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Isolation of Race‐and Cultivar‐Specific Elicitors from Intercellular Fluids of Compatible Interactions of Pseudomonas syringae pv. pisi and Pea
Author(s) -
Mwang'ombe A. W.,
Archer S. A.
Publication year - 1995
Publication title -
journal of phytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 60
eISSN - 1439-0434
pISSN - 0931-1785
DOI - 10.1111/j.1439-0434.1995.tb00264.x
Subject(s) - pseudomonas syringae , cultivar , biology , hypersensitive response , intracellular , isolation (microbiology) , pseudomonadaceae , botany , horticulture , plant disease resistance , microbiology and biotechnology , pseudomonas , bacteria , gene , biochemistry , genetics , pathogen
Intercellular fluids obtained by an in vacuo infiltration technique from compatible race‐cultivar interactions of five races of Pseudomonas syringae pv. pisi and pea induced extensive light brown necrotic (hypersensitive type of) lesions in resistant but not susceptible cultivars. In susceptible cultivars the intercellular fluids induced extetensive water soaking symptoms. The intercellular fluids elicited intermediate reactions in pea cultivars of moderate resistance. The intensity of the light brown necrotic reactions in pea appears to be positively correlated with the degree of resistance.