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231225s1997 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS.1997.81.1.77
|2 doi
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|a pubmed24n0983.xml
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|a (DE-627)NLM294940383
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|a (NLM)30870952
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a King, W T
|e verfasserin
|4 aut
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| 245 |
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|a Effects of Temperature on Sporulation and Latent Period of Colletotrichum Spp. Infecting Strawberry Fruit
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|c 1997
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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 Effects of temperature on sporulation of Colletotrichum acutatum, C. gloeosporioides, and C. fragariae, causes of anthracnose of strawberry, were determined in controlled-environment studies. Detached immature fruit were inoculated with a conidial suspension and incubated up to 36 days at constant temperatures of 5, 10, 15, 20, 25, 30, and 35°C. Latent period (time to first sporulation) depended on temperature and ranged from 2 to 3 days at 25°C to 6 to 17 days at 5°C. C. acutatum had a shorter latent period than the other species at 5 and 10°C; at higher temperatures, latent periods of the species were very similar. During the first 4 days of sporulation, there was an optimum-type relationship between the logarithm of conidia per fruit [log(Y)] and temperature, with maximum observed sporulation (generally 106 to 107 conidia per fruit) from 15 to 30°C. Sporulation increased over time at temperatures of 15°C and above. The greatest difference among the species was at 5 and 10°C, where tested C. acutatum isolates produced from 10 to 100 more conidia per fruit than the other species. Polynomial regression equations were used successfully to represent log(Y) as a function of temperature and incubation time. The rate of increase in sporulation over time was a function of temperature, with a predicted optimum of 22 to 26°C. Equations were validated by predicting sporulation of the three species infecting fruit attached to plants growing in controlled-environment chambers. Although the predictions tended to be slightly larger than observed, mean error [100(observed - predicted)/ observed] was only -0.7% (95% confidence interval: -2.4 to 1.0%)
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| 650 |
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4 |
|a Journal Article
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| 700 |
1 |
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|a Madden, L V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ellis, M A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wilson, L L
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 81(1997), 1 vom: 30. Jan., Seite 77-84
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:81
|g year:1997
|g number:1
|g day:30
|g month:01
|g pages:77-84
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS.1997.81.1.77
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