P. Widden

发表

Functional relationships between Quebec forest soil microfungi and their environment

P. Widden, 1986 .

Response to an ozone gradient of growth and enzymes implicated in tolerance to oxidative stress in Acer saccharum (Marsh.) seedlings

P. Widden, J. Renaud, P. Dizengremel, 2006 .

A SPRUCE-FOREST SOIL

P. Widden, J. Abitbol, 2016 .

Physiological properties of the entomopathogenic hyphomycete Paecilomyces farinosus in relation to its role in the forest ecosystem

P. Widden, S. Harney, 1991 .

Microfungal community structure from forest soils in southern Quebec, using discriminant function and factor analysis

P. Widden, 1986 .

Seasonality of Trichoderma species in a spruce-forest soil.

P. Widden, J. Abitbol, 1980 .

Relationships between Stand Composition and Ectomycorrhizal Community Structure in Boreal Mixed-Wood Forests

P. Widden, R. Bradley, G. Kernaghan, 2006, Microbial Ecology.

Arctic Tundra Ecosystems

Roderick R. Riewe, P. Widden, L. C. Bliss, 1973 .

The effects of temperature on growth of four high Arctic soil fungi in a three-phase system.

P. Widden, D. Parkinson, 1978, Canadian journal of microbiology.

A comparison of spatial heterogeneity of vesicular–arbuscular mycorrhizal fungi in two maple-forest soils

P. Widden, J. Klironomos, P. Moutoglis, 1993 .

Diversity of the small subunit ribosomal RNA gene of the arbuscular mycorrhizal fungi colonizing Clintonia borealis from a mixed-wood boreal forest.

P. Widden, T. DeBellis, 2006, FEMS microbiology ecology.

Folsomia candida, a “fungivorous” collembolan, feeds preferentially on nematodes rather than soil fungi

P. Widden, Queena Lee, 1996 .

Peptaibol metabolites of Tolypocladium geodes

Y. Tsantrizos, P. Widden, F. Sauriol, 1996 .

Effect of ozone on the development of vesicular-arbuscular mycorrhizae in sugar maple saplings

P. Widden, L. Duckmanton, 1994 .

Development of vesicular–arbuscular mycorrhizae in sugar maple (Acer saccharum) and effects of base-cation ammendment on vesicle and arbuscule formation

P. Widden, I. O’halloran, M. A. Cooke, 1993 .

Vesicular-arbuscular mycorrhizal spore populations in sugar maple (Acer saccharum marsh. L.) forests

P. Widden, P. Moutoglis, 1996, Mycorrhiza.

Light and tree size influence belowground development in yellow birch and sugar maple

C. Messier, P. Widden, Song Cheng, 2005, Plant and Soil.

Seasonality of forest soil microfungi in southern Quebec

P. Widden, 1986 .

An automatic, multichamber soil-washing apparatus for removing fungal spores from soil.

P. Widden, J. Bissett, 1972, Canadian journal of microbiology.

Plant community influences on soil microfungal assemblages in boreal mixed-wood forests.

P. Widden, G. Kernaghan, T. De Bellis, 2007, Mycologia.

Use of cotton strips to relate fungal community structure to cellulose decomposition rates in the field

D. D. French, P. Widden, G. Howson, 1986 .

The effects of a forest fire on soil microfungi

P. Widden, D. Parkinson, 1975 .

Preserving accuracy in GenBank

Nils Hallenberg, Ning Zhang, Scott E. Baker, 2008 .

The ecology of Paecilomyces farinosus in two balsam fir forests infested with spruce budworm

P. Widden, S. Harney, 1991 .

Fungi from Canadian coniferous forest soils

P. Widden, D. Parkinson, 1973 .

Biotic and abiotic factors affecting ectomycorrhizal diversity in boreal mixed-woods

P. Widden, Y. Bergeron, D. Paré, 2003 .

Effects of selective cuts on the mycorrhizae of regenerating Betula alleghaniensis and Acer saccharum seedlings in two Quebec mixed deciduous forests

C. Messier, P. Widden, T. DeBellis, 2002 .

Vertical distribution of arbuscular mycorrhizal fungi under corn (Zea mays L.) in no-till and conventional tillage systems

P. Widden, C. Hamel, Z. Kabir, 1998, Mycorrhiza.

Fungal Communities in Soils Along an Elevation Gradient in Northern England

P. Widden, 1987 .

Populations of fungi in a high arctic ecosystem

P. Widden, D. Parkinson, 1979 .

Competition between Trichoderma species: effects of temperature and litter type

P. Widden, D. Hsu, 1987 .

Competitive Interactions and Ecological Strategies of Trichoderma Species Colonizing Spruce Litter

P. Widden, Vilma Scattolin, 1988 .

The Effects of Temperature on Competition for Spruce Needles Among Sympatric Species of Trichoderma

P. Widden, 1984 .

The use of glycerin jelly for mounting stained roots for the observation and quantification of endomycorrhizal fungi

P. Widden, 2001 .

Feeding preferences of the collembolan Folsomia candida in relation to microfungal successions on decaying litter

P. Widden, J. Klironomos, Isabelle Deslandes, 1992 .

Direct observation of spores of vesicular-arbuscular mycorrhizal fungi growing on sugar maple roots in the field, using sodium hexametaphosphate as a soil dispersant

P. Widden, J. Klironomos, P. Moutoglis, 1995 .

Morphology, incidence and fertilization effects on the vesicular-arbuscular mycorrhizae of Acer saccharum in a Quebec hardwood forest

P. Widden, I. O’halloran, M. A. Cooke, 1992 .

The morphology of vesicular – arbuscular mycorrhizae in Clintonia borealis and Medeola virginiana

P. Widden, 1996 .

Decomposition of cotton by Trichoderma species: influence of temperature, soil type, and nitrogen levels

P. Widden, J. C. Cunningham, B. Breil, 1989 .

A new species of Beauveria isolated from Scottish moorland soil

P. Widden, J. Bissett, 1988 .

Fungal populations from forest soils in southern Quebec

P. Widden, 1979 .