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231225s1997 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS.1997.81.7.787
|2 doi
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|a eng
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| 100 |
1 |
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|a Reichard, S L
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effects of Herbicides on Sclerotinia Crown and Stem Rot of Alfalfa
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| 264 |
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|c 1997
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|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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| 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 This study was conducted to determine whether herbicides and adjuvants registered for poste-mergence use in alfalfa have an effect on Sclerotinia crown and stem rot (SCSR). In a controlled environment, disease severity index (DSI) of alfalfa seedlings was reduced by pronamide and 2,4-DB compared with the untreated control, whereas bromoxynil and 13% sethoxydim + petroleum-based adjuvant (PBA) increased DSI. In the field, disease severity in all herbicide treatments was similar to that in untreated alfalfa. In a second controlled-environment study, pronamide and 2,4-DB reduced DSI compared with the no herbicide control when seedlings were inoculated 1 day after herbicide application, but this protective effect was not observed when seedlings were inoculated 8 days or longer after herbicide application. The results demonstrate that several herbicides are capable of suppressing or enhancing SCSR severity in a controlled environment if seedling inoculation occurs soon after herbicide application; however, the residual effect of these herbicides on SCSR appeared to be much shorter than the 4- to 6-week infection period occurring in the field
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Sulc, R M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rhodes, L H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Loux, M M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 81(1997), 7 vom: 30. Juli, Seite 787-790
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|g pages:787-790
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|u http://dx.doi.org/10.1094/PDIS.1997.81.7.787
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