Effect of the new pyrazole carboxamide fungicide penthiopyrad on late leaf spot and stem rot of peanut

被引:46
作者
Culbreath, Albert K. [1 ]
Brenneman, Tim B. [1 ]
Kemerait, Robert C., Jr. [1 ]
Hammes, Glenn G. [2 ]
机构
[1] Univ Georgia, Dept Plant Pathol, Coastal Plain Expt Stn, Tifton, GA 31793 USA
[2] DuPont Crop Protect, Blairsville, GA 30512 USA
关键词
carboxamide fungicides; rate response; peanut; groundnut; fungicide resistance; Cercosporidium personatum; Phaeoisariopsis personata; Mycosphaerella berkeleyi; Cercospora arachidicola; Sclerotium rolfsii; SENSITIVITY; RESISTANCE;
D O I
10.1002/ps.1646
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
BACKGROUND: Management of early leaf spot (Cercospora arachidicola Hori.), late leaf spot [Cercosporidium personatum (Berk. & MA Curtis) Deighton] and stem rot (Sclerotium rolfsii Sacc.) of peanut (Arachis hypogaea L.) in the southeastern USA is heavily dependent upon sterol biosynthesis inhibitor (SBI) and quinone outside inhibitor (Qol) fungicides. Effective new fungicides with different modes of action could improve overall disease control and extend the utility of the current fungicides. Penthiopryad is a pyrazole carboxamide fungicide being evaluated for use on peanut. Field experiments were conducted from 2004 to 2007 to determine the effect of a range of rates (0-0.36 kg Al ha(-1)) of penthiopyrad on leaf spot and stem rot and the relative efficacy of penthiopyrad and current fungicide standards chlorothalonil, tebuconazole and azoxystrobin. RESULTS: Leaf spot control in plots treated with penthiopyrad at 0.20 kg Al ha(-1) or higher was similar to or better than that for the chlorothalonil standard. The incidence of stem rot for all penthiopyrad treatments was usually less than that for the tebuconazole or azoxystrobin standard treatments. Pod yields for all penthiopyrad treatments were similar to or higher than those for the respective standards. CONCLUSION: Penthiopyrad has excellent potential for management of late leaf spot and stem rot of peanut, and may complement current SBI and Qol fungicides. (C) 2008 Society of Chemical Industry
引用
收藏
页码:66 / 73
页数:8
相关论文
共 19 条
[1]  
Amand O., 2003, Communications in Agricultural and Applied Biological Sciences, V68, P519
[2]   Resistance to boscalid fungicide in Alternaria alternata isolates from pistachio in California [J].
Avenot, Herve F. ;
Michailides, Themis J. .
PLANT DISEASE, 2007, 91 (10) :1345-1350
[3]   Sensitivity of Mycosphaerella fijiensis from banana to trifloxystrobin [J].
Chin, KM ;
Wirz, M ;
Laird, D .
PLANT DISEASE, 2001, 85 (12) :1264-1270
[4]  
CHITEKA Z A, 1988, Peanut Science, V15, P25, DOI 10.3146/i0095-3679-15-1-8
[5]  
CSINOS A S, 1987, Peanut Science, V14, P55, DOI 10.3146/i0095-3679-14-2-1
[6]   RESPONSE OF FLORUNNER AND SOUTHERN RUNNER PEANUT CULTIVARS TO CHEMICAL MANAGEMENT OF LATE LEAF-SPOT, SOUTHERN STEM ROT, AND NEMATODES [J].
CULBREATH, AK ;
MINTON, NA ;
BRENNEMAN, TB ;
MULLINIX, BG .
PLANT DISEASE, 1992, 76 (12) :1199-1203
[7]  
Culbreath AK., 2005, P AM PEANUT RES ED S, V37, P54
[8]  
KEMERAIT RC, 2007, SPECIAL B U GEORGIA, V28
[9]  
KUHN PJ, 1984, S SER BR MYCOL SOC, V9, P155
[10]   Biological and molecular characterization of laboratory mutants of Cercospora beticola resistant to Qo inhibitors [J].
Malandrakis, Anastasios A. ;
Markoglou, Anastasios N. ;
Nikou, Dimitra C. ;
Vontas, John G. ;
Ziogas, Basil N. .
EUROPEAN JOURNAL OF PLANT PATHOLOGY, 2006, 116 (02) :155-166