Abaqhamo beentyatyambo kwiimpawu zabo zendlu bahlala bejongene namabala amnyama kumaqabunga e-rose, kwaye abayiqondi ukuba benzani kule meko. Esi sifo kubangelwa i-fungus iMarsonina rosae, leyo leyo ivelisa i-rose bushes.
Ubonakala ngathi?
Amabala amnyama kumaqabunga e rosi abhekisela kwizifo ezikhula ngokuthe ngcembe. Okokuqala, ukunyamala kwenzeka kwiziko leqabunga lamagqabi, ekugqibeleni lithatha indawo ekhulayo. Kungekudala indawo emnyama neyempunga iqala ukujika, kwaye iqabunga liyabuna. Ingozi yesi sifo kukuba ngokuthe ngcembe, ukuba ungathathi naluphi na amanyathelo, i-fungus esuka kumaqabunga isasazeka kwi-trunk, kwaye emva kwenkqubo yeengcambu, ngokutshabalalisa isityalo ngaphakathi.
Ukuthintela ukuma kwamnyama
Ukuze kungabikho umzabalazo nesifo esibangelisayo, kunokuthintelwa. Kule ndlela, kukho iindlela eziliqela ongayithucula ngayo imeko yakho ye-rose bushes:
- indawo efanelekileyo ye-rosari ibalulekileyo ekuphumeleleni; apho kungekho kuhlalwa kwamanzi kunye nesithunzi somthunzi, i-rose bushes iyona nto ingabonakali kwisifo;
- Ukuqwalasela umgama okwaneleyo phakathi kweentlobo zeentlobo ezahlukeneyo ze-roses kuya kunceda ukuphepha iingxaki; ukuhamba kakuhle komoya akuyi kuvumela iifungus ukuba zenze kwaye zande;
- Ngethuba ixesha ukhula lokhula aluyi kunika umswakama emvuleni okanye kumbethe ixesha elide ukuba lihlawule kule ndawo kwaye akuyi kuba neemeko ezifanelekileyo zezifo.
Unyango lwe-black patch ye roses
Kukho iindlela ezininzi kunye neendlela zokuphatha amabala amnyama kumaqabunga e rose. Njengomthetho, kufuneka bahlanganiswe ukuze bafumane umphumo omuhle:
- Ngaphandle kokulindela eso sifo, unokuqala ukusebenzisa iindidi ezimbini zezilwanyana ezinceda ukunqanda isifo okanye ukukhusela ukuba kungabikho. Okokuqala, ukutshiza izidakamizwa ezinomdaka we-mancozeb kuya kufuneka. Unyango lwenziwa
ngeveki nganye ngokuhlwa ngaphambi kokuba amazolo ahla. Emva koko, kusetyenziswa iziyobisi kunye ne-triazole. - Emva kwemvula kunye nokucwiliswa kucetyiswa ukuba uzalise iinqununu nge-ash ash.
- Ukutshiza rhoqo kunye nokufakelwa kwegalikhi kuya kukwandisa ukuchaswa kweentsholongwane zentsholongwane.
- Ukususela ngamaxesha, ilizwe apho kuphuma khona amahlathi afunekayo ukuze ahlasele iifungicides, ukususa i-microflora ye-pathogenic. Kubaluleke kakhulu ukwenza oku emva kwemvula ende.
- Amaqabunga achaphazelekayo kunye nezinye iindawo ze-rose zisuswa kunye ne-pruner ecocekileyo. Wonke amaqabunga agugu kunye namagatsha kufuneka atshiswe, kwaye angagcinwa kwisayithi.