Anthu a ku Ryazan anachenjeza za khansa ya mbatata. Zambiri zidawonekera patsamba la dipatimenti yachigawo ya Rosselkhoznadzor. Malinga ndi akatswiri, chipatso choterocho chimakhala ndi maonekedwe osasangalatsa ndipo chimakhala chosayenera kudyedwa ndi anthu. "Choyambitsa matendawa ndi bowa, Sychytrium endobioticum.
Chimodzi mwa zifukwa zopangira khansa ya mbatata ndikubzala pamalo omwewo kwa zaka zingapo zotsatizana. Ma spores a bowa amatha kufalikira limodzi ndi zovala zantchito, nsapato, zida, kapena kufalikira ndi tizilombo tosiyanasiyana.
Amadziwika kuti khansa ya mbatata imayamba kuoneka ndi mapangidwe ang'onoang'ono ang'onoang'ono a tubercles ozungulira maso a tuber. Pang'onopang'ono amadetsedwa, amakula kukula ndipo amasanduka zophuka zofiirira. Zomera zochokera kumalo omwe ali ndi kachilombo ziyenera kutenthedwa. Iwo ali osavomerezeka kukula mbatata m'malo kwa zaka zitatu. Mutha kubzala mbewu zomwe sizingatengeke ndi matendawa, monga kabichi, anyezi, beets kapena nkhaka.
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