嘧菌酯与吡唑醚菌酯对烟草白粉病菌的抑制作用及在烤烟漂浮育苗阶段的防治效果

被引：13

作者：

汪汉成 ^{[1
]}

李文红 ^{[2
]}

夏海乾 ^{[1
]}

王茂胜 ^{[1
]}

孟琳 ^{[1
]}

石俊雄 ^{[1
]}

商胜华 ^{[1
]}

王晶君 ^{[1
]}

机构：

[1] 贵州省烟草科学研究所

[2] 贵州省植物保护研究所

来源：

农药学学报 | 2012年 / 04期

关键词：

嘧菌酯; 吡唑醚菌酯; 烟草; 白粉病菌; 毒力; 持效期;

D O I：

暂无

中图分类号：

S435.72 [烟草病虫害];

学科分类号：

090401 ; 090402 ;

摘要：

采用小苗法测定了嘧菌酯和吡唑醚菌酯对烟草白粉病菌Erysiphe cichoracearum的毒力,以及对苗期烟草白粉病的预防和治疗作用及持效期。结果表明:嘧菌酯和吡唑醚菌酯对烟草白粉病菌抑制作用的EC50值分别为7.62和9.90μg/mL,对该病害的预防和治疗作用的EC50值分别为8.76、12.34μg/mL和17.32、23.40μg/mL;2种药剂对烟草白粉病菌均具有较长的持效期,在有效成分56.25 g/hm2剂量下、2次喷雾处理烟苗,30 d后的防效仍分别达到94.45%和88.53%;2种药剂对新生烟叶均具有良好的保护作用,且在实验剂量范围内对烟苗安全。

引用

页码：412 / 416

页数：5

共 22 条

[1]

Crop protection[P]. BROWN JOHN S.中国专利:US3327505A,1967-06-27

[2]

Fungicide resistance in cucurbit powderymildew:experiences and challenges. MCGRATH M T. Plant Disease . 2011

[3]

Resistance to powdery mildew in wheat: a review of its use in agriculture and breeding programmes. Bennett F G A. Plant Pathology . 1984

[4]

QoI resistance of Plasmopara viticola and Erysiphe necator in the Mid-AtlanticUnited States. Baudoin A,Olaya G,Delmotte F,Colcol J,Sierotzki H. Plant Health Progress . 2008

[5]

Identificationof a QTL decreasing yield in barley linked to Mlopowdery mildew resistance. Thomas W T B,Baird E,Fuller J,et al. Molecular Breeding . 1998

[6]

Biological Mode of Action of Dimethomorph on Pseudoperonospora cubensis and Its Systemic Activity in Cucumber[J]. WANG Han-cheng, ZHOU Ming-guo, WANG Jian-xin, CHEN Chang-jun, LI Hong-xia and SUN Hai-yan College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, P.R.China. Agricultural Sciences in China. 2009(02)

[7]

Resistance to Powdery Mildew （ Erysiphe cichoracearum DC.） in Oriental and Semi-Oriental Tobacco Germplasm under Field Conditions[J] . R. Darvishzadeh,R. Alavi,A. Sarrafi. &nbspJournal of Crop Improvement . 2010 (2)

[8]

Changes in the Resistance of Tobacco Leaf to Erysiphe cichoracearum DC. Induced by Topping, Cytokinins and Antibiotics. J.S. Cole,L. Desiree,D.L. Fernandes. Annals of Applied Biology . 1970

[9]

Occurrence and molecular characterization of strobilurin resistance in cucumber powdery mildew and downy mildew. Ishii H, Fraaije BA, Sugiyama T, et al. Phytopathology . 2001

[10]

Resistance topowdery mildew （Erysiphe cichoracearum DC.）in oriental andsemi-oriental tobacco germplasm under field conditions. DARVISHZADEH R,ALAVI R,SARRAFI A. JCrop Improv . 2010

← 1 2 3 →