Zobrazeno 1 - 10
of 42
pro vyhledávání: '"J. T. Blodgett"'
Publikováno v:
The New phytologistReferences. 149(3)
Summary • The role of water stress in the initiation of collar rot by Sphaeropsis sapinea in asymptomatically colonized Pinus resinosa seedlings is reported. • Mortality and frequency of identification of the pathogen was quantified for seedlings
Publikováno v:
Plant disease. 83(9)
Amaranthus hybridus is an important alternative leafy-vegetable crop with the potential for increased commercial production in southern Africa and other semi-arid regions of the world (2). In May 1998, extensive leaf spotting was observed on A. hybri
Autor:
J. T. Blodgett, Glen R. Stanosz
Publikováno v:
Plant disease. 81(2)
Two morphotypes of Sphaeropsis sapinea, designated A and B, are recognized in the north central United States. Nonwounded seedlings of red (Pinus resinosa) and jack pine (P. banksiana) were inoculated with conidial suspensions of isolates of each mor
Autor:
J. T. Blodgett, Glen R. Stanosz
Publikováno v:
Plant disease. 83(9)
Seedlings of Scot's pine varieties East Anglia and Austrian Hills, red pine, mugho pine variety Pumileo, Colorado blue spruce, Douglas-fir, and balsam fir were wounded and inoculated with water agar plugs colonized by isolates of the two random ampli
Autor:
J. T. Blodgett, Wijnand J. Swart
Publikováno v:
Plant disease. 86(11)
Blodgett, J. T., and Swart, W. J. 2002. Infection, colonization, and disease of Amaranthus hybridus leaves by the Alternaria tenuissima group. Plant Dis. 86:1199-1205. With the increased use of Amaranthus hybridus as a leafy-vegetable crop in Africa
Publikováno v:
Plant disease. 88(4)
Blodgett, J. T., Swart, W. J., and Louw, S. vdM. 2004. Identification of fungi and fungal pathogens associated with Hypolixus haerens and decayed and cankered stems of Amaranthus hybridus. Plant Dis. 88:333-337. Discoloration, cankers, and decay in b
Publikováno v:
Applied Soil Ecology. 35:311-318
A study was conducted to determine the influence of soil amendments and irrigation on the incidence of endophytic fungi in Amaranthus hybridus. Five- and 6-month-old, asymptomatic tissues from A. hybridus were sampled from cultivated plots at Potchef
Autor:
J. T. Blodgett, Pierluigi Bonello
Publikováno v:
Forest Pathology. 33:15-19
Summary The aggressiveness of the A and B isolate groups (morphotypes) of Sphaeropsis sapinea on shoot tips and lower stems of Austrian pine (Pinus nigra) was compared. The distinct differences in aggressiveness between the two S. sapinea groups, pre
Autor:
J. T. Blodgett, G. R. Stanosz
Publikováno v:
Phytopathology®. 87:606-609
The in vitro effects of a red pine phenolic compound (pinosylvin), a phenolic compound common to other species (tannic acid), and the major red pine monoterpenes (α-pinene, β-pinene, and δ-3-carene) on spore germination and mycelial growth of Spha
Publikováno v:
Phytopathology®. 87:429-434
A study was conducted to determine the effects of water stress resulting from competing vegetation on disease development of Sphaeropsis sapinea in red pine plantations. A 9-year-old plantation was selected in 1992 and experiments were conducted for