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01000naa a22002652 4500 |
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NLM293008892 |
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DE-627 |
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20231225074357.0 |
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cr uuu---uuuuu |
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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-10-17-1602-RE
|2 doi
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|a pubmed24n0976.xml
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|a (DE-627)NLM293008892
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|a (NLM)30673375
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Cong, Menglong
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Hormetic Effects of Carbendazim on the Virulence of Botrytis cinerea
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| 264 |
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|c 2018
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| 336 |
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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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| 500 |
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|a Date Completed 25.02.2019
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|a Date Revised 25.02.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The ascomycete plant-pathogenic fungus Botrytis cinerea infects more than 1,400 plant species worldwide. Stimulatory effects of sublethal doses of fungicides on plant pathogens are of close relevance to disease management. In the present study, stimulatory effects of carbendazim on the virulence of B. cinerea to cucumber plants were investigated. Spraying carbendazim on cucumber plants at 3 to 200 μg/ml had stimulatory effects on the virulence of carbendazim-resistant isolates of B. cinerea and the maximum percent stimulations were 16.7 and 13.5% for isolates HBtom451 and HBstr491, respectively. Preconditioned mycelia (i.e., mycelia grown on potato dextrose agar [PDA] amended with carbendazim at concentrations of 10, 50, or 200 μg/ml) also showed increased virulence, and the maximum percent stimulations for isolates HBtom451 and HBstr491 were 7.9 and 9.5%, respectively. Compared with mycelia grown on PDA without carbendazim, virulence stimulation magnitudes of spraying carbendazim on leaves increased moderately but the concentrations of carbendazim that elicited the maximum stimulation increased 20- and 8-fold for preconditioned isolates HBtom451 and HBstr491, respectively. The time course of infection indicated that virulence stimulation was mediated by a direct stimulation mechanism. Studies of the physiological mechanism for stimulation demonstrated that carbendazim had no significant effects on tolerance to hydrogen peroxide, or on oxalic acid production in B. cinerea. These studies will deepen our understanding of quantitative features of hormetic effects of sublethal doses of fungicides on plant pathogens
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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7 |
|a Benzimidazoles
|2 NLM
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| 650 |
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7 |
|a Carbamates
|2 NLM
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| 650 |
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7 |
|a Fungicides, Industrial
|2 NLM
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| 650 |
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7 |
|a carbendazim
|2 NLM
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| 650 |
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7 |
|a H75J14AA89
|2 NLM
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| 700 |
1 |
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|a He, Shun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Hongju
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Guoqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Fuxing
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 102(2018), 5 vom: 01. Mai, Seite 886-891
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:102
|g year:2018
|g number:5
|g day:01
|g month:05
|g pages:886-891
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4 |
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|u http://dx.doi.org/10.1094/PDIS-10-17-1602-RE
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|h 886-891
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