Txhawm rau kom paub meej txog thaj tsam ntawm yav dhau los txheeb xyuas foci ntawm qos yaj ywm mob qog noj ntshav hauv cov phiaj xwm tus kheej ntawm Zhiryatinsky koog tsev kawm ntawv, cov kws tshuaj xyuas kev noj qab haus huv ntawm Rosselkhoznadzor Chaw Haujlwm rau Bryansk, Smolensk thiab Kaluga cheeb tsam tau ua kev soj ntsuam ntawm thaj chaw no.
Kev kuaj xyuas ntawm cov qauv xaiv, ua raws li Bryansk Interregional Veterinary Laboratory, subordinate rau Rosselkhoznadzor, tau lees paub tias muaj zoosporangia ntawm qos yaj ywm cancer (Synchytrium endobioticum (Schilb.) Percival) hauv cov qauv av. Yog li, yav tas los tsim quarantine zone phytosanitary. hauv lub zos. Sparrow, s. Kulnevo thiab lub zos Kolodnya ntawm thaj tsam ntawm 2,65 hectares yog khaws cia.
Cia peb nco ntsoov tias qos yaj ywm canker yog kab mob cais tawm los ntawm cov kab mob qis dua Synchytrium endobioticum. Vim nws muaj kev phom sij, nws tau suav nrog hauv cov npe ntawm cov kab mob cais tawm hauv ntau dua 50 lub tebchaws hauv Europe, Asia, Africa, North thiab South America, Australia thiab Oceania. Nws kuj tau sau npe nyob rau hauv European ib feem ntawm Lavxias teb sab Federation.
Ib qho cim qhia ntawm qos yaj ywm cancer yog tsim ntawm kev loj hlob ntawm tubers, stolons thiab cag dab tshos. Nrog rau kev loj hlob ntawm tus kab mob hnyav, kev loj hlob tuaj yeem tsim rau ntawm qia, nplooj thiab paj. Tuber ob lub qhov muag thiab cov tub ntxhais hluas tua feem ntau cuam tshuam. Cov hauv paus hniav tsis cuam tshuam. Nyob rau hauv tsos, cov kev loj hlob zoo li cauliflower. Cov tubers cuam tshuam tsis muaj peev xwm khaws cia ntev thiab rot sai. Lawv tsis pom zoo kom siv txawm rau cov tsiaj nyeg noj.