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The influence of the primary germ tube on infection of barley by Erysiphe graminis f. sp. hordei
Author(s) -
WOOLACOTT B.,
ARCHER S. A.
Publication year - 1984
Publication title -
plant pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.928
H-Index - 85
eISSN - 1365-3059
pISSN - 0032-0862
DOI - 10.1111/j.1365-3059.1984.tb02644.x
Subject(s) - appressorium , germ tube , biology , erysiphe graminis , conidium , germ , host (biology) , botany , hordeum vulgare , microbiology and biotechnology , poaceae , genetics
In each of three separate genotype combinations of Erysiphe graminis f. sp. hordei and barley the probability of infection success by an appressorium was reduced by close proximity to a primary germ tube interacting with the same host cell, whether this germ tube was produced by the same or another conidium. Infection success of appressoria was unaffected by events in an adjacent cell, whether associated with other conidia or with the primary germ tube of the same conidium. This interaction between germ tubes and underlying host cells should be considered when mechanisms of resistance to E. graminis f. sp. hordei are investigated.