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|a 10.1094/PD-90-1110C
|2 doi
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|a eng
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|a Eisenback, J D
|e verfasserin
|4 aut
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|a First Report of Bentgrass Seed Gall Nematode, Anguina agrostis, in Virginia and Minnesota
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|c 2006
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|a Text
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|a ƒaComputermedien
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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 On August 24, 2003, during a foray for grasses infected with fungi, redtop creeping bentgrass (Agrostis stolonifera L.) was collected on Butt Mountain Lookout near an abandoned fire tower with coordinates 80°37'40.3″ W and 37°22'14.0″N at an altitude of 1,284 m overlooking the New River between the towns of Pembroke and Ripplemead, VA. Seed heads with very elongated glumes, lemmas, and paleas were very common, and the incidence rate was nearly 95% on the basis of symptomatic plants in the immediate area surrounding the tower comprising more than 5 ha of a grassy meadow. Close examination revealed the occurrence of elongated, blackish galls replacing the ovaries and containing Anguina agrostis (Steinbuch, 1799) Filipjev, 1936. Nematode cultures were established and maintained on red top creeping bentgrass (A. stolonifera) in a greenhouse. Identification was based on morphology and measurements of juveniles L = 407 + 22 (376-418) μ, stylet L = 18.5 + 1.7 (17.0-21.3) μ males L = 351 + 17 (339-367) μm; and females L = 455 + 33. Examination of specimens collected previously by C. Roane revealed that another population of Anguina agrostis was also found on August 9, 1990 parasitizing the same host growing along Echo Trail near Big Lake Lodge Rd. in St. Louis County, MN. The infestation at the Virginia site may have been from sowing infested seeds at the disturbed construction site for the fire lookout tower and other buildings. However, the occurrence at the Minnesota site is less likely to be anthropogenic. Voucher specimens from both locations were placed in the Virginia Tech Nematode Collection, and voucher cultures are maintained in the Virginia Tech Nematode Culture Collection
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|a Journal Article
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|a Roane, C W
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|u http://dx.doi.org/10.1094/PD-90-1110C
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