Diversity in soil fungi as influenced by DDT
- 19 Downloads
the application of 1 and 2 ppm DDT to soil did not result in any consistent trends in fungal numbers through a 14 week period. However the amplitude of population fluctuations was markedly suppressed in treated soils during the early weeks of treatment.
A study of the effect of DDT on the population structure of the genusPenicillium indicated that it undergoes a reduction of diversity with treatment that persists at least through a 9 week survey period.
KeywordsPopulation Structure Treated Soil Survey Period Consistent Trend Soil Fungus
Unable to display preview. Download preview PDF.
- 1.Barrett, G. W. (1968) The effects of an acute insecticide stress on a semienclosed grassland ecosystem.Ecology 49:1019–1035.Google Scholar
- 2.Bollen, W. B. (1961) Interactions between pesticides and soil micro-organisms.Ann. Rev. Microbiol. 15:69–92 Google Scholar
- 3.Boyer, M. G. &Barltrop, E. N. (1970) Aspects of the interaction of DDT and some microorganisms of forest soils. Internal Report M-59 Canada Department of Fisheries and Forestry.Google Scholar
- 5.Duffy, J. R. &Wong, N. (1967) Residues of organochlorine insecticides and their metabolites in soils of the Atlantic provinces of Canada.J. of Agr. and Food Chem. 15:457–464.Google Scholar
- 6.Hoffman, D. W. &Richards, N. R. (1955) Soil Survey of York County. Report 19 of the Ontario Soil Survey. Experimental Farms Service and Ontario Agricultural College.Google Scholar
- 7.Johnson, L. F., Curl, E. A., Bond, J. H. &Fribourg, H. A. (1959) Methods for studying soil microflora-plant disease relationships. Burges Pub. Co. Minn.Google Scholar
- 9.Macdonald, D. R. (1966) Background paper for the National Conference on Pollution and Our Environment. B17–225 pp mimeo.Google Scholar
- 10.Macdonald, D. R. &Duffy, J. R. (1968) Studies of aerial spraying against the spruce budworm in New Brunswick. XXIII. Assessment of DDT residues in the ecosystem, 1966, 1967. Internal Report M—27. Canada Department of Forestry and Rural Development.Google Scholar
- 11.Marhn, J. P. (1964) Influence of pesticide residues on soil microbiological and chemical properties.Residue Reviews 4:96–129.Google Scholar
- 12.Menhinick, E. F. (1962) Comparison of invertebrate populations of soil and litter of mowed grasslands in areas treated and untreated with pesticides.Ecology 43:556–561.Google Scholar
- 13.Moore, N. M. (1967) A synopsis of the pesticide problem. Adv. inEcol. Res. 4:75–129.Cragg, J. B. Ed. Academic Press, London.Google Scholar
- 15.Pielou, E. C. (1966) The measurement of diversity in different types of biological collections.J. Theoret. Ecol. 13:131–144.Google Scholar
- 16.Raper, K. B. &Thom, C. (1949) A Manual of the Penicillia. The Williams and Wilkins Co., Baltimore.Google Scholar
- 17.Raper, K. B. &Fennell, D. I. (1965) The GenusAspergillus. The Williams and Wilkins Co., Baltimore.Google Scholar
- 18.Richardson, L. T. &Miller, D. M. (1960) Fungitoxicity of chlorinated hydrocarbon insecticides in relation to water solubility and vapor pressure.Can. J. Bot. 38:163–175.Google Scholar
- 19.Shannon, C. E. &Weaver, W. (1948) The Mathematical Theory of Communication. University of Illinois Press, Urbana.Google Scholar