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Complete resistance by carnation cultivars to Fusarium wilt induced by Fusarium oxysporum f. sp. dianthi race 2
Year:
1997
Source of publication :
Plant Disease
Authors :
Ben-Yephet, Yephet
;
.
Reuven, Michal
;
.
Shtienberg, Dan
;
.
Volume :
81
Co-Authors:
Ben-Yephet, Y., Department of Plant Pathology, ARO, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Reuven, M., Department of Plant Pathology, ARO, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Shtienberg, D., Department of Plant Pathology, ARO, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Facilitators :
From page:
777
To page:
780
(
Total pages:
4
)
Abstract:
The response of two carnation (Dianthus caryophyllus) cultivars, Arbel and Scarlette, to Fusarium wilt induced by Fusarium oxysporum f. sp. dianthi race 2 was determined in experiments conducted in an infested field and using artificially inoculated plants grown in a nethouse. In six field experiments conducted from 1989-90 to 1995-96, and including more than 200 different cultivars, Arbel and Scarlette were the only ones that remained symptomless. The responses of the other cultivars varied markedly, but even those known to be highly resistant, Eveline and Novada, were frequently diseased. In the net-house tests, Arbel and Searletee were compared with cultivars that ranged in their response to Fusarium wilt from highly resistant to highly susceptible. Due to the conducive conditions for Fusarium wilt prevailing in these tests, disease progressed rapidly, and by the end of the experiments all cultivars except Arbel and Scarlette were severely diseased (incidence of 81.2 to 100%); Arbel and Scarlette remained symptomless. The pathogen did colonize the basal stem parts of all cultivars, including Arbel and Scarlette. The number of colony-forming units (CFU) recovered from the basal stem parts was 105 CFU/g of stem in the other cultivars, 103 CFU/g in Scarlette, and 50 CFU/g in Arbel. Results of our study suggest that Arbel and Scarlette exhibit a novel type of resistance to Fusarium wilt induced by E oxysporum f. sp. dianthi race 2.
Note:
Related Files :
Dianthus caryophyllus
Fusarium
Fusarium oxysporum
Fusarium oxysporum f. sp. dianthi
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Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21269
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:42
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Scientific Publication
Complete resistance by carnation cultivars to Fusarium wilt induced by Fusarium oxysporum f. sp. dianthi race 2
81
Ben-Yephet, Y., Department of Plant Pathology, ARO, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Reuven, M., Department of Plant Pathology, ARO, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Shtienberg, D., Department of Plant Pathology, ARO, Volcani Center, P.O. Box 6, Bet Dagan 50250, Israel
Complete resistance by carnation cultivars to Fusarium wilt induced by Fusarium oxysporum f. sp. dianthi race 2
The response of two carnation (Dianthus caryophyllus) cultivars, Arbel and Scarlette, to Fusarium wilt induced by Fusarium oxysporum f. sp. dianthi race 2 was determined in experiments conducted in an infested field and using artificially inoculated plants grown in a nethouse. In six field experiments conducted from 1989-90 to 1995-96, and including more than 200 different cultivars, Arbel and Scarlette were the only ones that remained symptomless. The responses of the other cultivars varied markedly, but even those known to be highly resistant, Eveline and Novada, were frequently diseased. In the net-house tests, Arbel and Searletee were compared with cultivars that ranged in their response to Fusarium wilt from highly resistant to highly susceptible. Due to the conducive conditions for Fusarium wilt prevailing in these tests, disease progressed rapidly, and by the end of the experiments all cultivars except Arbel and Scarlette were severely diseased (incidence of 81.2 to 100%); Arbel and Scarlette remained symptomless. The pathogen did colonize the basal stem parts of all cultivars, including Arbel and Scarlette. The number of colony-forming units (CFU) recovered from the basal stem parts was 105 CFU/g of stem in the other cultivars, 103 CFU/g in Scarlette, and 50 CFU/g in Arbel. Results of our study suggest that Arbel and Scarlette exhibit a novel type of resistance to Fusarium wilt induced by E oxysporum f. sp. dianthi race 2.
Scientific Publication
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