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ID 19879
Eprint ID
19879
FullText URL
Title Alternative
Effect of FFC Ceramic Water on the Infection Process of a Fungal Pathogen
Author
Suzuki, Tomoko
Meguro, Akane
Hasegawa, Sachiko
Nishimura, Tomio
Kunoh, Hitoshi
Abstract
In this report, an effect of FFC-ceramic (FFC-Japan Co. Ltd., Tsu) water on the process of infection by a pea fungal pathogen, Mycosphaerella pinodes was investigated. Energy dispersive X-ray analysis showed that both of the FFC-ceramic water and a common ceramic water contained mainly Ca and S elements, of which the relative atomic percentages were 53~56% and 44~45%, respectively. Lesion formation by pycnospores of M. pinodes on pea leaves was inhibited severely by the application with both ceramic waters at the 1/2~1/6 concentration of saturated solution. Cytological observation under microscope showed that germination, germ-tube elongation and penetration were severely inhibited by these ceramic waters. However, such inhibitory effect of FFC-ceramic water was superior to that of the common ceramic water. On ethanol-killed pea epidermal tissues, both FFC-ceramic water and the common ceramic water blocked the germination, germ-tube elongation and penetration by the pathogen, indicating the direct effect of both ceramic waters on the fungus. In this case, the inhibiting effect of FFC ceramic water was more intensive than the common ceramic water. CaSO(4) at a 1/2~1/4 concentration of saturated solution blocked penetration by the fungus on the killed epidermis of onion bulb but scarcely affected germination and germ-tube elongation. Based on these results, we discussed the role of FFC-ceramic water in disease tolerance of plants and its availability for cultivation.
Abstract Alternative
本研究は,FFCセラミックス(TM)(株 エフフシージャパン)の植物病原菌の発病抑制効果について調べたものである.FFCセラミック水は原液の1/2~1/6の濃度でエンドウ褐紋病菌の発病を顕著に抑制した.この原因を調べたところ,FFCセラミック水は,病原菌の発芽,発芽管伸長,侵入(貫入)を顕著に阻害することが判明した.FFCセラミック水中にはCa並びにS,O元素が多量に存在し,SEM観察の結果と合わせると,CaSO(4)が多量に含まれることが示唆された.そこで,CaSO(4)飽和液の1/2~1/4濃度で,病原菌に対する作用を調べた結果,発芽あるいは発芽管伸長はほとんど阻害されず,低率ながら侵入も観察された.これらの結果を総合して,FFCセラミック水やCaSO4の栽培場面での応用を考察した.
Keywords
Calcium sulfate
FFC-ceramics
infection establishment
Mycosphaerella pinodes
Pisum sativum
Published Date
2010-02-01
Publication Title
岡山大学農学部学術報告
Publication Title Alternative
Scientific Reports of the Faculty of Agriculture Okayama University
Volume
volume99
Issue
issue1
Publisher
岡山大学農学部
Publisher Alternative
Faculty of Agriculture, Okayama University
Start Page
27
End Page
34
ISSN
0474-0254 
NCID
AN00033029
Content Type
Departmental Bulletin Paper
language
日本語
File Version
publisher
Refereed
False
Eprints Journal Name
srfa