C. Walker - Person Details - The Taxonomicon

C. Walker (Chris[topher])

Walker, C. 1973. Interception of the North American native elm bark beetle (Hylurgopinus rufipes (Eich.)) imported from Canada into Britain in logs of rock elm (Ulmus thomassii Sarg.). Plant Pathology 22: 147.

Scott, T.M., King, C.J. & Walker, C. 1974. Trials with insecticide sprays to control elm bark beetles in logs. Quarterly Journal of Forestry 67(2): 1-4.

Walker, C. & King, C.J. 1974. Interception of the bark beetle Ips typographus (L.) imported from West Germany in spruce pulpwood billets. Plant Pathology 23: 166.

Benson, J.F. & Walker, C. 1974. Abundance of Odinia meijerei Collin (Diptera, Odiniidae). Entomologist's Monthly Magazine 110: 50.

Scott, T.M. & Walker, C. 1975. Experiments with insecticides for the control of Dutch elm disease. Forest Record 105. Forestry Commission, Edinburgh.: 21 pp..

Walker, C. & Ross, Ruth 1975. A comparison of maturation feeding of the elm bark beetles Scolytus scolytus (F.) and S. multistriatus (Marsh.) on English elm (Ulmus procera Salisb.) and six other elm taxa. Plant Pathology 24: 187-191.

Walker, C. 1975. Restricting the movement of elm infected with Dutch elm disease - a working guide to the 1974 order. Miscellaneous Publication 1/75. Forestry Commission, Edinburgh.: 12 pp..

Finney, J.R. & Walker, C. 1977. The DD-136 strain of Neoaplectana sp. as a potential biological control agent for the European elm bark beetle, Scolytus scolytus. Journal of Invertebrate Pathology 29: 7-9.

Finney, J.R. & Walker, C. 1979. Assessment of a field trial using the DD-136 strain of Neoaplectana sp. for the control of Scolytus scolytus. Journal of Invertebrate Pathology 33: 239-241.

Walker, C. 1979. Complexipes moniliformis sp. nov.: a new genus and species tentatively placed in the Endogonaceae. Mycotaxon 10: 99-104.

Walker, C. 1979. The mycorrhizast and the herbarium: the preservation of specimens from VA mycorrhizal studies. Program and Abstracts of the 4th North American Conference on Mycorrhizas, Fort Collins, Colorado.: 96.

Walker, C. & Read, D.J. 1981. Mycorrhiza Group Meeting. University of Sheffield. Edited abstracts of a meeting held 24-25 March 1981. Forestry Commission, Edinburgh.: 30 pp..

Walker, C. & Rhodes, L.H. 1981. Glomus albidus: a new species in the Endogonaceae. Mycotaxon 12: 509-514.

Walker, C. & Trappe, J.M. 1981. Acaulospora spinosa sp. nov. with a key to the species of Acaulospora. Mycotaxon 12: 515-521.

Walker, C. 1982. Species in the Endogonaceae: a new species (Glomus occultum) and a new combination (Glomus geosporum). Mycotaxon 15: 49-61.

Walker, C., Mize, C.W. & McNabb Jr., H.S. 1982. Populations of endogonaceous fungi at two locations in central Iowa. Canadian Journal of Botany 60: 2518-2529.

Walker, C. 1983. Taxonomic concepts in the Endogonaceae: spore wall characteristics in species descriptions. Mycotaxon 18: 443-455.

Mason, P.A., Wilson, J., Last, F.T. & Walker, C. 1983. The concept of succession in relation to the spread of sheathing mycorrhizal fungi on inoculated tree seedlings growing in unsterile soil. Plant and Soil 71: 247-256.

Koske, R.E., Miller D.D. & Walker, C. 1983. Gigaspora reticulata: a newly described endomycorrhizal fungus from New England. Mycotaxon 16: 429-435.

Walker, C., Reed, L.E. & Sanders, F.E. 1984. Acaulospora nicolsonii, a new endogonaceous species from Great Britain. Trans. Br. mycol. Soc. 83(2): 360-364.

Morton, J.B. & Walker, C. 1984. Glomus diaphanum: a new species in the Endogonaceae common in West Virginia. Mycotaxon 21: 431-440.

Walker, C. & McNabb Jr., H.S. 1984. Mycorrhizal symbionts associated with hybrid poplars from Iowa, U.S.A. European Journal of Forest Pathology 14: 282-296.

Koske, R.E. & Walker, C. 1984. Gigaspora erythropa, a new species forming arbuscular mycorrhizae. Mycologia 76: 250-255.

Koske, R.E. & Walker, C. 1985. Species of Gigaspora (Endogonaceae) with roughened outer walls. Mycologia 77: 702-720.

Miller, D.D., Domoto, P.A. & Walker, C. 1985. Mycorrhizal fungi at eighteen apple rootstock locations in the United States. New Phytologist 100: 379-391.

Miller, D.D., Domoto, P.A. & Walker, C. 1985. Colonization and efficacy of different endomycorrhizal fungi with apple seedlings at two phosphorus levels. New Phytologist 100: 393-402.

Walker, C. 1985. Endogone lactiflua forming ectomycorrhizas with Pinus contorta. Transactions of the British Mycological Society 84: 353-355.

Walker, C. 1985. Taxonomy of the Endogonaceae. In Trappe, J.M., Molina, R. & Berch, S. (eds.) Proceedings of the sixth North American conference on mycorrhizae.: 193-198.

Wang, G.M., Stribley, D.P., Tinker, P.B. & Walker, C. 1985. Soil pH and vesicular-arbuscular mycorrhiza. In Fitter, A.H. (ed.) British Ecological Society Special Symposium - Ecological Interactions in the soil environment: Plants, Microbes and Animals. Blackwell, Oxford.: 219-224.

Walker, C., Pfeiffer, C.M. & Bloss, H.E. 1986. Acaulospora delicata sp. nov. an endomycorrhizal fungus from Arizona. Mycotaxon 25: 621-628.

Walker, C. 1986. Taxonomic concepts in the Endogonaceae: II. A fifth morphological wall type in endogonaceous spores. Mycotaxon 25: 95-99.

Walker, C. 1986. Problems in taxonomy of mycorrhizal fungi. In Gianinazzi-Pearson, V. & Gianinazzi, S. (eds.) Physiological and Genetical Aspects of Mycorrrhizae. INRA, Paris.: 605-609.

Koske, R.E. & Walker, C. 1986. Species of Scutellospora with smooth-walled spores from maritime sand dunes: two new species and a redescription of the spores of Scutellospora pellucida and Scutellospora calospora. Mycotaxon 27: 219-235.

Koske, R.E. & Walker, C. 1986. Glomus globiferum: a new species of Endogonaceae with a hyphal peridium. Mycotaxon 26: 133-142.

Walker, C., Biggin, P. & Jardine, D. 1986. Clonal differences in mycorrhizal status among half-sibling clones of Sitka spruce. Forest Ecology and Management 14: 275-283.

Walker, C. & Sanders, F.E. 1986. Taxonomic concepts in the Endogonaceae: III. The separation of Scutellospora gen. nov. from Gigaspora Gerd. & Trappe. Mycotaxon 27: 169-182.

Miller, D.D. & Walker, C. 1986. Glomus maculosum sp. nov.(Endogonaceae): an endomycorrhizal fungus. Mycotaxon 25: 217-227.

Koske, R.E., Friese, C., Walker, C. & Dalpe, Y. 1986. Glomus pustulatum: a new species in the Endogonaceae. Mycotaxon 26: 143-149.

Bloss, H.E. & Walker, C. 1987. Some endogonaceous mycorrhizal endophytes in the Santa Catalina Mountains of Arizona. Mycologia 76: 649-654.

Walker, C. & Koske, R.E. 1987. Taxonomic concepts in the Endogonaceae: IV. Glomus fasciculatum redescribed. Mycotaxon 30: 253-262.

Walker, C. 1987. Current concepts in the taxonomy of the Endogonaceae. In Sylvia, D.M., Hung, L.L. & Graham, J.H. (eds.) Mycorrhizae in the next decade. IFAS, Gainesville, Florida.: 300-302.

Walker, C. 1987. Sitka spruce mycorrhizas. Proceedings of the Royal Society of Edinburgh 93B: 117-129.

Walker, C. 1987. Identifying the endomycorrhizal Endogonaceae. In Programa e Resumos da II Reuniao Brasileira sobre Micorrizas. University of Sao Paulo, Sao Paulo.: 83-97.

Walker, C. 1988. Formation and dispersal of propagules of endogonaceous fungi. In Pegg, G. & Ayres, P. (eds.) Fungal infection in plants. Cambridge University Press: 269-284.

Walker, C. 1989. Friendly fungi poised to boost nursery growth. Horticulture Week 205: 18-19.

Walker, C. & Diederichs, C. 1989. Scutellospora scutata sp. nov., a newly described endomycorrhizal fungus from Brazil. Mycotaxon 35: 357-361.

Coutts, M.P., Walker, C. & Burnand, A. 1990. Effects of establishment method on root form of Lodgepole pine and Sitka spruce and on the production of adventitious roots. Forestry 63: 143-159.

Walker, C. & Hall, I.R. 1991. Lectotypification of Scutellospora auriglobosa (Glomales). Mycological Research 95: 398-400.

Walker, C. 1991. Scutellospora is Scutellospora. Mycotaxon 40: 141-143.

Walker, C. 1992. Inoculating Douglas fir seedlings with mycorrhizal fungi. UK Forestry Authority Research Information Note 222. Forestry Commission, Farnham, Surrey.: 5 pp..

Walker, C. 1992. Systematics and taxonomy of the arbuscular endomycorrhizal fungi (Glomales) - a possible way forward. Agronomie 12: 887-897.

Le Tacon, F., Alvarez, I.F., Bouchard, D., Henrion, B., Jackson, R.M., Luff, S., Parlade, J.I., Pera, J., Stenström, E., Villeneuve, N. & Walker, C. 1992. Variations in field response of forest trees to nursery ectomycorrhizal inoculation in Europe. In D.J. Read et al. (eds.) Mycorrhizas in Ecosystems, C·A·B International, Wallingford, UK.: 119-134.

Wang, G.M., Stribley, D.P., Tinker, P.B. & Walker, C. 1993. Effects of pH on arbuscular mycorrhiza. I. Field observations on the long-term liming experiments at Rothamsted and Woburn. New Phytologist 124: 465-472.

Walker, C., Gianinazzi-Pearson, V. & Marion-Espinasse, H. 1993. Scutellospora castanea, a newly described arbuscular mycorrhizal species. Cryptogamie, Mycologie 14: 279-286.

Walker, C. & Trappe, J.M. 1993. Names and epithets in the Glomales and Endogonales. Mycological Research 97: 339-344.

Walker, C. & Vestberg, M. 1994. A simple and inexpensive method for producing and maintaining closed pot cultures of arbuscular mycorrhizal fungi. Agricultural Science in Finland 3: 233-240.

Ingleby, K., Wilson, J., Mason, P.A., Munro, R.C., Walker, C. & Mason, W.L. 1994. Effects of mycorrhizal inoculation and fertilizer regime on emergence of Sitka spruce seedlings. Canadian Journal of Forest Research 24: 618-623.

Ingleby, K., Walker, C. & Mason, P.A. 1994. Acaulospora excavata sp. nov. - an endomycorrhizal fungus from Cote d'Ivoire. Mycotaxon 50: 99-105.

Rosendahl, S., Dodd, J.C. & Walker, C. 1994. Taxonomy and Phylogeny of the Glomales. In Gianinazzi, S. & Schüepp, H. (eds.) The impact of arbuscular mycorrhizas on sustainable agriculture and natural ecosystems, Birkhäuser Press, Basel, Switzerland.: 1-12.

Dodd, J.C., Gianinazzi-Pearson, V., Rosendahl, S. & Walker, C. 1994. European Bank of Glomales - An essential tool for efficient international and interdisciplinary collaboration. In Gianinazzi, S. & Schüepp, H. (eds.) The impact of arbuscular mycorrhizas on sustainable agriculture and natural ecosystems, Birkhauser Press, Basel, Switzerland.: 41-45.

Walker, C. & Wheeler, C.T. 1994. The role of mycorrhizas, actinorhizas and rhizobia as a means of improving plant growth in the nursery. In J.R. Aldhous & W.L. Mason (eds.), Forest Nursery Practice. Bulletin 111 of the Forestry Commission. HMSO.: 104-111.

Nicoll, B.C, Easton, E.P., Milner, A.D., Walker, C. & Coutts, M.P. 1995. Wind stability factors in tree selection: distribution of biomass within root systems of Sitka spruce clones. In Coutts, M.P. & Grace, J. (eds.) Wind and Trees., Cambridge University Press.: 276-292.

Jackson, R.M., Walker, C., Luff, S. & McEvoy, C. 1995. Inoculation and field testing of Sitka spruce and Douglas fir with ectomycorrhizal fungi in the United Kingdom. Mycorrhiza 5: 165-173.

Moore, R., Anderson, A.R., Ray, D., Walker, C., Pyatt, D.G., Evans, H.F., Carter, C.I., Straw, N.A., Wainhouse, D. & Winter, T.G. 1995. Soil Biodiversity: a literature review. Scottish Natural Heritage Review No. 17: 80 pp..

Walker, C., Giovannetti, M., Avio, L., Citernesi, A.S. & Nicolson, T.H. 1995. A new fungal species forming arbuscular: Glomus viscosum. Mycological Research. 99: 1500-1506.

Walker, C. 1995. AM or VAM - What's in a word? In Hock, B. & Varma, A. (eds.) Mycorrhiza: Structure, Function, Molecular Biology and Biotechnology. Springer Verlag: 25-26.

Moore, R., Anderson, A.R., Ray, D., Walker, C., Pyatt, D.G., Evans, H.F., Carter, C.I., Straw, N.A., Wainhouse, D. & Winter, T.G. 1996. Below Ground Biodiversity: a literature review for the British Isles, particularly Scotland. In Soils, Sustainability and the Natural Heritage. HMSO.: 95-96.

Cannon, P. & Walker, C. 1995[1996]. Chapter 3. Data and specimen collection: Fungi. In Jermy, A.C., Long, D., Sands, M.J.S., Stork, N.E. & Winser, S. (eds.) Biodiversity Assessment: A Guide to Good Practice, Department of the Environment/HMSO, London. Field Manual 1 Data and specimen collection of plants, fungi and micro-organisms..

Lloyd-MacGilp, S.A., Chambers, S.M., Dodd, J.C., Fitter, A.H., Walker, C. & Young, J.P.W. 1996. Diversity of the ribosomal internal transcribed spacers within and among isolates of Glomus mosseae and related mycorrhizal fungi. New Phytologist 133: 103-111.

Pfeiffer, C.M., Walker, C. & Bloss, E. 1996. Glomus spurcum, a new endomycorrhizal fungus from Arizona. Mycotaxon 70: 373-382.

Dodd, J.C., Rosendahl, S., Giovannetti, M., Broome, A., Lanfranco, L. & Walker, C. 1996. Inter- and intraspecific variation within the morphologically-similar arbuscular mycorrhizal fungi Glomus mosseae and Glomus coronatum. New Phytologist 133: 113-122.

Redecker, D., Thierfelder, H., Walker, C. & Werner, D. 1997. Restriction analysis of PCR-amplified internal transcribed spacers of ribosomal DNA as a tool for species identification in different genera of the order Glomales. Appl. Environ. Microbiol. 63: 1756-1761.

Walker, C. & Vestberg, M. 1998. Synonymy amongst the arbuscular mycorrhizal fungi: Glomus claroideum, G. maculosum, G. multisubstensum and G. fistulosum. Annals of Botany 82: 601-624.

Murakoshi, T., Motoaki, T., Walker, C. & Saito, M. 1998. Arbuscular mycorrhizal fungi on adjacent semi-natural grasslands with different vegetation in Japan. Mycoscience 39: 455-462.

Walker, C., Cuenca, G. & Sanchez, F. 1998. Scutellospora spinosissima sp. nov., a newly described glomalean fungus from acidic, low nutrient plant communities in Venezuela. Annals of Botany 82: 721-725.

Walker, C. 1999. Methods for culturing and isolating arbuscular mcyorrhizal fungi. Mycorrhiza News 11(2): 2-4.

Bell, J., Mercer, S., Jasper, D., Abbott, L. & Walker, C. 2000. Inoculating VA mycorrhizal fungi into mine soils. Final Report on AMIRA Project P257B, ARC Collaborative Grant. Section 1: 2-49.

Kramadibrata, K., Walker, C., Schwarzott, D. & Schuessler, A. 2000. A new species of Scutellospora with a coiled germination shield. Annals of Botany 86: 21-27.

Herrera-Peraza, R.A., Cuenca, G. & Walker, C. 2001. Scutellospora crenulata, a new species of Glomales from La Gran Sabana, Venezuela. Canadian Journal of Botany 79: 674-678.

Schuessler, A., Gehrig, H., Schwarzott, D. & Walker, C. 2001. Analysis of partial Glomales SSU rRNA gene sequences: implications for primer design and phylogeny. Mycological Research 105: 5-15.

Schwarzott, D., Walker, C. & Schüßler, A. 2001. Glomus, the largest genus of the arbuscular mycorrhizal fungi (Glomales), is non-monophyletic. Molecular Phylogenetics and Evolution 21(2): 190-197.

Schüßler, A., Schwarzott, D. & Walker, C. 2001. A new fungal phylum, the Glomeromycota: phylogeny and evolution. Mycol. Res. 105(12): 1413-1421. [Dec 2001]

Walker, C., Blaszkowski, J., Schwarzott, D. & Schüßler, A. 2004. Gerdemannia gen. nov., a genus separated from Glomus, and Gerdmanniaceae fam. nov., a new family in the Glomeromycota. Mycological Research 108: 707-718. [23 Jun 2004]

Walker, C. & Schüßler, A. 2004. Nomenclatural Clarifications and New Taxa in the Glomeromycota. Mycol. Res. 108(9): 981-982. [Sep 2004] [Online]

Walker, C. 2005. A simple blue staining technique for arbuscular mycorrhizal and other root-inhabiting fungi. Inoculum 56: 68-69.

Walker, C., Vestberg, M. & Schüßler, A. 2007. Nomenclatural clarifications in Glomeromycota. Mycological Research 111: 253-255. [Online]

Hibbett, D.S., Binder, M., Bischoff, J.F., Blackwell, M., Cannon, P.F., Eriksson, O.E., Huhndorf, S., James, T., Kirk, P.M., Lücking, R., Lumbsch, H.T., Lutzoni, F., Matheny, P.B., McLaughlin, D.J., Powell, M.J., Redhead, S., Schoch, C.L. et al. 2007. A higher-level phylogenetic classification of the Fungi. Mycological Research 111: 509-547. [13 Mar 2007]