Assessment Method for Leaf Litters Allelopathic Effect on Cyanobacteria

Tsuda, Kumiko and Takamura, Noriko and Matsuyama, Minoru and Fujii, Yosiharu (2005) Assessment Method for Leaf Litters Allelopathic Effect on Cyanobacteria. Journal of Aquatic Plant Management, 43, pp. 43-46.

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Official URL: http://www.apms.org/japm/vol43/v43p43.pdf

Abstract

A new bioassay technique combining leaf disk and softagar over-layer methods was developed to investigate the allelopathic effect of deciduous leaf litters on the growth of cyanobacteria ( Microcystis aeruginosa Kütz.). Bioactive substances exuded from leaf disks caused inhibitory plaques on the agar plate containing cyanobacteria , and the rate of diffusion depended on the specific leaf disk area. Most of the leaf litters collected around reservoirs in Japan showed inhibitory activity to M. aeruginosa , with Rhus trichocarpa Miq., Quercus variabilis Blume and Mallotus japonicus (Thunb.) Muell. Arg. being the strongest among the 22 tested species.(PDF has 4 pages.)

Item Type: Article
Title: Assessment Method for Leaf Litters Allelopathic Effect on Cyanobacteria
Personal Creator/Author:
CreatorsEmail
Tsuda, Kumiko
Takamura, Noriko
Matsuyama, Minoru
Fujii, Yosiharu
Refereed: Yes
Journal or Publication Title: Journal of Aquatic Plant Management
Volume: 43
Page Range: pp. 43-46
Date: 2005
Issuing Agency: Aquatic Plant Management Society, Inc.
Uncontrolled Keywords: allelopathy, bioassay; leaf disk, Microcystis aeruginosa; reservoirs; Japan
Subjects: Management
Biology
Limnology
Item ID: 1605
Depositing User: Stephanie Haas
Date Deposited: 04 Nov 2008 23:52
Last Modified: 29 Sep 2011 20:18
URI: http://aquaticcommons.org/id/eprint/1605

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