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The use of a tomato cotyledon test to identify Corynebacterium michiganense pv. michiganense

CHALDECOTT, M. A. ; PREECE, T. F.

Plant pathology, 1983-01, Vol.32 (4), p.441-448 [Periódico revisado por pares]

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Título:
The use of a tomato cotyledon test to identify Corynebacterium michiganense pv. michiganense
Autor: CHALDECOTT, M. A. ; PREECE, T. F.
Assuntos: Bacterial plant pathogens ; Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; Lycopersicon esculentum ; Pathology. Damages, economic importance ; Phytopathology. Animal pests. Plant and forest protection
É parte de: Plant pathology, 1983-01, Vol.32 (4), p.441-448
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: When cotyledons of 4‐day‐old tomato seedlings (Lycopersicon esculentum cv. Sonato) were inoculated with Corynebacterium michiganense pv. michiganense and kept at 25°C with a 16 h light period per day, white raised blisters were produced which coalesced to give white, scurfy, cracked areas after 3 days. This symptom did not develop when Gram‐positive coryneform bacteria isolated from, and near, tomato crops were used as inoculum. Pre‐inoculation abrasion of cotyledons, an inoculum concentration of at least 105 bacteria/ml, and high humidity after inoculation were important factors in the expression of this host reaction. The cotyledon test may be of value in laboratories where more detailed tests for C. michiganense pv. michiganense are not possible.
Editor: Oxford, UK: Blackwell Publishing Ltd
Idioma: Inglês

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