I-pathogen ye-ring rot yatholakala kumasampula amazambane avela emapulazini amathathu esifundeni sase-Amur.
Amasampula amazambane athathwe ukuze kuhlaziywe i-PCR emapulazini ayi-7 esifundeni. Sekukonke, kwahlaziywa amathani angaphezu kwe-1800. Kumele kuqashelwe ukuthi ngesikhathi sokuhlolwa okubonakalayo kwezilimo eziyizigaxa zamazambane ezisetshenziselwa ukuhlaziywa, azikho izimpawu zalesi sifo ezitholiwe, okusho ukuba khona kwe-pathogen ngendlela efihlekile.
Ngo-2020, igatsha le-Federal State Budgetary Institution "Rosselkhoztsentr" esifundeni sase-Amur lenza izifundo zamazambane zokutheleleka ngezifo ezibangelwa amagciwane noma amagciwane - "Potato phytopathogens. I-DNA ”, okungukuthi ukuba khona kwe-pathogen ye-ring rot Clavibacter michiganensis subsp. I-Sepedonicus (Cms). Imiphumela yocwaningo ikhombise ukuthi kumathani ayi-1872 amazambane ahloliwe, i-causative agent yokubola kwendandatho itholwe kumathani angama-515.
Ukubola kwendandatho yamazambane, isifo sesistimu esibangelwa ibhaktheriya ye-gram-positive, ingenye ye-bacteriosis evame kakhulu futhi eyingozi. Izimpawu ezijwayelekile zalesi sifo wukushwabana kwengxenye esemoyeni yesitshalo kanye nokubola kwendandatho yezilimo eziyizigaxa, ngenxa yalokho ukulahlekelwa kwesivuno samazambane eminyakeni ethile kungaba ngu-50%.
Lesi sifo senzeka emazwenikazi ayi-5, emazweni angaphezu kwama-30 emhlabeni jikelele. I-ejenti eyimbangela yalesi sifo iyinto yokulawulwa kwe-quarantine yomhlaba wonke futhi ifakwe ohlwini lwe-A2 lwe-European Plant Protection Organization. Njengamanje, kukhona ukuthambekela ekusakazeni okuqhubekayo kwalesi bacteriosis, kuhlanganise nensimu yeRussian Federation. Naphezu kwalokhu, izindlela zokubola kwe-ring pathogenesis azikafundwa ngokwanele. Inkinga iphinde ibe yinkimbinkimbi yiqiniso lokuthi i-Cms ibonakala ngezigaba ezicashile zesifo, lapho izitshalo ezinegciwane zingenazo izimpawu eziveziwe, futhi izilimo eziyizigaxa ezinegciwane azihlukani ngokubonakalayo nezinempilo.