusika.
Njengomthetho, ukuqala kokutheleleka kwenzeka ekuqaleni kwehlobo. Phakathi nalesi sikhathi, ama-spores akhishwa emzimbeni wesithelo wefungus. Ngezikhathi ezomile ngesikhathi sokushisa, uma kunokushintshashintsha okubukhali ekushiseni nangomswakama, izimo ezinhle zokuthuthukiswa komzimba we-powdery zivela. Kwenzeka ukuthi ukubonakala kwalesi sifo kubangela ukusetshenziswa okunamandla kakhulu komanyolo we-nitrogen. Uma ukusika okuqinile ukuvuselela kwenziwa, isitshalo ayikwazi ukumelana.
Umkhuhlane we-powdery uyisifo se-fungal. Idluliselwa ngumoya noma nge-splashes of water ngesikhathi sokunisela.
Ungasusa kanjani isikhutha se-powdery?
Ukulwa nomkhuhlane kuqala ngokuvimbela. Ehlobo, impova kufanele iqhutshwe okungenani izikhathi ezine. Uma kunokwenzeka, ungasebenzisi umanyolo we-nitrogen ngenkathi uhluma, lokhu kukhulisa kakhulu ingozi yesifo. Ukwandisa ukuzinza kwamanyolo we-potassium ne-phosphate.
Ukulwa ne-powdery isikhutha kufanele kuqalwe ngesikhathi, ngaphandle kwalokho kusongela isifo sonke. I-fungus ikhetha ubusika ekutshaleni kwezitshalo, ngakho-ke kubaluleke kakhulu ukuba ususe isikhathi bese ubashisa noma ujulise emhlabathini.
Emagqumeni e-gooseberries kanye nama-currants kufanele aqedwe amaphesenti aphethwe amahlumela entwasahlobo. Qinisekisa ukuthi ukondla amahlathi ngamanyolo "alungile". Ngaphambi nangemva kwemifula, kubalulekile ukuphatha lesi sitshalo nge-soda calcined. Ngesinye isikhathi eminyakeni engama-2-3 kuvunyelwe ukufaka isicelo sokuqeda ukusifiphaza ngesisombululo sensimbi.
E-strawberries, ama-raspberries ne-dogrose, izifo zithinta kuphela ingxenye yendiza. Kulesi simo, amaqabunga aqala ukuqubuzana nokuwa. Ungahlanza izitshalo nge-sulfur colloidal kanye ngesonto. Nazi izindlela zokupheka ezimbalwa:
- mix 50 g of sulfure nge 5 g we-sulfate ethusi bese uhlanza ngamalitha ayi-10 amanzi;
- mix 100 g isobho lokuhlanza bese wengeza kuwo 5 g wevitriol, konke kuhlanjululwe ngamalitha ayi-10 amanzi;
- ungalungisa isixazululo se-Mullein ngesilinganiso esingu-1:10, ukuphikelela okungenani amahora angu-4.
Kukhona nezindlela eziningi ukuthi umuntu angasusa kanjani amazolo we-powdery. Nazi izindlela zokupheka ezimbalwa:
- 1 litre amanzi, chaza 4 g of soda ash kanye 4 amagremu of sese yokuhlanza. Isixazululo sipholwa ngezitshalo kabili ngesonto;
- 1 litre lamanzi abilayo achithe ingxenye yengilazi yomlotha. Ukumelela izinsuku ezimbili. Sula isixazululo bese ungeza kuso 4 g yensipho encibilikile. Hlela izitshalo kabili ngesikhathi sokuphumula ngesonto.
Isikhumba samapulazi ngezimbali
Ukuze uthole umlimi wemifino, le nkinga ayiphuthumayo kangako, ngoba lesi sifo ngokuvamile sithinta izimbali zasendlini.
Kodwa konke okufanayo, izinyathelo zokulwa ne-powdery isikhutha ezikhona izimbali. Ukuze ulondoloze isitshalo, udinga ukuphendula ngokushesha ngangokunokwenzeka. Kunezindlela ezikhethekile ze-powdery isikhutha, ezingathengwa ezitolo zabaflorisi. Isidakamizwa esithi "I-Topaz" sisetshenziselwa ngokulandela imiyalo yazo zonke izitshalo, ngisho neziphilile. Kuvame ukwanele ukucubungula izimbali kanye.