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NLM29701224X |
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cr uuu---uuuuu |
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231225s2019 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1094/PDIS-09-18-1623-RE
|2 doi
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| 028 |
5 |
2 |
|a pubmed25n0989.xml
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|a (NLM)31082321
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|a DE-627
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Muñoz, M
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Characterization of Botrytis cinerea From Commercial Cut Flower Roses
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| 264 |
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1 |
|c 2019
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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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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 05.08.2019
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|a Date Revised 05.08.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Botrytis cinerea Pers. infects cut flower roses (Rosa × hybrida L.) during greenhouse production and gray mold symptoms are often expressed in the postharvest environment, resulting in significant economic losses. Disease management is based on cultural practices and preventative chemical treatments; however, gray mold outbreaks continue to occur. Rose tissues from six commercial shipments from two greenhouses in Colombia were evaluated to determine the Botrytis species composition as well as identify other pathogens present, gray mold incidence and severity, and fungicide resistance profiles. Botrytis isolates (49 total) were grouped into six morphological phenotypes, and all were identified to be B. cinerea sensu stricto. Disease incidence was higher in the petals than in the stem, stamen, ovary, sepal, or leaf tissues. Other fungi were isolated infrequently and included Alternaria alternata, Cladosporium cladosporioides, Epicoccum nigrum, Penicillium citrinum, Aspergillus brasiliensis, and Diplodia sp. Fungicide resistance profiles were determined using previously established discriminatory doses. Isolates resistant to thiophanate-methyl, iprodione, boscalid, and cyprodinil were found frequently in all shipments and in both greenhouses. The frequency of resistance to penthiopyrad, fenhexamid, fluopyram, isofetamid, and fludioxonil varied between shipments and greenhouses. No resistance to pydiflumetofen was observed at the discriminatory doses tested. Isolates with resistance to multiple chemical classes were commonly found. These results indicate that fungicide resistance management practices may improve preharvest and postharvest gray mold control of cut flower roses
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| 650 |
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4 |
|a Journal Article
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| 650 |
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7 |
|a Antifungal Agents
|2 NLM
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| 700 |
1 |
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|a Faust, J E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schnabel, G
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 103(2019), 7 vom: 09. Juli, Seite 1577-1583
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:103
|g year:2019
|g number:7
|g day:09
|g month:07
|g pages:1577-1583
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.1094/PDIS-09-18-1623-RE
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