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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-01-22-0148-RE
|2 doi
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|a pubmed24n1135.xml
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|a (NLM)35536201
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lana, Felipe Dalla
|e verfasserin
|4 aut
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| 245 |
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|a Impact of Gibberella Ear Rot on Grain Quality and Yield Components in Maize as Influenced by Hybrid Reaction
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 19.12.2022
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|a Date Revised 22.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The impact of Gibberella ear rot (GER; caused by Fusarium graminearum) on deoxynivalenol (DON) contamination of grain and yield components in maize were investigated using data from 30 environments in Ohio (3 years by 10 locations). Fifteen hybrids, later classified as susceptible (SU), moderately susceptible (MS), or moderately resistant (MR), based on the magnitude of differences in mean arcsine square-root-transformed GER severity (arcSEV) and log-transformed DON (logDON) relative to a reference SU check, were planted in each environment, and 10 ears per hybrid were inoculated with a spore suspension of F. graminearum. Relationships between GER severity and DON were well described by a Kono-Sugino-type nonlinear equation. Estimated parameters representing height (A) and steepness (β) of the curves were significantly higher for SU than MS and MR hybrids but A was not significantly different between MS and MR. Results from a surrogacy analysis showed that GER was a moderate trial- and individual-level surrogate for DON. Both grain weight per ear and ear diameter decreased with increasing arcSEV but the regression slopes varied among resistance classes. The rates of reduction in both yield components per unit increase in arcSEV were significantly greater for SU than for MS and MR. An estimated 50% reduction in grain weight occurred at 62% GER severity for SU, compared with 77% severity for MS and 83% for MR. These results show that GER severity can be used as a surrogate for early estimation of DON contamination and yield loss to help guide grain handling and marketing decisions
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|a Journal Article
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|a Gibberella zeae
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| 650 |
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4 |
|a corn
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| 650 |
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4 |
|a mixed model regression
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| 650 |
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4 |
|a non-linear mixed model
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| 650 |
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4 |
|a red ear rot
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| 650 |
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4 |
|a trichothecene mycotoxin
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| 700 |
1 |
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|a Madden, Laurence V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Carvalho, Camila P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Paul, Pierce A
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 106(2022), 12 vom: 04. Dez., Seite 3061-3075
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
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|g volume:106
|g year:2022
|g number:12
|g day:04
|g month:12
|g pages:3061-3075
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|u http://dx.doi.org/10.1094/PDIS-01-22-0148-RE
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