福建省烟草病毒病种类的检测与防治

为了查清福建省烟草病毒病种类情况和筛选防效较好的药剂,于2001～2002年用4%"博联生物菌素"400倍液、3%"Messenger"1%～2%溶液、22%"金叶宝"400倍液、3.95%"病毒必克"500倍液、5%"反病毒"500倍液(喷清水为对照)进行了药剂小区防治试验,用4%"博联生物菌素"400倍液进行了小面积防治示范,采用ELISA法检测了109个烟草样品,并对该省3个主要烟区烟草病毒病的发生情况进行了普查.结果表明①检出感染TMV的样品104个,检出率95.4%;CMV样品35个,检出率32.1%PVY样品9个,检出率8.3%;TEV样品6个,检出率5.5%;从侵染方式看,TMV单独侵染样品73个,占67.0%,CMV单独侵染2个,占1.8%,复合侵染34个,占31.2%;②品种感病性的表现为K326＞云烟85＞翠碧1号;③"博联生物菌素"、"病毒必克"、"金叶宝"、"Messenger"、"反病毒"小区试验防效分别为57.7%～73.0%,41.1%～60.2%、36.6%～44.4%、22.7%～54.2%、33.1%～38.4%;"博联生物菌素"小面积示范防效为67.5%～96.3%.

Strains Detection and Control of Tobacco Virus Diseases in Fujian Province

In order to investigate the strains of tobacco virus diseases and select more effective chemicals, studies were conducted in Fujian Province from 2001 to 2002. The control tests in plots were carried out using 4% Cytosintetidemycin at a dilution of 400, 3% Messenger at a dilution of 1%-2%, 22% Jinyebao at a dilution of 400, 3 95% Ribaririn at a dilution of 500, 5% Fanbingdu at a dilution of 500 and water (CK), and a control demonstration in small areas was also conducted using 4% Cytosintetidemycin at a dilution of 400. 109 leaf samples were detected with ELISA (Enzyme Linked Immunosorbant Assays) method. The results showed that 104 samples were infected by TMV, and detection rate was 95.4%; 35 samples were infected by CMV, and detection rate was 32 1%; 9 samples were infected by PVY, and detection rate was 8.3%; 6 samples were infected by TEV, and detection rate was 5.5%. Of all samples, 73 samples were singly infected by TMV, accounting for 67.0%; 2 samples were singly infected by CMV, accounting for 1.8%; 34 samples were complexly infected, accounting for 31 2%. The investigation indicated that cultivars in order of resistance was K 326 < Yunyan 85 < Cuibi 1. In the plot tests, the control effects of Cytosintetidemycin, Ribaririn, Jinyebao, Messenger, and Fanbingdu were 57 7%-73 0%, 41.1%-60.2%, 36.6%-44.4%, 22.7%-54.2% and 33.1-38.4%, respectively. In the demonstration of small areas, the control effect of Cytosintetidemycin was 67.5%-96.3%.