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231225s2001 xx |||||o 00| ||eng c |
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|a 10.1046/j.1469-8137.2001.00052.x
|2 doi
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Stanosz, G R
|e verfasserin
|4 aut
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|a Water stress and Sphaeropsissapinea as a latent pathogen of red pine seedlings
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|c 2001
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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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|a Date Revised 20.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a • The role of water stress in the initiation of collar rot by Sphaeropsis sapinea in asymptomatically colonized Pinus resinosa seedlings is reported. • Mortality and frequency of identification of the pathogen was quantified for seedlings subjected to different water regimes or watering regime-fungicide (benomyl) combinations in glasshouse experiments. • In experiment 1, seedling mortality ranged from 8% of repeatedly watered seedlings to 50% of those in the driest regime; data analysis indicated a high probability that mortality was not independent of watering regime. Seedlings developed symptoms resembling those of Sphaeropsis collar rot, and S. sapinea was identified from living (42%) and dead (92%) seedlings. In experiment 2, mortality of repeatedly watered seedlings was low, irrespective of fungicide application. For nonwatered seedlings, however, mortality was greater among seedlings not treated with fungicide (61%) than among benomyl-treated seedlings (37%); data analysis indicated a high probability that mortality was not independent of fungicide treatment. • Sphaeropsis sapinea can act as a latent pathogen; physiological alteration, through water stress, can effect release from the quiescent condition to result in rapid disease development
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|a Journal Article
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|a Pinus resinosa (red pine)
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|a Sphaeropsis sapinea
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|a canker
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|a collar rot
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|a endophyte
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|a latent patnogen
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|a shoot blight
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|a water stress
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|a Blodgett, J T
|e verfasserin
|4 aut
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|a Smith, D R
|e verfasserin
|4 aut
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|a Kruger, E L
|e verfasserin
|4 aut
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|i Enthalten in
|t The New phytologist
|d 1979
|g 149(2001), 3 vom: 20. März, Seite 531-538
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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|g volume:149
|g year:2001
|g number:3
|g day:20
|g month:03
|g pages:531-538
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|u http://dx.doi.org/10.1046/j.1469-8137.2001.00052.x
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