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231225s2004 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS.2004.88.10.1123
|2 doi
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|a pubmed24n0980.xml
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|a (NLM)30795254
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Halley, S
|e verfasserin
|4 aut
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| 245 |
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|a Distribution and Severity of Pasmo on Flax in North Dakota and Evaluation of Fungicides and Cultivars for Management
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|c 2004
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Pasmo, caused by Septoria linicola, reduces flax (Linum usitatissimum) yield in the Canadian provinces of Manitoba and Saskatchewan, but little is known about its distribution and effect on yield in North Dakota. Field surveys for pasmo were conducted in 74 and 87 flax fields across 19 and 23 North Dakota counties in 2002 and 2003, respectively. The surveys indicated that pasmo was present in 17 and 18 counties in 2002 and 2003, respectively. County mean plant incidences ranged from 0 to 21% and 0 to 84.5% in 2002 and 2003, respectively. County mean pasmo severity ranged from 0 to 38.8% and 0 to 29.3% in 2002 and 2003, respectively. Significant (P ≤ 0.07) positive Pearson correlations were detected between total rainfall accumulated for June to August and pasmo severity in 2002 and 2003 and for rainfall and pasmo incidence in 2003. Field trials were conducted to determine the effect of fungicides and flax cultivars on pasmo severity and flax yield. Pasmo severity was significantly (P ≤ 0.05) reduced with azoxystrobin and sulfur fungicides compared with the untreated control. Flax yields were significantly (P ≤ 0.05) greater in azoxystrobin- and prothioconazole-treated plots than in the untreated control plots. Cv. Omega had significantly lower pasmo severity than the other three cultivars, but cv. Rahab 94 had the greatest yield of all the cultivars. Based on the results presented, pasmo is an important disease of flax in North Dakota, and its distribution is widespread throughout the flax-production region. Fungicides such as azoxystrobin and prothioconazole appear to be excellent potential tools for pasmo management
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|a Journal Article
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|a JAU 6476
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|a Microthiol Disperss
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|a Quadris
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|a Ronilan
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| 700 |
1 |
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|a Bradley, C A
|e verfasserin
|4 aut
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|a Lukach, J R
|e verfasserin
|4 aut
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|a McMullen, M
|e verfasserin
|4 aut
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| 700 |
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|a Knodel, J J
|e verfasserin
|4 aut
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| 700 |
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|a Endres, G J
|e verfasserin
|4 aut
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| 700 |
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|a Gregoire, T
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 88(2004), 10 vom: 01. Okt., Seite 1123-1126
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|x 0191-2917
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|g volume:88
|g year:2004
|g number:10
|g day:01
|g month:10
|g pages:1123-1126
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