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Risk assessment of grapevine leafroll disease for developing future site-specific disease spread control tactics and strategies
Year:
2013
Authors :
Cohen, Yafit
;
.
Sokolsky, Tamar
;
.
Volume :
Co-Authors:

Zahavi, T., Extension Service, Ministry of Agriculture, Kiryat Shemona, Israel
Sapir, G., MIGAL- Northern R and D, P.O. Box 831, Kiryat Shmona, 11016, Israel
Sharon, R., MIGAL- Northern R and D, P.O. Box 831, Kiryat Shmona, 11016, Israel

Facilitators :
From page:
593
To page:
599
(
Total pages:
7
)
Abstract:
Grapevine leafroll disease (GLD) is one of the most widespread viral diseases of grapevines. A risk assessment study of healthy vines is presented using real multi-year GLD spatial infestation data. Spatial distribution and dynamics of GLD were studied in a commercial vineyard from 2005 to 2011. These GLD spatio-temporal spread studies have shown that following the first few years of random spatial distribution of the disease, it spreads mainly along rows. The work compares the risks of healthy vines adjacent to infected vines in the same row and in adjacent rows. In each year, healthy vines were classified into groups according to their distance from infested vines. In the subsequent years, they were examined for infestation to assess their risk. It was found that infestation risk decreases with the distance from infested vines. Directly neighboring vines were found at significantly higher risk (14.8%) than vines at a distance greater than 3 m from infected vines. The risk of the latter vines was half of that from the directly neighboring vines (7%). The identification of vines at high risk of infestation according to their distance from infected vines may be useful in developing strategies for potential site-specific controls for preventing GLD spread.
Note:
Related Files :
Agriculture
Disease control
Grapevine leafroll disease
Risk assessment
Site-specific
spatial distribution
Spatio-temporal
Show More
Related Content
More details
DOI :
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
Conference paper
;
.
Language:
English
Editors' remarks:
ID:
28699
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:41
Scientific Publication
Risk assessment of grapevine leafroll disease for developing future site-specific disease spread control tactics and strategies

Zahavi, T., Extension Service, Ministry of Agriculture, Kiryat Shemona, Israel
Sapir, G., MIGAL- Northern R and D, P.O. Box 831, Kiryat Shmona, 11016, Israel
Sharon, R., MIGAL- Northern R and D, P.O. Box 831, Kiryat Shmona, 11016, Israel

Risk assessment of grapevine leafroll disease for developing future site-specific disease spread control tactics and strategies
Grapevine leafroll disease (GLD) is one of the most widespread viral diseases of grapevines. A risk assessment study of healthy vines is presented using real multi-year GLD spatial infestation data. Spatial distribution and dynamics of GLD were studied in a commercial vineyard from 2005 to 2011. These GLD spatio-temporal spread studies have shown that following the first few years of random spatial distribution of the disease, it spreads mainly along rows. The work compares the risks of healthy vines adjacent to infected vines in the same row and in adjacent rows. In each year, healthy vines were classified into groups according to their distance from infested vines. In the subsequent years, they were examined for infestation to assess their risk. It was found that infestation risk decreases with the distance from infested vines. Directly neighboring vines were found at significantly higher risk (14.8%) than vines at a distance greater than 3 m from infected vines. The risk of the latter vines was half of that from the directly neighboring vines (7%). The identification of vines at high risk of infestation according to their distance from infected vines may be useful in developing strategies for potential site-specific controls for preventing GLD spread.
Scientific Publication
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