Zobrazeno 1 - 10
of 48
pro vyhledávání: '"N. R. Walker"'
Autor:
D L Smith, J P Kerns, N R Walker, A F Payne, B Horvath, J C Inguagiato, J E Kaminski, M Tomaso-Peterson, P L Koch
Publikováno v:
PLoS ONE, Vol 13, Iss 3, p e0194216 (2018)
Dollar spot is one of the most common diseases of golf course turfgrass and numerous fungicide applications are often required to provide adequate control. Weather-based disease warning systems have been developed to more accurately time fungicide ap
Externí odkaz:
https://doaj.org/article/9ffe8283066b4acdb1045713e1d7e9b8
Publikováno v:
International Turfgrass Society Research Journal. 14:916-930
Autor:
J. Francisco Iturralde Martinez, N. R. Walker, Carla D. Garzon, Francisco J. Flores, Alma Koch
Publikováno v:
Plant Disease. 103:2010-2014
A multiplex end-point polymerase chain reaction (PCR) assay was developed for identifying the three-fungal species in the genus Ophiosphaerella that cause spring dead spot (SDS), a devastating disease of bermudagrass. These fungi are difficult to ide
Autor:
Carla D. Garzon, Alma Koch, N. R. Walker, Nathalia Graf Grachet, Julio E. Molineros, Sumit Pradhan, Hassan A. Melouk, Lee Miller, Vanessa Marcillo
Publikováno v:
Plant Disease. 103:89-94
Twenty-eight isolates of Sclerotinia homoeocarpa, causal agent of dollar spot disease in turf, were assessed for fungicide hormesis at sublethal concentrations of thiophanate-methyl (T-methyl). Each isolate was grown in corn meal agar amended with 11
Publikováno v:
Southwestern Entomologist. 41:933-944
Entomopathogenic nematodes in the families Steinernematidae and Heterorhabditidae are ubiquitous soil-dwelling obligate parasites of arthropods and are used commercially to suppress soil-dwelling insect pests in agricultural fields. Little is known a
Publikováno v:
Plant disease. 86(7)
Walker, N. R., Goad, C. L., Zhang, H., and Martin, D. L. 2002. Factors associated with populations of plant-parasitic nematodes in bentgrass putting greens in Oklahoma. Plant Dis. 86:764768. Numerous genera of plant-parasitic nematodes are frequently
Autor:
Francisco J. Flores, N. R. Walker
Publikováno v:
Plant disease. 98(8)
Sandbur (Cenchrus incertus Curtis) is a warm-season, annual, noxious, grassy weed native to southern North America. It is common in sandy, disturbed soils and can also be found in home lawns and sport fields where low turf density facilitates its est
Autor:
N. R. Walker
Publikováno v:
Plant disease. 98(9)
Meloidogyne marylandi is a nematode commonly associated with turfgrasses and has been reported to occur in Texas and Arkansas (1,3). In the fall of 2013, a stand of ultradwarf bermudagrass (Cynodon dactylon × C. transvaalensis) plants in a sand-base
Autor:
Carla D. Garzon, Hassan A. Melouk, Sumit Pradhan, N. R. Walker, Julio E. Molineros, Francisco J. Flores
Publikováno v:
European Journal of Plant Pathology. 147:477-487
Globisporangium Uzuhashi, Tojo & Kakish. (syn. Pythium Pringsheim) species cause many plant diseases, including Pythium damping-off, leaf and fruit blights, and root rots. Fungicide resistant isolates are selected by repeated use of a single active i
Publikováno v:
Journal of Nematology. 48:87-97
Summer-active (continental) and summer-dormant (Mediterranean) tall fescue morphotypes are each adapted to different environmental conditions. Endophyte presence provides plant parasitic nematode resistance, but not with all endophyte strains and cul