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פותח על ידי קלירמאש פתרונות בע"מ -
Efficient, long-lasting resistance against the soft rot bacterium Pectobacterium carotovorum in calla lily provided by the plant activator methyl jasmonate
Year:
2007
Source of publication :
Plant Pathology
Authors :
בלאוסוב, אדוארד
;
.
ידידיה, איריס
;
.
יון, האורל
;
.
ישי, מורן
;
.
לוצאטו, טל
;
.
ליפסקי, אלכסנדר
;
.
Volume :
56
Co-Authors:
Luzzatto, T., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Yishay, M., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Lipsky, A., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Ion, A., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Belausov, E., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Yedidia, I., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Facilitators :
From page:
692
To page:
701
(
Total pages:
10
)
Abstract:
The potential of three externally applied chemical plant activators, Bion, BABA and methyl jasmonate, known to act only through the plant defence system and not on the pathogen directly, to induce resistance against wild-type Pectobacterium carotovorum was examined in white-flowered calla lily (Zantedeschia aethiopica). Following a 24-h induction period, plants were challenge-inoculated with P. carotovorum, originally isolated from calla lily or potato plants, previously transformed using a gfp broad-host-range promoter-probe vector. After another 24 h, Bion treatment (10 μg mL -1, as a drench) reduced disease symptoms more than sixfold and bacterial proliferation by four orders of magnitude. BABA treatment (5-10 μg mL-1, also as a drench) reduced the rate of infection by 75-85%. However, the protection afforded by both inducers did not persist. Also, at higher concentrations both displayed a phytotoxic effect. By contrast, methyl jasmonate (10 mm, applied as a leaf spray) completely inhibited P. carotovorum development in calla lily leaves and afforded a long-lasting effect. It is suggested that the defence response of calla lily against P. carotovorum involves the SA-signalling pathway in the short term, but the jasmonate/ethylene-signalling pathway is required for durable protection. © 2007 The Authors.
Note:
Related Files :
chemical control
disease resistance
Inoculation
Solanum tuberosum
symptom
Zantedeschia
Zantedeschia aethiopica
עוד תגיות
תוכן קשור
More details
DOI :
10.1111/j.1365-3059.2007.01622.x
Article number:
0
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
31530
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:03
You may also be interested in
Scientific Publication
Efficient, long-lasting resistance against the soft rot bacterium Pectobacterium carotovorum in calla lily provided by the plant activator methyl jasmonate
56
Luzzatto, T., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Yishay, M., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Lipsky, A., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Ion, A., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Belausov, E., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Yedidia, I., Department of Ornamental Horticulture, ARO, Volcani Center, Israel
Efficient, long-lasting resistance against the soft rot bacterium Pectobacterium carotovorum in calla lily provided by the plant activator methyl jasmonate
The potential of three externally applied chemical plant activators, Bion, BABA and methyl jasmonate, known to act only through the plant defence system and not on the pathogen directly, to induce resistance against wild-type Pectobacterium carotovorum was examined in white-flowered calla lily (Zantedeschia aethiopica). Following a 24-h induction period, plants were challenge-inoculated with P. carotovorum, originally isolated from calla lily or potato plants, previously transformed using a gfp broad-host-range promoter-probe vector. After another 24 h, Bion treatment (10 μg mL -1, as a drench) reduced disease symptoms more than sixfold and bacterial proliferation by four orders of magnitude. BABA treatment (5-10 μg mL-1, also as a drench) reduced the rate of infection by 75-85%. However, the protection afforded by both inducers did not persist. Also, at higher concentrations both displayed a phytotoxic effect. By contrast, methyl jasmonate (10 mm, applied as a leaf spray) completely inhibited P. carotovorum development in calla lily leaves and afforded a long-lasting effect. It is suggested that the defence response of calla lily against P. carotovorum involves the SA-signalling pathway in the short term, but the jasmonate/ethylene-signalling pathway is required for durable protection. © 2007 The Authors.
Scientific Publication
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