Studies on the drug resistance in plant pathogenic fungi against agricultural chemicals. (I). On the drug resistance of blast fungus, <I>Piricularia oryzae</I>, against phenyl mercuric acetate.

Hiromu YOSHII; Yasuji ASADA; Akira KISO; Noboru TANABE

doi:10.3186/jjphytopath.23.215

Studies on the drug resistance in plant pathogenic fungi against agricultural chemicals.

(I). On the drug resistance of blast fungus, Piricularia oryzae, against phenyl mercuric acetate.

Hiromu YOSHII, Yasuji ASADA, Akira KISO, Noboru TANABE

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JOURNAL FREE ACCESS

1958 Volume 23 Issue 5 Pages 215-218

DOI https://doi.org/10.3186/jjphytopath.23.215

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Published: December 30, 1958 Received: - Available on J-STAGE: February 19, 2009 Accepted: October 24, 1958 Advance online publication: - Revised: -
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Date of correction: February 19, 2009 Reason for correction: - Correction: TITLE Details: Wrong : Studies on the drug resistance in plant pathogenic fungi against agricultural chemicals
Right : Studies on the drug resistance in plant pathogenic fungi against agricultural chemicals.

Date of correction: February 19, 2009 Reason for correction: - Correction: SUBTITLE Details: Wrong : (I). On the drug resistance of blast fungus, Piricularia oryzae, against phenyl mercuric acetate
Right : (I). On the drug resistance of blast fungus, Piricularia oryzae, against phenyl mercuric acetate.

Date of correction: February 19, 2009 Reason for correction: - Correction: CITATION Details: [in Japanese]

Date of correction: February 19, 2009 Reason for correction: - Correction: PDF FILE Details: -

Date of correction: February 19, 2009 Reason for correction: - Correction: SUBTITLE Details: Wrong : (I). On the drug resistance of blast fungus, Piricularia oryzae, against phenyl mercuric acetate.
Right : (I). On the drug resistance of blast fungus, Piricularia oryzae, against phenyl mercuric acetate.

Date of correction: February 19, 2009 Reason for correction: - Correction: ABSTRACT Details: Wrong : When the causal fungus of rice blast disease, Piricularia oryzae, was cultured on the modified Tochinai-Nakano's synthetic medium containing phenyl mercuric acetate (PMA) for 40 stages (one stage is formed of 20 days culture), the fungus acquired the drug resistance against PMA.
(1) The drug resistant fungus develops vigorously on the medium containing phenyl mercuric acetate. The fungus respires more actively and shows far less inhibition of respiration by PMA than the normal fungus.
(2) The fungus also shows the resistance against mercuric chloride and phenyl mercuric dinaphthyl methane disulphonate, but not against methoxyethyl mercuric chloride and ethyl mercuric phosphate.
(3) Even if the drug resistant fungus is cultured on the normal medium containing no mercury for 5 stages (one stage is formed of 10 days culture), its resistance is not lost.
Right : When the causal fungus of rice blast disease, Piricularia oryzae, was cultured on the modified Tochinai-Nakano's synthetic medium containing phenyl mercuric acetate (PMA) for 40 stages (one stage is formed of 20 days culture), the fungus acquired the drug resistance against PMA.
(1) The drug resistant fungus develops vigorously on the medium containing phenyl mercuric acetate. The fungus respires more actively and shows far less inhibition of respiration by PMA than the normal fungus.
(2) The fungus also shows the resistance against mercuric chloride and phenyl mercuric dinaphthyl methane disulphonate, but not against methoxyethyl mercuric chloride and ethyl mercuric phosphate.
(3) Even if the drug resistant fungus is cultured on the normal medium containing no mercury for 5 stages (one stage is formed of 10 days culture), its resistance is not lost.

Date of correction: February 19, 2009 Reason for correction: - Correction: CITATION Details: Wrong : 1) Christensen, J. J.: Phytopathology, 36: 386. (1946).

Right : 1) Christensen, J.J.: Phytopathology, 36:386. (1946).

Date of correction: February 19, 2009 Reason for correction: - Correction: PDF FILE Details: -

Abstract

When the causal fungus of rice blast disease, Piricularia oryzae, was cultured on the modified Tochinai-Nakano's synthetic medium containing phenyl mercuric acetate (PMA) for 40 stages (one stage is formed of 20 days culture), the fungus acquired the drug resistance against PMA.
(1) The drug resistant fungus develops vigorously on the medium containing phenyl mercuric acetate. The fungus respires more actively and shows far less inhibition of respiration by PMA than the normal fungus.
(2) The fungus also shows the resistance against mercuric chloride and phenyl mercuric dinaphthyl methane disulphonate, but not against methoxyethyl mercuric chloride and ethyl mercuric phosphate.
(3) Even if the drug resistant fungus is cultured on the normal medium containing no mercury for 5 stages (one stage is formed of 10 days culture), its resistance is not lost.

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