水稻类普矮病的研究Ⅰ.类普矮病——水稻上的一种新的病毒病

 水稻类普矮病在闽西、闽北和闽南均有发生,其为害性不可忽视。病害症状因品种不同而表现为两种基本类型——普矮型和草丛型。将类普矮病和普矮病接种在同一稻苗上.可先后产生各自的症状。
病害仅能通过黑尾叶蝉和二点黑尾叶蝉传播。电光叶蝉、白翅叶蝉、褐飞虱和缢管蚜均不传病。

STUDIES ON THE DWARF-LIKE DISEASE OF RICE PLANTS

A new virus disease of rice occurred in Fukien province recently. Two types of symptoms were noted. The grassy type was rather similar in some aspects to the grassy stunt disease of rice but the diseased leaves were soft and without rusty spots, while the dwarf type was similar some what to the dwarf diease but without chlorotic specks and streaks. The disease was transmitted by Nephotettix cincticeps and N. impicticeps. It was not transmitted by Recilia dorsalis, Erythroneura subrufa, Nilaparva lugens and Rhopalosiphum padi. No other means of transmission was successful. The virus were of spherical particles and of no serological relation to RDV. The virus was persistent in the insect vectors but not transovarial. This virus did not infect Echinochloa crusgalli which was highly susceptible to RDV.This new disease was named Dwarf-like disease of rice.