By Alex L. Shigo (auth.), Professor Dr. Walter Liese (eds.)
This quantity includes the papers awarded on the consultation on wooden items Pathology through the 2d overseas Congress on Plant Pathology on tenth - twelfth September 1973 in Minneapolis/USA. the subjects have been handled lower than 4 heads, viz. interplay of Microorganisms in the course of wooden Decay, Bacterial Degradation of wooden, Decay of Resistant wooden and Enzymatic Mechanisms of decay technique, through a dialogue consultation on Extension: an obli gation of all wooden items Pathologists •. due to the cooperation of the authors all of the papers should be compiled during this quantity. The convention gave an designated risk to debate intensive the foundations of wooden decay through microorganisms from a number of the angles. The chapters provide targeted info at the present development and difficulties in wooden items pathology. they're consequently accrued jointly during this quantity in order that humans drawn to this box could have speedy entry to the cloth and concepts awarded. the subject of this consultation, the degradation of wooden via fungi and micro organism, has develop into a growing number of very important over the last years. wooden is the one renewable common source and uncooked fabric of guy in order that it needs to be preserved opposed to undesirable deterioration. however, its normal decomposition doesn't bring about any damaging items yet in basic terms to carbondioxide and water. either facets were handled during this quantity. Hamburg, March 1975 Walter Liese individuals A.F.BRAVERY, construction learn institution, Princes Risborough Laboratory, Princes Risborough, U.K.
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Additional resources for Biological Transformation of Wood by Microorganisms: Proceedings of the Sessions on Wood Products Pathology at the 2nd International Congress of Plant Pathology September 10–12, 1973, Minneapolis/USA
This indicates that the failure of other pure culture techniques is not related to the test fungus used. Results with the sand culture technique suggest that an acceptable test method for soft-rot fungi, using pure cultures of test fungi and a defined basal medium, is feasible. radiata after exposure for 12 weeks are about 16-17%, with individual losses as high as 30%. 1. 2. 3. globosum. globosum developed soft rot equal to that promoted in undisturbed soils. globosum, except that attack of earlywood was encouraged in the latter.
Antagonistic reactions are generally considered under 3 headings: toxic metabolite production mycoparasitism and nutrient competition (Park, 1968). These types are not mutually exclusive and it is probable that combinations will occur naturally. Antagonism involving antibiotics has been claimed, for example, for a Scytalidium sp. (Ricard and Bollen, 1968). g. Dennis and Webster, 1971). In our work on wood colonization we have favored nutrient competition as an important antagonistic factor particularly where a "scavenging" mold is introduced before 53 a wood rotting fungus (Hulme and Shields, 1970).
INTRODUCTION To understand the decay prooess, information on the colonisation, establishment, and interaction of fungi in wood cells is needed. It is most readily obtained by sequential microscopic studies. This paper reports such a study of the various stages in the establishment of soft-rot fungi in wood. , a standard volume of wood in the form of a small disc). Attention was given to the spatial distribution of fungi in wood and interaction between organisms. 25 This approach, however, has serious limitations.