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231225s1998 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS.1998.82.2.203
|2 doi
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|a pubmed25n0982.xml
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|a (NLM)30856800
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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 Quitugua, R J
|e verfasserin
|4 aut
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| 245 |
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|a Survival of Phytophthora colocasiae in Field Soil at Various Temperatures and Water Matric Potentials
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| 264 |
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|c 1998
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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 Revised 20.11.2019
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| 500 |
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a A large number of the zoosporangia of Phytophthora colocasiae incorporated into moist soils germinated by zoospore discharge, and/or lysed in the soil during the first 5 days of incubation, decreasing the initial number of colony-forming units from 1 × 104 to 1 × 102 per g of soil in all treatments. Eighteen days after incorporation, the viable zoosporangia present in moist soils had thickened their cell walls and germinated only directly, often producing smaller zoosporangia. A few thick-walled chlamydospores were observed, and they germinated only directly. Zoosporangia in soils at -1,500 J/kg matric potential survived longer than 107 days, and the amount of viable Zoosporangia present at that time was approximately 0.1 × 102 CFU/g of soil. Apparently the great majority of the thin-walled zoosporangia produced on V8 agar, when incorporated into moist soil, germinated indirectly in the first 5 days of incubation. Zoosporangia that did not germinate became resting zoosporangia by increasing their wall thickness or by producing chlamydospores. These enabled the pathogen to survive in soil at -1,500 J/kg matric potential for more than 3 months. However, in the absence of the host, the pathogen is predicted to survive less than 1 year due to its lack of saprophytic ability to colonize nonhost tissues
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a bait
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| 650 |
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|a resting mycelia
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| 650 |
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|a sieving-selective medium technique
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| 650 |
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4 |
|a survival propagule
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| 700 |
1 |
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|a Trujillo, E E
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 82(1998), 2 vom: 28. Feb., Seite 203-207
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
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|g volume:82
|g year:1998
|g number:2
|g day:28
|g month:02
|g pages:203-207
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS.1998.82.2.203
|3 Volltext
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|d 82
|j 1998
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|h 203-207
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