TRANSMISSION OF RAYADO FINO VIRUS OF MAIZE (ZEA-MAYS) BY DALBULUS-MAIDIS
TRANSMISSION OF RAYADO FINO VIRUS OF MAIZE (ZEA-MAYS) BY DALBULUS-MAIDIS
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DOI：
10.1111/j.1744-7348.1973.tb00935.x
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发表时间：
1973-01-01
影响因子：
2.6
通讯作者：
GAMEZ, R
中科院分区：
文献类型：
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作者：
GAMEZ, R
玉米（Zea mays）的Rayado fino病毒（RFV）是由叶蝉Dalbulus major传播的，其传播方式具有病毒在昆虫载体中繁殖的特征。以受感染的植物为食的昆虫在8-22天的潜伏期后传播病毒;雄性的潜伏期比雌性短，但死亡更快。昆虫保持感染性1-20天。大多数昆虫的传播是间歇性的。接种力由D. Maidis随着时间的推移而减少，但病毒是从失去传播能力的昆虫中恢复的。将感染RFV的植物和含病毒昆虫的提取物注射到健康昆虫中，这些昆虫变得含病毒。盐酸四环素（无色霉素）对提取物的生物活性无影响。玉米矮缩病能同时传播RFV和玉米矮化剂。除玉米外，在许多测试的禾本科物种中，大刍草（Euchlaena mexicana）是唯一对病毒敏感的植物。
Rayado fino virus (RFV) of maize(Zea mays)was transmitted by the leaf‐hopperDalbulus maidisin a manner characteristic of viruses that multiply in their insect vectors. Individual insects fed on infected plants transmitted the virus after incubation periods of 8–22 days; males had shorter incubation periods than females but died sooner. Insects retained infectivity for 1–20 days. Transmission by most insects was intermittent. Inoculativity byD. maidisdecreased with time, but the virus was recovered from insects that had lost their ability to transmit. Extracts of plants infected with RFV and viruliferous insects were injected into healthy insects, which became viruli‐ferous. Infectivity of the extracts was not affected by tetracycline hydrochloride (Achromycin).D. maidiswas able to transmit simultaneously RFV and the corn stunt agent. Other than maize, Teosinte(Euchlaena mexicana)was the only plant susceptible to the virus, among a number of species of Gramineae tested.