Development of Erysiphe pisi on susceptible and resistant cultivars of pea

There was no significant difference in amount or mode of spore germination of E. pisi when inoculated on to three pea cultivars of differing susceptibility. There were, however, significant differences in the production of appressoria, secondary hyphae, conidiophores and conidia. Appressoria were fo...

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Bibliographic Details
Published inTransactions of the British Mycological Society Vol. 81; no. 2; pp. 275 - 278
Main Authors Singh, U.P., Singh, H.B.
Format Journal Article
LanguageEnglish
Published London Cambridge University Press 01.01.1983
Subjects
Agronomy. Soil science and plant productions
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Genetics and breeding of economic plants
Pest resistance
Pisum sativum
Plant pathogens
Varietal selection. Specialized plant breeding, plant breeding aims
Germination
Host agent relation
Phytopathogen
Spores
Fungi
Resistance
Biological compound
Sensitivity resistance
Leguminosae
Erysiphe pisi
Vegetable crop
Dicotyledones
Pisum sativum
Angiospermae
Spermatophyta
Appressorium
Thallophyta
Cultivar
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Summary:There was no significant difference in amount or mode of spore germination of E. pisi when inoculated on to three pea cultivars of differing susceptibility. There were, however, significant differences in the production of appressoria, secondary hyphae, conidiophores and conidia. Appressoria were formed after 12 h on all cultivars, but secondary hyphae, conidiophores and conidia were not formed at the same time or in equal numbers. No conidiophores were formed on the highly resistant cultivar. Preliminary studies showed the presence of more antifungal activity in the pods and leaves of the resistant cultivars.
ISSN:0007-1536
DOI:10.1016/S0007-1536(83)80079-5