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Journal of General Plant Pathology

, Volume 86, Issue 1, pp 55–59 | Cite as

Toothpick method to evaluate soil antagonism against the white root rot fungus, Rosellinia necatrix

  • Maho TakahashiEmail author
  • Hitoshi Nakamura
Disease Control
  • 135 Downloads

Abstract

A method was developed to evaluate soil antagonism against the white root rot fungus, Rosellinia necatrix. Toothpicks colonized by the fungus were immersed into hot water to produce an extinction zone (EZ) of the fungus and then inserted into soil from different orchards. The EZ differed to various extents in unsterile soils; however, when soil was sterilized, the EZ disappeared. Using this method, we investigated the mechanism of the hot water drip irrigation method devised to control white root rot. The results showed the involvement of synergism between hot water and soil antagonists in the control measure against R. necatrix.

Keywords

Hot water drip irrigation Rosellinia necatrix Soil antagonism Toothpick method 

Notes

Acknowledgements

We thank Dr. Naoyuki Matsumoto for critically reading the manuscript and helpful advice. This work was supported by a Grant from the Ministry of Agriculture, Forestry and Fisheries of Japan.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

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Copyright information

© The Phytopathological Society of Japan and Springer Japan KK, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Chiba Prefectural Agriculture and Forestry Research CenterChibaJapan
  2. 2.Institute of Fruit Tree and Tea ScienceNational Agriculture and Food Research OrganizationTsukubaJapan

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