Abstract
In the cultivation of shiitake mushrooms (Lentinula edodes), the farmer needs to know the time needed to water in order to adjust the water content of the logs. In this study, six test logs (Quercus serrata, diameter of 38–48 mm, length of 110–118 mm) were used, of which some were dried, some had shiitake mycelia grown on them, and some had mold generated on them. Liquid water was supplied to the test logs by placing the longitudinal direction of the test logs along the line of gravity and immersing the bottom of the test logs in water. Water uptake mass of the test logs was measured for 20 h. The effective diffusion coefficient, Deff, was calculated from the change in time of the water uptake mass using Fick's diffusion law. The Deff of test logs in which shiitake mycelium grew were 1.5–3.4 × 10–8 m2/s, and the values were 2.4–4.7 times higher than that for the dried log. On the other hand, the Deff of the moldy logs were 6.7–9.7 × 10–10 m2/s, which was 0.058–0.081 times that of dry test logs. Based on observation of water penetration into logs by magnetic resonance imaging (MRI) and an optical microscope, it is believed that the driving force behind liquid water rising in the longitudinal direction in the test log is the capillary force acting on a three-phase interface consisting of the inner wall surface of the vessel, liquid water and air.
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References
Arima S (1999) Effect of moisture condition to incubate Shiitake bed-logs. Bull Oita Mush Res Inst 1:1–24
Barry KM, Pearce RB, Evans SD, Hall LD, Mohammed CM (2001) Initial defense responses in sapwood of Eucalyptus nitens (Maiden) following wounding and fungal inoculation. Physiol Mol Plant P 58:63–72
Brownstein KR (1980) Diffusion as an explanation of observed NMR behavior of water absorbed on wood. J Magn Reson 40:505–510
Bucur V (2003) Nondestructive characterization and imaging of wood. Springer, Berlin
Burr HK, Stamm AJ, (1956), Diffusion in wood, Information Reviewed and Reaffirmed, 1674 https://www.google.co.jp/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjC4-y4zYjxAhXLwYsBHTNTCZ4QFjAAegQIBRAD&url=https%3A%2F%2Fir.library.oregonstate.edu%2Fdownloads%2Fth83m3056&usg=AOvVaw3TSpRMetPqJ-s1v3PYzMZ5. Accessed 25 January 2021
Cai C, Javed MA, Komulainen S, Telkki VV, Haapala A, Heräjärvi H (2020) Effect of natural weathering on water absorption and pore size distribution in thermally modified wood determined by nuclear magnetic resonance. Cellulose 27:4235–4247
Callaghan PT (2006) Principles of nuclear magnetic resonance microscopy. Oxford Science Publications, Oxford
Candanedo L, Derome D (2005) Numerical simulation of water absorption in softwood. In: Ninth international IBPSA conference Canada. pp. 123–130
Chang SJ, Olson JR, Wang PC (1989) NMR imaging of internal features in wood. Forest Prod J 39:43–49
Frankl J (2013) Changes in swelling and water absorption of wood degraded by brown rot fungi. Adv Mater Res 778:818–822
Gezici-Koç Ö, Erich SJF, Huinink HP, van der Ven LGJ, Adan OCG (2017) Bound and free water distribution in wood during water uptake and drying as measured by 1D magnetic resonance imaging. Cellulose 24:535–553
Hall LD, Rajanayagam V (1986) Evaluation of the distribution of water in wood by use of three-dimensional proton NMR volume imaging. Wood Sci Technol 20:329–333
Hameury S, Sterley M (2006) Magnetic resonance imaging of moisture distribution in Pinus sylvestris L. exposed to daily indoor relative humidity fluctuations. Wood Mat Sci Eng 1:116–126
Hiltunen S, Mankinen A, Javed MA, Ahola S, Venäläinen M, Telkki VV (2020) Characterization of the decay process of Scots pine caused by Coniophora puteana using NMR and MRI. Holzforschung. https://doi.org/10.1515/hf-2019-0246
Hunter AJ (1993) On movement of water through wood-The diffusion coefficient. Wood Sci Technol 27:401–408
Khazaei J (2008) Water absorption characteristics of three wood varieties. Cercetări Agronomice în Moldova 41(2):134
Kleinberg R (1995) Encyclopedia of nuclear magnetic resonance. In: Harris RK (ed) Grant DM. Wiley, New York
Krus M, Kunzel HM (1993) Determination of Dw from A-value. IEA Annex XXIV Report T3-D-93/02
Kumaran MK (1999) Moisture diffusivity of building materials from water absorption measurements. J Therm Env Bldg Sci 22:349–355
Kuroda K, Kanbara Y, Inoue T, Ogawa A (2006) Magnetic resonance micro-imaging of xylem sap distribution and necrotic lesions in tree stems. IAWA J 27:3–17
MAFF (2019) The 93rd statistical yearbook of ministry of agriculture, forestry and fisheries. https://www.maff.go.jp/e/data/stat/93th/index.html. Accessed 25 January 2021
MEXT (2016) Standard tables of food composition in Japan – 2015 - (Seventh Revised Version) Ministry of Education, Culture, Sports, Science and Technology https://fooddb.mext.go.jp/. Accessed 25 January 2021
Müller U, Bammer R, Halmschlager E, Stollberger R, Wimmer R (2001) Detection of fungal wood decay using magnetic resonance imaging. Holz Roh Werkst 59:190–194
Nakada R (2014) Wetwood in trees; appearance and definition. Mokuzai Gakkaishi 60(2):63–79 ((In Japanese))
Noorolahi S, Khazaei J, Jafari S (2008) Modeling cyclic water absorption and desorption characteristics of three varieties of wood. In: AALD AFITA WCCA2008
Ogawa K, Yashima T (2019) MRI visualization of shiitake mycelium growing in woodchip blocks used for shiitake mushroom cultivation. Magn Reson Imaging 58:90–96
Ogawa K, Yashima T (2020) MRI visualization of shiitake mycelium growing in logs in order to support shiitake mushroom log cultivation. Cellulose. https://doi.org/10.1007/s10570-020-03407-z
Okoh ET (2014) Water absorption properties of some tropical timber species. J Energy Nat Resour 3(2):20–24
Pearce RB, Sümer S, Doran SJ, Carpenter TA, Hall LD (1994) Non-invasive imaging of fungal colonization and host response in the living sapwood of sycamore (Acer pseudoplatanus L.) using nuclear magnetic resonance. Physiol Mol Plant P 45:359–384
Pearce R, Fisher B, Carpanter T, Hall L (1997) Water distribution in fungal lesions in the wood of sycamore, Acer pseudoplatanus, determined gravimetrically and using nuclear magnetic resonance imaging. New Phytol 135:675–688
Przbylowicz P, Donoghue J (1988) Shiitake growers handbook: the art and science of mushroom cultivation. Kendall Hunt Pub Co, Dubuque
Tokimoto K (2010) The foundation of shiitake cultivation on logs. Jpn Soc Mushroom Sci Biotechnol 18:131–138
Wang PC, Joseph S (1989) Nuclear magnetic resonance imaging of wood. Wood Fiber Sci 18(2):308–314
Wasser SP (2005) Shiitake (Lentinus edodes) In: Encyclopedia of dietary supplements, Marcel Dekker, New York 653–664. https://doi.org/10.1081/E-EDS-120024880
Zhou M, Caré S, Courtier-Murias D, Faure P, Rodts S, Coussot P (2018) Magnetic resonance imaging evidences of the impact of water sorption on hardwood capillary imbibition dynamics. Wood Sci Technol 52:929–955
Zhou M, Caré S, King A, Courtier-Murias D, Rodts S, Gerber G, Aimedieu P, Bonnet M, Bornert M, Coussot P (2019) Wetting enhanced by water adsorption in hygroscopic plantlike materials. Phys Rev Res 1:033190
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This research was supported by a research grant from Keio University (2020).
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Ogawa, K., Yashima, T. Enhanced water uptake in the longitudinal direction by shiitake mycelium in shiitake cultivation logs: increase in effective diffusion coefficient based on mass of liquid water uptake. Wood Sci Technol 55, 1237–1267 (2021). https://doi.org/10.1007/s00226-021-01313-6
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DOI: https://doi.org/10.1007/s00226-021-01313-6