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The genetic analysis of resistance to fusarium crown and root rot of tomato
Author(s) -
VAKALOUNAKIS D. J.
Publication year - 1988
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.1365-3059.1988.tb02197.x
Subject(s) - biology , root rot , inoculation , crown (dentistry) , fusarium oxysporum , backcrossing , fusarium , cultivar , spore , horticulture , botany , fungi imperfecti , gene , genetics , medicine , dentistry
The tomato line IRB‐301‐31, resistant to fusarium crown and root rot ( Fusarium oxysporum f.sp. radicis‐lycopersici ) was crossed with two susceptible cultivars, Motelle and Earlypak No. 7. When F 1 , F 2 and backcross progenies were inoculated at the one‐leaf stage with a suspension of spores of the pathogen, all could be classified as either resistant (healthy) or susceptible (dead). The ratios of resistant to susceptible plants indicated that resistance was conferred by a single dominant gene, designated Fr1.