paspalum/nekros

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First Report of Trichodorus obtusus on Turfgrass in North Carolina, U.S.A.

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In May 2014, 11 sandy soil samples were collected at a depth of about 5 to 15 cm from a golf course community in Wilmington, NC, composed of Bermudagrass (Cynodon dactylon) from the fairway, St. Augustinegrass (Stenotaphrum secundatum) from the lawn, and Zoysiagrass (Zoysia japonica) from the tee,

Biology and biotype determination of greenbug, Schizaphis graminum (Hemiptera: Aphididae), on seashore paspalum turfgrass (Paspalum vaginatum).

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Greenbug, Schizaphis graminum (Rondani) (Hemiptera: Aphididae), was first discovered damaging seashore paspalum (Paspalum vaginatum Swartz) turfgrass in November 2003 at Belle Glade, FL. Inquiries to several golf courses with seashore paspalum turf across southern Florida indicated infestation was

Identification and Pathogenicity of Bacteria Associated with Etiolation and Decline of Creeping Bentgrass Golf Course Putting Greens.

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Bacterial etiolation and decline has developed into a widespread issue with creeping bentgrass (CBG) (Agrostis stolonifera) putting green turf. The condition is characterized by an abnormal elongation of turfgrass stems and leaves that in rare cases progresses into a rapid and widespread necrosis

First Report of Bacterial Wilt of Annual Bluegrass Caused by Xanthomonas translucens pv. poae in Montana.

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During August 2003, a golf course putting green sample composed of Poa annua from the Buffalo Hill Country Club in Kalispell, MT exhibiting symptoms of general decline, wilting, and necrosis was submitted to the University of Rhode Island Turfgrass Disease Diagnostic Laboratory. No pathogenic fungi

First Report of a Bacterial Disease on Creeping Bentgrass (Agrostis stolonifera) Caused by Acidovorax spp. in the United States.

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In June of 2009, a golf course putting green sample of creeping bentgrass (Agrostis stolonifera L.) cv. Penn G-2 from a golf club in North Carolina was submitted to the Michigan State University Turfgrass Disease Diagnostic Laboratory for diagnosis. The sample exhibited symptoms of general wilt,

First Report of Colletotrichum cereale Causing Anthracnose Foliar Blight of Creeping Bentgrass in Mississippi and Alabama.

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Colletotrichum cereale Manns, formerly C. graminicola (Ces.) G.W. Wils., is the causal agent of anthracnose foliar blight (AFB) of creeping bentgrass (Agrostis stolonifera L.) and other grass species (1). AFB is most prevalent on creeping bentgrass during summer heat stress (2). Symptoms of AFB

First Report of Marasmiellus mesosporus Causing Marasmiellus Blight on Seashore Paspalum.

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Seashore paspalum (Paspalum vaginatum Sw.) is a newly cultivated C4 turfgrass that has exceptional salinity tolerance and is highly suited for use on golf courses in coastal areas. In October 2008 and June 2009, circular patches of blighted seashore paspalum ranging from 30 cm to >3 m in diameter

First Report of Anthracnose Disease of Ornamental Feather Reed Grass (Calamagrostis × acutifolia 'Karl Foerster') Caused by Colletotrichum cereale.

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Calamagrostis × acutifolia 'Karl Foerster' (feather reed grass) is a cool-season grass grown extensively as an ornamental plant throughout the United States. In July 2005, severe foliar damage was observed in feather reed grasses in a residential garden in Barrington, NJ. Symptoms were observed as

First Report of Dollar Spot Caused by Sclerotinia homoeocarpa on Agrostis stolonifera in Argentina.

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During the summer of 2000, circular, yellow-to-brown, blighted, 2- to 4-cm-diameter patches were observed on creeping bentgrass (Agrostis stolonifera) putting greens (cv. Pennlinks) maintained at a 4- to 5-mm height on a golf course in Pilar (Buenos Aires, Argentina). Symptomatic leaves had

Microdochium paspali, a new species causing seashore paspalum disease in southern China.

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A new species of Microdochium was identified as the causal agent of leaf blight of seashore paspalum (Paspalum vaginatum), a turf grass widely used in tropical and subtropical golf courses. In 2010 foliar necrosis and canopy thinning were observed on 11 surveyed golf courses in Hainan province,

Identification of a New Waitea circinata Variety Causing Basal Leaf Blight of Seashore Paspalum.

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Seashore paspalum (Paspalum vaginatum) is a saline-tolerant, warm-season turfgrass species popular for golf course use in tropical and subtropical climates. A new variety of Waitea circinata (proposed as W. circinata var. prodigus) is described as the causal agent of basal leaf blight, a novel

Infection and Colonization of Several Bermudagrasses by Ophiosphaerella korrae.

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Bermudagrass (Cynodon spp.) is the most commonly used turfgrass in the southern United States where it is severely affected by spring dead spot (SDS) caused by Ophiosphaerella herpotricha, O. korrae, and O. narmari. In this study, infection of bermudagrass roots and stolons by O. korrae was

First Report of Curvularia Blight of Zoysiagrass Caused by Curvularia lunata in the United States.

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Symptoms of an unknown foliar blight have been observed in zoysiagrass (Zoysia matrella, Z. japonica, and hybrids) landscapes in North Carolina since 2002. Disease activity is most common during spring and summer when temperatures are between 21 and 30°C. Affected leaves initially exhibit small,

First Report of Basal Leaf Blight of Kikuyugrass Caused by Waitea circinata var. prodigus in Southern California.

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Kikuyugrass (Pennisetum clandestinum) is a C4 grass and invasive weed adopted for use as a primary turf species in some golf course fairways and roughs in southern California. In September 2008, a new Rhizoctonia-like fungus was isolated from a diseased kikuyugrass sample received from a golf course

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