Japanese Journal of Phytopathology
Online ISSN : 1882-0484
Print ISSN : 0031-9473
ISSN-L : 0031-9473
Physiological, Biochemical and Pathological Differentiation among Strains of Erwinia carotovora Isolated from Japan and Thailand
Surang KARNJANARATKenichi TSUCHIYANobuaki MATSUYAMASatoshi WAKIMOTO
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1987 Volume 53 Issue 4 Pages 460-469

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Abstract

Fifty-one of the Japanese strains and 29 of the Thai strains of Erwinia carotovora isolated from various kinds of soft rot vegetables were investigated for their pathological, physiological and biochemical properties. On the basis of pathogenicity to potato, tomato, onion and cucumber, they were seperated into 4 groups. On the basis of the production of reducing substances from sucrose, casein hydrolysis, indole production, acid production from palatinose, sorbitol and α-methyl-D-glucoside, they could be distinguished into 7 biovars. With the exception of the ability to grow at 36C, the properties of 3 biovars (A-C) were similar to E.c. subsp. atroseptica (Eca). Other biovars (D-G) were identified as E.c. subsp. carotovora (Ecc). No relationship was found between biovar and pathovar.

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© The Phytopathological Society of Japan
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