Abundance of the soil entomopathogenic fungus Metarhizium anisopliae sensu lato in agricultural field and forest soils in Japan

研究成果: ジャーナルへの寄稿記事

抄録

Metarhizium anisopliae sensu lato is a facultative entomopathogenic, soil-inhabiting fungus that has been used for biological control of soil-dwelling arthropod pests. However, little is known about the density of M. anisopliae sensu lato in forest soils and the difference in the density among different habitat types and geographical origins. In this study, we determined the density of this fungus in soil samples collected from forest and agricultural fields in Japan by plating method with semi-selective agar medium and analyzed its associations with the habitat types and latitudes of the collecting sites. Mean and mode density of 211 soil samples were 9.4 × 10 2 CFUs/g soil and 1.0 × 10 3 -1.0 × 10 4 CFUs/g soil, respectively, which were comparable to the levels previously reported in other countries. The density in forest soil was not significantly different from that of the other habitat types, despite previous studies that concluded M. anisopliae sensu lato to be less abundant in forest soil based on occurrence determined by insect bait method. The latitude was also not significantly associated with the density. This study revealed higher abundance of M. anisopliae sensu lato in forest soil than the original expectation.

元の言語英語
ページ(範囲)468-473
ページ数6
ジャーナルCurrent Research in Environmental and Applied Mycology
8
発行部数4
DOI
出版物ステータス出版済み - 1 1 2018

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Metarhizium
Metarhizium anisopliae
soil fungi
entomopathogenic fungi
forest soils
forest soil
Japan
Fungi
Soil
fungus
habitat type
soil
Ecosystem
soil sampling
habitats
arthropod pests
bait
biological control
agar
baits

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science
  • Infectious Diseases

これを引用

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abstract = "Metarhizium anisopliae sensu lato is a facultative entomopathogenic, soil-inhabiting fungus that has been used for biological control of soil-dwelling arthropod pests. However, little is known about the density of M. anisopliae sensu lato in forest soils and the difference in the density among different habitat types and geographical origins. In this study, we determined the density of this fungus in soil samples collected from forest and agricultural fields in Japan by plating method with semi-selective agar medium and analyzed its associations with the habitat types and latitudes of the collecting sites. Mean and mode density of 211 soil samples were 9.4 × 10 2 CFUs/g soil and 1.0 × 10 3 -1.0 × 10 4 CFUs/g soil, respectively, which were comparable to the levels previously reported in other countries. The density in forest soil was not significantly different from that of the other habitat types, despite previous studies that concluded M. anisopliae sensu lato to be less abundant in forest soil based on occurrence determined by insect bait method. The latitude was also not significantly associated with the density. This study revealed higher abundance of M. anisopliae sensu lato in forest soil than the original expectation.",
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