Biological Transformation of Wood by Microorganisms: by Alex L. Shigo (auth.), Professor Dr. Walter Liese (eds.)

By Alex L. Shigo (auth.), Professor Dr. Walter Liese (eds.)

This quantity includes the papers awarded on the consultation on wooden items Pathology in the course of the second overseas Congress on Plant Pathology on tenth - twelfth September 1973 in Minneapolis/USA. the subjects have been handled less 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 degradation procedure, through a dialogue consultation on Extension: an obli­ gation of all wooden items Pathologists •. because of the cooperation of the authors all of the papers might be compiled during this quantity. The convention gave an specified hazard to debate intensive the rules of wooden decay via microorganisms from a number of the angles. The chapters provide distinctive details at the present development and difficulties in wooden items pathology. they're as a result accrued jointly during this quantity in order that humans attracted to this box may have quick entry to the cloth and concepts provided. the subject of this consultation, the degradation of wooden by means of fungi and micro organism, has turn into an increasing number of very important over the last years. wooden is the single renewable typical source and uncooked fabric of guy in order that it needs to be preserved opposed to undesirable deterioration. nonetheless, its normal decomposition doesn't bring about any destructive items yet merely to carbondioxide and water. either features were handled during this quantity. Hamburg, March 1975 Walter Liese participants A.F.BRAVERY, development examine institution, Princes Risborough Laboratory, Princes Risborough, U.K.

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Additional info 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

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In posts standing in soil we find - except for the shortlived initial population in the superficial wood layers - quite stabilized and rich populations of non-decay fungi, which are step by step conquered by the decay fungi. We have some sample plots with a high occurrence of Trichoderma viride, which inhibits other fungi, inclusive decay fungi, in laboratory tests; but we find the same degree of decay activity on these plots as on others with a slight Trichoderma infection. The interaction of fungi may be of great importance during the susceptible stadium of spore germination.

Jars were then incubated at Jooe. Two jars of each treatment were removed after 2, 4, and 8 weeks for examination of softrot development. Soil was obtained at the same site from which turfs were taken and was sieved through a J-mm mesh screen. Both soil and sand were adjusted to an initial moisture content of 85% field capacity. 5 series. 5 with the phosphate-citrate buffer. 025 g/kg sand. 5 g N/kg sand. The inoculum in the sterilised soil and sand series was an ascospore suspension taken from a 2-week-old colony of a local isolate of Chaetomium globo- 28 sum Kunze which had been serially subcultured for three transfers on a cellulosic medium (Eggins and Pugh 1962) mOdified by Bravery (1968).

Ho1zforsch. v. Ho1zverwert, 15, (1963), 88-101. 34. D. F. : Scanning electron microscopy as an aid to study of wood anatomy and decay. J. Inst. , (1969), 23, 57-63. 35. D. Thesis, University of London (1970a). 36. : The application of scanning electron microscopy in the study of timber decay. J. Inst. , 5(6), 13-19, (1972). 37. : The effects of certain wood preservatives and their distribution on some fungi causing timber decay. D. of London,(1972). Colonisation of Wood by Soft-Rot Fungi JOHN A BUTCHER New Zealand Forest Service Forest Research Institute ROTORUA SUJ'IIlVfARY Colonisation of Pinus radiata D.

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