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Inoculum availability and conidial dispersal patterns of Fusarium mangiferae, the causal agent of mango malformation disease
Year:
2009
Source of publication :
Phytopathology
Authors :
Freeman, Stanley
;
.
Gamliel-Atinsky, Efrat
;
.
Maymon, Marcel
;
.
Shtienberg, Dan
;
.
Volume :
99
Co-Authors:
Gamliel-Atinsky, E., Department of Plant Pathology and Microbiology, Faculty of Agricultural, Food and Environmental Quality Sciences, Hebrew University of Jerusalem, P.O. Box 12, Rehovot, 76100, Israel, Department of Plant Pathology and Weed Research, Agricultural Research Organization (ARO), Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Sztejnberg, A., Department of Plant Pathology and Microbiology, Faculty of Agricultural, Food and Environmental Quality Sciences, Hebrew University of Jerusalem, P.O. Box 12, Rehovot, 76100, Israel
Maymon, M., Department of Plant Pathology and Weed Research, Agricultural Research Organization (ARO), Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Shtienberg, D., Department of Plant Pathology and Weed Research, Agricultural Research Organization (ARO), Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Freeman, S., Department of Plant Pathology and Weed Research, Agricultural Research Organization (ARO), Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Facilitators :
From page:
160
To page:
166
(
Total pages:
7
)
Abstract:
Inoculum availability and conidial dispersal patterns of Fusarium mangiferae, causal agent of mango malformation disease, were studied during 2006 and 2007 in an experimental orchard. The spatial pattern of primary infections in a heavily infected commercial mango orchard corresponded with a typical dispersal pattern caused by airborne pro-pagules. Malformed inflorescences were first observed in mid-March, gradually increased, reaching a peak in May, and declined to negligible levels in August. The sporulation capacity of the malformed inflores-cences was evaluated during three consecutive months. Significantly higher numbers of conidia per gram of malformed inflorescence were detected in May and June than in April. Annual conidial dissemination patterns were evaluated by active and passive trapping of conidia. A peak in trapped airborne conidia was detected in May and June for both years. The daily pattern of conidial dispersal was not associated with a specifically discernable time of day, and an exponential correlation was determined between mean relative humidity (RH) and mean number of trapped conidia. Higher numbers of conidia were trapped when RH values were low (<55%). This is the first detailed report on airborne dispersal of F. mangiferae, serving as the primary means of inoculum spread. © 2009 The American Phytopathological Society.
Note:
Related Files :
circadian rhythm
Fusarium
Fusarium mangiferae
host pathogen interaction
mango
Microbiology
Plant Disease
Plant Diseases
Show More
Related Content
More details
DOI :
10.1094/PHYTO-99-2-0160
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
19886
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:32
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Scientific Publication
Inoculum availability and conidial dispersal patterns of Fusarium mangiferae, the causal agent of mango malformation disease
99
Gamliel-Atinsky, E., Department of Plant Pathology and Microbiology, Faculty of Agricultural, Food and Environmental Quality Sciences, Hebrew University of Jerusalem, P.O. Box 12, Rehovot, 76100, Israel, Department of Plant Pathology and Weed Research, Agricultural Research Organization (ARO), Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Sztejnberg, A., Department of Plant Pathology and Microbiology, Faculty of Agricultural, Food and Environmental Quality Sciences, Hebrew University of Jerusalem, P.O. Box 12, Rehovot, 76100, Israel
Maymon, M., Department of Plant Pathology and Weed Research, Agricultural Research Organization (ARO), Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Shtienberg, D., Department of Plant Pathology and Weed Research, Agricultural Research Organization (ARO), Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Freeman, S., Department of Plant Pathology and Weed Research, Agricultural Research Organization (ARO), Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Inoculum availability and conidial dispersal patterns of Fusarium mangiferae, the causal agent of mango malformation disease
Inoculum availability and conidial dispersal patterns of Fusarium mangiferae, causal agent of mango malformation disease, were studied during 2006 and 2007 in an experimental orchard. The spatial pattern of primary infections in a heavily infected commercial mango orchard corresponded with a typical dispersal pattern caused by airborne pro-pagules. Malformed inflorescences were first observed in mid-March, gradually increased, reaching a peak in May, and declined to negligible levels in August. The sporulation capacity of the malformed inflores-cences was evaluated during three consecutive months. Significantly higher numbers of conidia per gram of malformed inflorescence were detected in May and June than in April. Annual conidial dissemination patterns were evaluated by active and passive trapping of conidia. A peak in trapped airborne conidia was detected in May and June for both years. The daily pattern of conidial dispersal was not associated with a specifically discernable time of day, and an exponential correlation was determined between mean relative humidity (RH) and mean number of trapped conidia. Higher numbers of conidia were trapped when RH values were low (<55%). This is the first detailed report on airborne dispersal of F. mangiferae, serving as the primary means of inoculum spread. © 2009 The American Phytopathological Society.
Scientific Publication
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