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231225s2011 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-02-11-0100
|2 doi
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|a pubmed24n0978.xml
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|a (NLM)30732064
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Mengistu, Alemu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Seasonal Progress of Charcoal Rot and Its Impact on Soybean Productivity
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|c 2011
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| 336 |
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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
|b cr
|2 rdacarrier
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| 500 |
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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 The seasonal progress of charcoal rot (caused by Macrophomina phaseolina) was measured over two growing seasons in four separate experiments: irrigated infested, irrigated non-infested, non-irrigated infested, and non-irrigated noninfested. Disease was assessed at V5, R1, R3, R5, R6, and R7 growth stages based on colony forming units (CFU) of M. phaseolina recovered from the lower stem and root tissues and the area under the disease progress curve (AUDPC). The population density of M. phaseolina increased slowly from the V5 to R6 growth stages and then rapidly from the R6 to R7 growth stages for all genotypes in all four experiments. Yield loss due to charcoal rot ranged from 6 to 33% in irrigated environments. The extent of yield loss was affected by severity of charcoal rot, which in turn was affected by year. Yield loss due to charcoal rot was consistently measured in all paired comparisons in irrigated environments, suggesting that charcoal rot can be an important disease in irrigated environments. Disease severity based on CFU accounted for more yield loss variation (42%) than did the AUDPC (36%) when used to assess disease. Growth stage R7 was found to be the optimum stage for assessing disease using CFU. In addition, screening soybean genotypes under irrigation environment may have utility in breeding programs where there is a need for evaluating soybean genotypes for both disease resistance and yield
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|a Journal Article
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|a Smith, J R
|e verfasserin
|4 aut
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| 700 |
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|a Ray, J D
|e verfasserin
|4 aut
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| 700 |
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|a Bellaloui, N
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 95(2011), 9 vom: 14. Sept., Seite 1159-1166
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
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|g volume:95
|g year:2011
|g number:9
|g day:14
|g month:09
|g pages:1159-1166
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|u http://dx.doi.org/10.1094/PDIS-02-11-0100
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