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231225s2007 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-91-9-1170
|2 doi
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|a eng
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|a Settle, D M
|e verfasserin
|4 aut
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| 245 |
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|a Quantifying the Effects of Lance Nematode Parasitism in Creeping Bentgrass
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|c 2007
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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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 We compared photosynthesis and multispectral radiometry (MSR) measurements with visual quality ratings for assessment of feeding injury to creeping bentgrass caused by the lance nematode (Hoplolaimus galeatus) using artificially infested microplots and a naturally infested putting green. Nematode feeding resulted in negative visual and MSR effects on creeping bentgrass in microplots. Visual quality ratings were correlated more consistently with nematode densities than either individual MSR variables or factor models of MSR variables. Threshold estimates for H. galeatus population densities associated with unacceptable bentgrass quality in microplots varied widely by month and year. Similarly, the relationship between H. galeatus population density and turf health indicators (including MSR measurements, visual ratings, and net photosynthetic rate) varied with cultivar and management practice (irrigation frequency and mowing height) in the naturally infested putting green. Notably, negative effects of nematode feeding were not consistently associated with more stressful management practices, suggesting that stress avoidance is not a reliable deterrent to H. galeatus damage in creeping bentgrass. Damage thresholds for this nematode-host association are dynamic and should be used with caution
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| 650 |
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|a Journal Article
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| 650 |
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|a reflectance
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| 650 |
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4 |
|a turfgrass
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| 700 |
1 |
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|a Fry, J D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Milliken, G A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tisserat, N A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Todd, T C
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 91(2007), 9 vom: 01. Sept., Seite 1170-1179
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
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|g volume:91
|g year:2007
|g number:9
|g day:01
|g month:09
|g pages:1170-1179
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-91-9-1170
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