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|a 10.1094/PDIS-91-2-0204
|2 doi
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Davis, R M
|e verfasserin
|4 aut
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| 245 |
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|a Efficacy of Germination Stimulants of Sclerotia of Sclerotium cepivorum for Management of White Rot of Garlic
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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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| 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 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 The ability of soil-applied garlic powder and diallyl disulfide to stimulate germination of sclerotia of Sclerotium cepivorum, the cause of white rot of onion and garlic, was evaluated in four field trials. Because sclerotia germinate in response to exudation of specific volatile sulfides and thiols from allium roots, sulfides applied to the ground in the absence of an allium crop cause death of the sclerotia after they germinate and exhaust nutrient reserves. In this study, garlic powder and a synthetic garlic oil, diallyl disulfide, were incorporated into the soil in commercial fields naturally infested with S. cepivorum. Methyl bromide was included as a chemical control. Within 3 months after treatment, over 90% of the sclerotia died in the plots treated with the germinationstimulants, which was similar to the reduction of viable sclerotia achieved with an application of methyl bromide. The degree of sclerotial mortality in plots treated with garlic powder at 112 kg/ha or more was almost equal to that achieved by diallyl disulfide at 0.5 ml/m2 or methyl bromide at 448 kg/ha. Despite the efficacy of the stimulants and methyl bromide to reduce populations of sclerotia, the pathogen caused substantial root rot and yield losses in subsequent garlic crops planted about a year after soil treatment. However, germination stimulants have utility because the reduction of the vast majority of sclerotia in a field reduces the risk of spread of the pathogen to neighboring fields
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Hao, J J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Romberg, M K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nunez, J J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Smith, R F
|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), 2 vom: 01. Feb., Seite 204-208
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|x 0191-2917
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| 773 |
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|g volume:91
|g year:2007
|g number:2
|g day:01
|g month:02
|g pages:204-208
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-91-2-0204
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