1.2. Kartoshka X-virusi va uning ba‟zi xususiyatlari
Kartoshkaning
X-virusi
(KXV)
[R/1:2,2/6:E/E:S/O]
kartoshka
yetishtiriladigan barcha mamlakatlarda keng tarqalgan bo‗lib, birinchi marta
Angliyada (1938) Salamon tomonidan aniqlagan, keyinchalik esa Germaniyada
(1964) kengroq o‗rganilgan [9]. Bu virus o‗simlik bargida xol-xol mozaika
(krapchatost) va oddiy mozaika kabi kasallik alomatlarini keltirib chiqaradi [10].
KXV poteksviruslar oilasiga mansub bo‗lib, virioni ipsimon ko‗rinishda
[14,28], o‗lchami 515
×
13 nm
ni tashkil etadi (2-rasm).
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