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Paper Abstract and Keywords
Presentation 2023-07-12 17:10
Acceleration of Shiitake mushroom fruiting body development by sound pressure and frequency of lightning strike
Ryo Ogama, Hiroyuki Shimizu, Takefumi Hiraguri (NIT), Koichi Takaki (IU), Takuma Takanashi (FFPRI), Shohei Aiba (Fujishukin Co., Ltd) CQ2023-16
Abstract (in Japanese) (See Japanese page) 
(in English) The folklore belief that "mushrooms thrive with lightning strikes" has long been recognized among farmers. In previous research, an artificial impulse voltage generator was used to simulate lightning strikes. Logs were placed away from the discharge electrode to avoid direct impact and were found to yield approximately double the fruiting bodies compared to the control group. This suggests that factors other than direct electrical stimulation contribute to the increased production. Building upon this, our study hypothesized that the sound of lightning strikes promotes fruiting body formation and conducted experiments to validate this hypothesis. The experiments investigated the relationship between sound pressure and the promotion of fruiting body formation, as well as the effect of different frequencies present in lightning strike sounds. The results confirmed the stimulating effect of sound on fruiting body formation and are reported accordingly.
Keyword (in Japanese) (See Japanese page) 
(in English) Shiitake mushroom / Sound pressure stimulation / Frequency band / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 102, CQ2023-16, pp. 44-48, July 2023.
Paper # CQ2023-16 
Date of Issue 2023-07-05 (CQ) 
ISSN Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee CQ  
Conference Date 2023-07-12 - 2023-07-13 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) QoE and QoS Optimization/Control, Network Optimization/Control, etc. 
Paper Information
Registration To CQ 
Conference Code 2023-07-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Acceleration of Shiitake mushroom fruiting body development by sound pressure and frequency of lightning strike 
Sub Title (in English)  
Keyword(1) Shiitake mushroom  
Keyword(2) Sound pressure stimulation  
Keyword(3) Frequency band  
1st Author's Name Ryo Ogama  
1st Author's Affiliation Nippon Institute of Technoligy (NIT)
2nd Author's Name Hiroyuki Shimizu  
2nd Author's Affiliation Nippon Institute of Technoligy (NIT)
3rd Author's Name Takefumi Hiraguri  
3rd Author's Affiliation Nippon Institute of Technoligy (NIT)
4th Author's Name Koichi Takaki  
4th Author's Affiliation Iwate University (IU)
5th Author's Name Takuma Takanashi  
5th Author's Affiliation Forestry and Forest Products Research Institute Tohoku Research Center (FFPRI)
6th Author's Name Shohei Aiba  
6th Author's Affiliation Fujishukin Co., Ltd (Fujishukin Co., Ltd)
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Speaker Author-1 
Date Time 2023-07-12 17:10:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2023-16 
Volume (vol) vol.123 
Number (no) no.102 
Page pp.44-48 
Date of Issue 2023-07-05 (CQ) 

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