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cr uuu---uuuuu |
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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-09-19-1964-RE
|2 doi
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|a pubmed25n1036.xml
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|a (DE-627)NLM310951208
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|a (NLM)32515690
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Gaige, A Reyes
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Interspecific Competition for Colonization of Maize Plants Between Fusarium proliferatum and Fusarium verticillioides
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| 264 |
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1 |
|c 2020
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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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 Completed 30.07.2020
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|a Date Revised 30.07.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Fusarium proliferatum and F. verticillioides are mycotoxin-producing, seedborne pathogens of maize. They are often asymptomatic in seed, eluding symptom-based detection. Experiments were conducted in nonsterile soil to determine whether interspecific competition influenced establishment in maize plants of an introduced isolate of F. proliferatum or F. verticillioides. Hygromycin-resistant, green fluorescent protein (GFP) transformed (GFP-tagged) F. proliferatum (F. proliferatum-green) and hygromycin-resistant, monomeric red fluorescent protein (mRFP) transformed (mRFP-tagged) F. verticillioides (F. verticillioides-red) strains were developed to provide molecular markers to track fungal establishment. Heat-killed Fusarium-free maize seed, colonized with F. proliferatum-green or F. verticillioides-red by immersion in a spore suspension for 16 h, served as the source of inoculum. The ability of F. proliferatum-green and F. verticillioides-red to colonize viable maize plants already colonized by the other species was determined. Maize plants were retrieved from soil after 14 days and DNA was extracted from three consecutive root segments and three consecutive stem segments. A TaqMan multiplex real-time quantitative PCR protocol was developed to identify and quantify F. proliferatum-green and F. verticillioides-red from each plant segment from each treatment; the experiment was repeated three times. This experiment confirmed that F. proliferatum-green and F. verticillioides-red effectively colonized roots and stems of the maize plant already colonized with the other species. Prior colonization of maize tissues by F. verticillioides-red (P = 0.6749) and other seedborne microorganisms (P = 0.1910) reduced but did not prevent subsequent colonization by F. proliferatum-green. Similarly, prior colonization of maize tissues by F. proliferatum-green (P = 0.7032) and other seedborne microorganisms (P = 0.1447) reduced but did not prevent subsequent colonization by F. verticillioides-red
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| 650 |
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4 |
|a Journal Article
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4 |
|a Fusarium
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| 650 |
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4 |
|a interspecific competition
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| 650 |
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4 |
|a invasion
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| 650 |
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4 |
|a maize
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| 650 |
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4 |
|a real time qPCR
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| 650 |
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|a Mycotoxins
|2 NLM
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| 700 |
1 |
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|a Todd, T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stack, J P
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 104(2020), 8 vom: 17. Aug., Seite 2102-2110
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
8 |
|g volume:104
|g year:2020
|g number:8
|g day:17
|g month:08
|g pages:2102-2110
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-09-19-1964-RE
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