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Reaction of different tomato genotypes to the bacterial speck pathogen (pseudomonas syringae pv. tomato)
Year:
1986
Source of publication :
Phytoparasitica
Authors :
Pilowsky, Meir
;
.
Zutra, Dan
;
.
Volume :
14
Co-Authors:
Pilowsky, M., Dept. of Plant Genetics and Breeding, ARO The Volcani Center, Bet Dagan, Israel
Zutra, D., Dept. of Plant Pathology, ARO The Volcani Center, Bet Dagan, Israel
Facilitators :
From page:
39
To page:
42
(
Total pages:
4
)
Abstract:
Genetic tests were carried out in the greenhouse to determine whether resistance to Pseudomonas syringae pv. tomato in the tomato cultivar Ontario 7710 and in the wild accession PI 126430 (Lycopersicon pimpinellifolium) was controlled by different genes. Ontario 7710 (genotype of resistance Pto/Pto), PI 126430, their F! and F2 progenies and F( x susceptible progenies were tested for resistance to the bacterial speck pathogen. No lesions appeared on inoculated leaves in plants of Ontario 7710, PI 126430 and the Fj hybrid. F2 progenies segregated for resistance (symptomless) and susceptibility (50-80 lesions per plant) at a ratio of 15:1. Plants from the cross Fj x susceptible segregated at a ratio of 3 resistant: 1 susceptible. These data indicate that the gene for resistance in PI 126430 is different from that found in Ontario 7710. The gene symbol Pto-2 is proposed for the resistance factor in PI 126430. © 1986, Springer Science + Business Media B.V.. All rights reserved.
Note:
Related Files :
bacterial speck
Lycopersicon spp
Pseudomonas syringae
pv. tomato
Resistance
tomato
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Related Content
More details
DOI :
10.1007/BF02980476
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
30443
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:54
Scientific Publication
Reaction of different tomato genotypes to the bacterial speck pathogen (pseudomonas syringae pv. tomato)
14
Pilowsky, M., Dept. of Plant Genetics and Breeding, ARO The Volcani Center, Bet Dagan, Israel
Zutra, D., Dept. of Plant Pathology, ARO The Volcani Center, Bet Dagan, Israel
Reaction of different tomato genotypes to the bacterial speck pathogen (pseudomonas syringae pv. tomato)
Genetic tests were carried out in the greenhouse to determine whether resistance to Pseudomonas syringae pv. tomato in the tomato cultivar Ontario 7710 and in the wild accession PI 126430 (Lycopersicon pimpinellifolium) was controlled by different genes. Ontario 7710 (genotype of resistance Pto/Pto), PI 126430, their F! and F2 progenies and F( x susceptible progenies were tested for resistance to the bacterial speck pathogen. No lesions appeared on inoculated leaves in plants of Ontario 7710, PI 126430 and the Fj hybrid. F2 progenies segregated for resistance (symptomless) and susceptibility (50-80 lesions per plant) at a ratio of 15:1. Plants from the cross Fj x susceptible segregated at a ratio of 3 resistant: 1 susceptible. These data indicate that the gene for resistance in PI 126430 is different from that found in Ontario 7710. The gene symbol Pto-2 is proposed for the resistance factor in PI 126430. © 1986, Springer Science + Business Media B.V.. All rights reserved.
Scientific Publication
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