Indlovukazi yomyezo - i-rose - ayikho nje into engummangaliso kwaye ifuna ukunyamekela umntu. Ihlathi elihle liyakwazi ukunqoba izifo ezahlukeneyo. Enye yezona zinto ziqhelekileyo kwaye zingozi kwintsimi yi-powdery mildew kwi-roses. Isi sifo sesibonakaliso sibonakaliswa ngokubonakala kwiphalagi emhlophe-grey kwi-trunk, amahlumela, ameva, amaqabunga kunye namahlumela esityalo. Ngokukhawuleza amaqabunga amile, awa, iintyatyambo ziba zicace. I-rose iyancipha, kwaye phantsi kweemeko ezimbi, ukufa kwayo kusondele. Kodwa siya kukuxelela ukuba wenze ntoni nge powdery isikhutha kwi roses kunye nendlela yokugcina intyatyambo oyithandayo.
Izilwanyana zezilwanyana zeepowy mildew kwi roses
Ukuba i-rose yakho ishukunyiswe kwisilinganisi esincinci, unokukwazi ukujamelana nesi sifo ngoncedo lwezonyango zabantu. Nangona kunjalo, ekuqaleni kuyimfuneko ukususa iindawo ezonakalisiweyo zityalo kwaye zitshise. Emva koko ukutshiza kuqhutywe: ngaphambi kokuba kuvele amaqabunga, ngexesha leentyantyambo kwaye, ngokuqinisekileyo, emva kwayo.
Okokuqala, zama ukunyuswa kwe-ash kunye ne-mullein. Yilungiselelwe ukusuka kwi-1 kg ye-mullein, i-10 gallon yamabhakethi amanzi kunye ne-200 g ye-ash, igxininise iveki, ibe isetyenziswe njenge-spray ye-rose bushes kunye nomhlaba ojikelezayo.
Isisombululo esihle sesiphumo se-powdery kwiirasi sisisombululo se-ash. Isilwanyana esicetywayo silungiselelwe ukusuka kwi-10 ilitha amanzi, apho i-1 kg ye-ash ixutywe ngokuxhomekeke kwisiqingatha seyure. Ukuba unqwenela, isisombululo se-ash singaxutywa kunye ne-50 g yesepha elula. Ibha yayo kufuneka ixutywe kwi-grater enkulu kwaye ichithe.
Iikhemikhali ezivela kwi-powdery mildew kwi-roses
Ngomlinganiselo ophakathi kunye noqinileyo onokutshatyalaliswa, ubuhle begadi buya kufuna ukusetyenziswa kweekhemikhali. Uncedo olugqithisileyo kunyango lwe-powdery kwi-roses kuya kuba nesisombululo se-1-3% somxube weBordeaux. Bahlahlela isiqithi ukusuka phezulu nakwinqanaba, kwaye baphinde benze iinkqubo.
Ngendlela efanayo, sebenzisa naziphi na izixhobo ezibhalwe ngezantsi:
- Isisombululo se-3% sobhedu sulfate;
- I-0, 5% isisombululo se-chloride yobhedu;
- isisombululo sulfal sulfate, soda kunye nesepha.
Ukulungiswa kokugqibela kulungiselelwe ukusuka kwi-15-20 g ye-sulfate yobhedu, iibhakethi zamanzi, i-50 g ye-soda ash kunye nesepha ye-200.
Ukongeza kwiimali ezingasetyenziswa ekhaya, sincoma ukuba uzame amalungiselelo akhethekileyo - iifungicides. Injongo yabo eyintloko kukutshatyalaliswa kwezifo ezahlukahlukeneyo zentsholongwane. Ngokomzekelo, ekulweni ne-powdery mildew kwi-roses, imali efana ne "Fitosporin-M", "Bayleton", ilitye lesiseko, "Maxim", "Topsin-M" iyakhathazeka kakuhle. Kwaye i-rose iphathwa ngokuphindaphindiweyo kwaze kwaba yilapho i-powdery mildew iphela. Ngelo xesha, abaninzi balimi bancoma ukuba batshintshe i-remedy ukuze bagweme ukusebenzisa i-fungus.