Effect of UV-irradiation on plate counts of bacteria from paddy field soil

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概要

• 論文の詳細を見る

• This study was designed to detect the effect of prolonged exposure to solar UV-radiation on the plate counts of heterotrophic bacteria in water-covered paddy field soil. Soil samples were taken from a field exposed to solar radiation when rice plants were young (ca. 3cm high) and a shadowed field when the plants were fully grown. Petri dishes for the respective samples were divided into two parts; before incubation one part was exposed to UV-irradiation (44.5J/m^2) and the other was not exposed (control). Although bacterial counts on control dishes were remarkably lower for the soil exposed to solar radiation than for the shadowed one, the counts on UV-irradiated dishes were similar for both samples. The results suggest that prolonged exposure to solar UV-radiation exerts a selective effect on bacteria in the field.

• 日本土壌微生物学会の論文
• 1995-03-01

著者

• Shigalevich Pavel

  Institute Of Genetic Ecology Tohoku University

• Hattori Tsutomu

  Division Of Microbial And Molecular Ecology Life Science Institute The Hebrew University Of Jerusalem

• Hattori Tsutomu

  Division of Cardiovascular Surgery, Nihon University School of Medicine, Tokyo, Japan

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• Effect of UV-irradiation on plate counts of bacteria from paddy field soil

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