Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Thomas F. Cummings"'
Publikováno v:
American Journal of Potato Research. 95:15-25
Verticillium wilt, caused by the soil-borne fungus Verticillium dahliae, is one of the most important diseases of potato in North America. Soil incorporation of alfalfa residues prior to planting potato could be a nonchemical Verticillium wilt manage
Publikováno v:
Plant Disease. 101:1500-1506
Verticillium wilt, caused by Verticillium dahliae, is a disease of dicotyledonous crops such as potato and has a wide host range and persistent, long-term survival structures called microsclerotia that can persist in soil for up to 14 years. Some V.
Publikováno v:
Plant Disease. 101:1300-1305
Solanum sisymbriifolium, the litchi tomato, is a perennial herbaceous plant from South America that is used as a trap crop to reduce soilborne populations of the pale cyst nematode Globodera pallida, an important potato pathogen. Possible interaction
Publikováno v:
Plant disease. 87(8)
Chemical desiccation of potato foliage 2 to 3 weeks prior to harvesting tubers is commonly recommended to reduce late blight tuber rot. Observations in commercial fields indicate that this practice may not be needed to manage tuber rot in the semiari
Publikováno v:
Plant disease. 89(11)
The effect of azoxystrobin on potato black dot and the role of seed- and soilborne inocula of Colletotrichum coccodes in the development of black dot were evaluated in the field using two potato seed generations (generation 1 and 3) of the susceptibl
Autor:
Dennis A. Johnson, Thomas F. Cummings
Publikováno v:
Plant disease. 93(9)
Johnson, D. A., and Cummings, T. F. 2009. Latent infection of potato seed tubers by Phytophthora infestans during long-term cold storage. Plant Dis. 93:940-946. Latent infection of potato seed tubers by Phytophthora infestans was determined following
Publikováno v:
Plant disease. 95(3)
The development of aerial stem rot of potato was quantified in relation to soil type, previous crop, and atmospheric temperature in the Columbia Basin. Incidence of bacterial stem rot was assessed for several weeks beginning before row closure in 18
Autor:
Thomas F. Cummings, Dennis A. Johnson
Publikováno v:
Plant disease. 97(2)
A stem inoculation assay was developed to assess transmission of Phytophthora infestans from the base of belowground potato stems to emerged aboveground shoots. Sporangia of P. infestans subsequently developed on aboveground stems after belowground s
Autor:
Thomas F. Cummings, Dennis A. Johnson
Publikováno v:
Plant disease. 99(2)
Potato tubers were collected and evaluated for symptoms and signs of black dot, silver scurf, and Verticillium wilt to determine the effect of extended crop rotations on disease incidences in the Columbia Basin. Incidence of tubers with black dot col
Publikováno v:
Plant Disease. 100:797-801
Alternaria spp. were collected from potato foliage showing symptoms of early blight and brown spot in the Columbia Basin, WA and Bonners Ferry and Rupert, ID between 2009 and 2011. The aggressiveness of three Alternaria spp. on potato was quantified