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231225s2007 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-91-10-1221
|2 doi
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|a pubmed24n0980.xml
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|a (DE-627)NLM294057641
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|a (NLM)30780515
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Nishijima, K A
|e verfasserin
|4 aut
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|a Demonstrating Pathogenicity of Enterobacter cloacae on Macadamia and Identifying Associated Volatiles of Gray Kernel of Macadamia in Hawaii
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|c 2007
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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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|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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| 520 |
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|a Gray kernel is an important disease of macadamia (Macadamia integrifolia) that affects the quality of kernels, causing gray discoloration and a permeating, foul odor. Gray kernel symptoms were produced in raw, in-shell kernels of three cultivars of macadamia that were inoculated with strains of Enterobacter cloacae. Koch's postulates were fulfilled for three strains, demonstrating that E. cloacae is a causal agent of gray kernel. An inoculation protocol was developed to consistently reproduce gray kernel symptoms. Among the E. cloacae strains studied, macadamia strain LK 0802-3 and ginger strain B193-3 produced the highest incidences of disease (65 and 40%, respectively). The other macadamia strain, KN 04-2, produced gray kernel in 21.7% of inoculated nuts. Control treatments had 1.7% gray kernel symptoms. Some abiotic and biotic factors that affected incidence of gray kernel in inoculated kernels were identified. Volatiles of gray and nongray kernel samples also were analyzed. Ethanol and acetic acid were present in nongray and gray kernel samples, whereas volatiles from gray kernel samples included the additional compounds, 3-hydroxy-2-butanone (acetoin), 2,3-butanediol, phenol, and 2-methoxyphenol (guaiacol). This is believed to be the first report of the identification of volatile compounds associated with gray kernel
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a anaerobic storage
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| 650 |
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4 |
|a bacterial fermentation
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| 650 |
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4 |
|a food safety
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| 650 |
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4 |
|a spoilage
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| 650 |
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4 |
|a water activity
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| 700 |
1 |
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|a Wall, M M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Siderhurst, M S
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 91(2007), 10 vom: 01. Okt., Seite 1221-1228
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:91
|g year:2007
|g number:10
|g day:01
|g month:10
|g pages:1221-1228
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-91-10-1221
|3 Volltext
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|d 91
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