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|a 10.1094/PDIS.2002.86.3.326C
|2 doi
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|a eng
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|a Blount, A R
|e verfasserin
|4 aut
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|a First Report of Peanut stunt virus in Perennial Peanut in North Florida and Southern Georgia
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|c 2002
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| 336 |
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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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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|a In spring 2001, symptoms similar to aphid-vectored peanut stunt disease caused by Peanut stunt virus (PSV) were observed on perennial peanut (Arachis glabrata) cv. Floragraze in Jackson and Gulf counties, FL and Lowndes County, GA. Symptoms observed in commercial hay fields and at the North Florida Research and Education Center in Marianna and Quincy included malformed leaves, plant chlorosis, leaf mottling, and stunted plants, which resulted in reduced foliage yield. Leaf symptoms were visible throughout the growing season. Stunting was more common in spring and early summer. No symptoms were seen on rhizomes. Diagnosis of PSV (genus Cucumovirus) from symptomatic leaves and rhizome materials of 12 plants was confirmed by a direct antigen-coated enzyme-linked immunosorbent assay (DAC-ELISA). ELISA tests were repeated three times. Antibodies specific to the Clemson isolate, serotype E, were obtained from Clemson University, Clemson, SC. DAC-ELISA (1) values of 0.1 A405 above the healthy control for perennial peanut were considered positive for foliage and rhizome material tested. ELISA values ranged from 0.4 to 2.1. The mean ELISA value of the positive controls was 2.65. Symptomatic plants were also tested with ELISA using available antibodies from Agdia Inc., Elkart, IN, for Tomato spotted wilt virus, from ATCC for Peanut stripe virus, and from Clemson University (Cowpea isolate) for Cucumber mosaic virus, but all results were negative. To our knowledge, this is the first report of PSV on perennial peanut in Florida and southern Georgia. At this time, it is not known what role perennial peanut may play as a reservoir of the virus in the vicinity of peanut fields. Little is known about the potential for forage production loss and stand longevity. Next season, molecular detection techniques and epidemiological studies on peanut and perennial peanut will be conducted to ascertain the incidence and possible impact of PSV in Georgia and Florida. Reference: (1) A. G. Gillaspie, Jr. et al. Plant Dis. 79:388, 1995
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|a Journal Article
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1 |
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|a Pittman, R N
|e verfasserin
|4 aut
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|a Smith, B A
|e verfasserin
|4 aut
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|a Morgan, R N
|e verfasserin
|4 aut
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|a Dankers, W
|e verfasserin
|4 aut
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|a Sprenkel, R K
|e verfasserin
|4 aut
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| 700 |
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|a Momol, M T
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 86(2002), 3 vom: 01. März, Seite 326
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|x 0191-2917
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|g volume:86
|g year:2002
|g number:3
|g day:01
|g month:03
|g pages:326
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|u http://dx.doi.org/10.1094/PDIS.2002.86.3.326C
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