Isolation of Race-and Cultivar-Specific Elicitors from Intercellular Fluids of Compatible Interactions of Pseudomonas syringae pv. pisi and Pea |
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| Authors: | A. W. Mwang'ombe S. A. Archer |
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| Affiliation: | Department of Crop Science, Faculty of Agriculture, PO Box 30197, Kabete Campus, Nairobi, Kenya Department of Pure and Applied Biology, Imperial College of Science and Technology, Prince Consort Road, London SW7 2BB, UK |
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| Abstract: | 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. |
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