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马铃薯纺锤块茎类病毒病又叫尖头病纺锤块茎。这种病毒在50年代国外就已研究,到1967年由美国学者才弄清楚了它的实质。它不同于普遍病毒,其病原结构没有蛋白质外壳,只有1个很小的核酸在细胞核内与染色质以结合状态存在,分子量也小于病毒。
Potato spindle tuberous virus disease also known as pointed head spindle tubers. The virus was studied abroad in the 1950s, and by 1967 it was discovered by American scholars. It is different from the common virus, its pathogenic structure without protein shell, only a small nucleic acid in the nucleus with chromatin in the binding state, the molecular weight is also smaller than the virus.