Bakiteriya wowola wa mphete, yemwe mwasayansi amadziwika kuti Clavibacter michiganensis subsp. Sepedonicus, imakhala pachiwopsezo chachikulu ku mbewu za mbatata, ndi chikhalidwe chake chopatsirana komanso cholimba m'malo osiyanasiyana. Kumvetsetsa mawonekedwe, zizindikiro, ndi njira zodzitetezera zomwe zimakhudzana ndi matendawa ndikofunikira kwambiri poteteza kulima mbatata.
Bakiteriya wowola wa mphete amawonetsa kulimba mtima kodabwitsa, makamaka kumakwirira m'machubu ambewu ndikukhala ndi moyo kwa zaka 2 ngati matope owuma pamalo osiyanasiyana monga mipeni yodulira, nkhokwe zosungira, zida, ndi zida zonyamula. Chochititsa chidwi n'chakuti, bakiteriyayi imapirira kuzizira kozizira kwambiri, zomwe zimatsindikanso kuti imapitirizabe nyengo iliyonse.
Kufalira kwa mphete kumawola makamaka kuchokera ku zidutswa za mbeu kupita ku ma tubers athanzi panthawi yodula ndi kubzala. Mipeni yodulira mbewu yoipitsidwa ndi zotengera zonyamulira zimagwira ntchito ngati zofalitsa zamphamvu, kugwiritsa ntchito mabala atsopano ngati polowera mabakiteriya mu chubu. Komanso, kukhudzana kwachindunji pakati pa zomera zodwala ndi zathanzi, komanso mayendedwe kudzera pazida zaulimi ndi tizilombo tina, kumathandizira kufalikira kwa matendawa.
Chimodzi mwazinthu zodziwikiratu zakuwola kwa mphete ndikusiyana kwazizindikiro zamitundu yosiyanasiyana ya mbatata. Zomera zina ndi ma tubers amatha kunyamula mabakiteriya osawonetsa zizindikiro zowoneka, motero amatha kunyamula matendawa. Kuonjezera apo, nyengo imathandizira kuwonetsa zizindikiro, chifukwa nyengo yozizira komanso yonyowa imatha kubisala zizindikiro, zomwe zimapangitsa kuti tizilombo toyambitsa matenda tizilombo toyambitsa matenda tizilombo toyambitsa matenda tizilombo toyambitsa matenda tizilombo toyambitsa matenda tizilombo toyambitsa matenda.
M'nyengo yotentha, yowuma, kuvunda kwa mphete kumakula mofulumira, ndipo zizindikiro zoyamba zimawonekera pamasamba apansi chapakati pa nyengo. Matendawa amawonekera ndi zizindikiro zosiyana za masamba, zimayambira, ndi tubers. M'mbali mwa tsinde muli chikasu, kufota, ndi necrosis ndi zizindikiro za masamba. Ma tubers omwe ali ndi kachilombo amawonetsa ming'alu yooneka ngati nyenyezi pakhungu, limodzi ndi kukula kwa zowola zopanda fungo m'mitsempha yamagazi, zomwe zitha kukhala zovuta kwambiri chifukwa cha kuukira kwachiwiri kwa bakiteriya, zomwe zimapangitsa kuvunda konunkha komanso kuwonongeka kwa ma tubers.
Poganizira kuopsa kwa kuvunda kwa mphete, njira zodzitetezera ndizofunikira kuti muchepetse mphamvu zake. Kugwiritsa ntchito mbatata yovomerezeka, kubzala mbewu zonse, dontho limodzi, ndi mipeni yodulira tizilombo toyambitsa matenda, nkhokwe zosungira, zida ndi zida ndizofunikira. Kupewa kugwiritsa ntchito zovundikira komanso kuonetsetsa kuti nthawi zambiri akupha tizilombo toyambitsa matenda panthawi yodula ndi kubzala ndi njira zofunika kwambiri zopewera kufalikira kwa matendawa.
Pomvetsetsa mtundu wa mphete yowola, kuzindikira zizindikiro zake, ndikugwiritsa ntchito njira zodzitetezera, alimi a mbatata amatha kuteteza mbewu zawo ku chiwopsezo chowopsachi, ndikuwonetsetsa kuti ntchito zawo zaulimi zikuyenda bwino komanso kuti zikuyenda bwino.