Akatswiri a nthambi ya Pyatigorsk ya Federal State Budgetary Institution VNIIKR (All-Russian Center for Plant Quarantine) pa kafukufuku wa labotale omwe adapezeka mu zitsanzo (zitsanzo) zazinthu zoyendetsedwa (mbatata) matenda owopsa okhala kwaokha - mbatata spindle tuber viroid.
Zambiri pazidziwitso za zinthu zomwe zili kwaokha zidasamutsidwa ku Territorial Administration ya Rosselkhoznadzor ku Stavropol Territory ndi Karachay-Cherkess Republic kuti achitepo kanthu poyankha.
Ma virus sapanga tinthu tokha. Ndi 359 nucleotide chunk ya RNA. Zimapezeka muzomera zomwe zakhudzidwa ndipo zimabwerezabwereza pogwiritsa ntchito njira za biosynthetic za zomera zomwe zimagwira. Zokolola za tuber, kutengera mtundu wa tizilombo toyambitsa matenda ndi mitundu ya mbatata, zimachepetsedwa ndi 30-90%.
Matendawa amawonetsedwa ndi kuponderezedwa kwakukulu kwa kukula ndi kukula kwa mbewu, kuphwanya masamba, kupindika kwa ma lobes ndi ndodo, kupindika kwa ma lobes pakatikati pakatikati, kupendekeka kwa m'mphepete mwawo, kusintha kwamtundu (kubiriwira kobiriwira kapena kwachikasu, nthawi zina mtundu wa anthocyanin). mbali yakumbuyo, m'mphepete ndi nsonga).
Ma tubers ndi aatali, ooneka ngati peyala kapena ngati dumbbell, okhala ndi kuchuluka kwa maso, nthawi zina amitundu yodabwitsa, okhala ndi mawanga ofiirira pamaso. Mphukira zimakhala zofooka, nthawi zambiri, m'malo mwa mphukira zabwinobwino, amapanga timadontho tating'ono.
The matenda amalimbikira mu matenda tubers ndi mbewu, imafalikira ndi kukhudzana pa kudula ndi kubzala tubers, pa makina mankhwala, ndi mitundu ingapo ya tizilombo, makamaka nsikidzi ndi nsabwe za m'masamba.