Abalimi bezimvini ezindlini zabo bavame ukubhekana namabala amnyama emaqabunga e-rose, futhi abaqondi ukuthi benzeni kuleso simo. Lesi sifo kubangelwa i-fungus Marssonina rosae, okuletha kancane kancane ama-rose ash.
Kubonakala kanjani?
Amabala amnyama emaqabunga e-roses abhekisela ezifweni ezikhula kancane kancane. Okokuqala, ukunyamala kwenzeka phakathi nendawo yeqabunga leqabunga, ekugcineni kuthatha indawo ekhulayo. Ngokushesha indawo emnyama neyimpunga iqala ukuphenduka, futhi iqabunga liyabuna. Ingozi yalesi sifo ukuthi kancane kancane, uma ungathathi izinyathelo, i-fungus evela emaqabungeni isakazeka esihlahleni, bese ifika ohlelweni lwempande, ngaleyo ndlela libhubhise lesi sitshalo ngaphakathi.
Ukuvimbela ukuma okumnyama
Ukuze ungalwisana nesifo esingahambi kahle, singavinjelwa. Ngenxa yalokhu, kunezindlela eziningana ongayithuthukisa ngayo isimo sezithelo zakho zama rose:
- indawo efanele ye rosary iyisihluthulelo sempumelelo; lapho kungekho khona ukuqhuma kwamanzi kanye nesithunzi se-noonday, ama-rose bushes ayencane kakhulu kunesifo;
- Ukubona ibanga elanele phakathi kwamahlathi ngezinhlobo ezahlukene zama roses kuzokusiza ukugwema izinkinga; ukugeleza komoya okuhle ngeke kuvumele ukufaka amafucu ukuthi kwakha futhi kwande;
- Ngokuhamba kwesikhathi ukhula olukhula ukhula aluyikunika umswakama emvula noma amazolo isikhathi eside ukuze kuqhumeke kule ndawo futhi ngeke kube khona izimo ezijabulisayo zesifo.
Ukwelashwa kwe-black patch yama-roses
Kunezindlela eziningana nezindlela zokwelapha izindawo ezimnyama emaqabunga e rose. Njengomthetho, badinga ukuhlanganiswa ukuze bathole imiphumela emihle:
- Ngaphandle kokulinda lesi sifo, ungaqala ukusebenzisa izinhlobo ezimbili zezidakamizwa ezisiza ukuqeda lesi sifo noma ukuvimbela ukuthi zingabikho. Okokuqala, ukupompela ngezidakamizwa ezinemithi ye-mancozeb kuyodingeka. Ukwelashwa kwenziwa
amasonto onke kusihlwa ngaphambi kwamadonsi amazolo. Emva kwalokho, izidakamizwa ezine-triazole zisetshenziswa. - Ngemuva kwemvula nokuphuza kuhleleka ukugcwalisa iziqu ngamapulangwe.
- Ukupompa njalo nge ukumnika igalikhi kuzokwandisa ukumelana nokutheleleka kwefungal.
- Ngokuphindaphindiwe, izwe lapho kukhula khona amahlumela kudingeke ukuba uchithe amafongicides, ukususa i-microflora ye-pathogenic. Kuyasiza kakhulu ukwenza lokhu ngemuva kwemvula ende.
- Amaqabunga othintekile kanye nezinye izingxenye ze-rose zisuswe nge-pruner ehlanzekile. Wonke amaqabunga amagatsha namagatsha kufanele ashiswe, futhi angagcinwa kusayithi.