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Blackleg development and tuber yield in relation to numbers of Erwinia carotovora subsp. atroseptica on seed potatoes
Year:
1990
Source of publication :
Plant Pathology
Authors :
Nachmias, Abraham
;
.
Tsror, Leah
;
.
Volume :
39
Co-Authors:
BAIN, R.A., Scottish Crop Research Institute, Dundee DD2 5DA, Invergowrie, United Kingdom
PÉROMBELON, M.C.M., Scottish Crop Research Institute, Dundee DD2 5DA, Invergowrie, United Kingdom
TSROR, L., Gilat Regional Experiment Station, Mobile Post, Negev, 85280, Israel
NACHMIAS, A., Gilat Regional Experiment Station, Mobile Post, Negev, 85280, Israel
Facilitators :
From page:
125
To page:
133
(
Total pages:
9
)
Abstract:
The relationship between number of viable cells of Erwinia carotovora subsp. atroseptica on inoculated potato seed tubers and blackleg development was investigated in 2 years for five cultivars grown in the contrasting climates of Scotland and Israel. Blackleg, and to a lesser extent non‐emergence, increased with higher numbers of bacteria on the seed tubers at planting. This relationship was also found for several commercial seed stocks of one cultivar naturally contaminated with different numbers of E. carotovora subsp. atroseptica.The threshold number of bacteria necessary for the development of blackleg declined during the growing season and was also higher for the cultivar Pentland Crown in comparison with the others. In general, yield declined linearly with blackleg incidence and there was a 0.8% reduction in yield for every 1 % blackleg at 13 weeks after planting. Yield loss was positively related to the incidence of blackleg late in the season, whereas the relationship between yield loss and the incidence of non‐emergence was poor. Copyright © 1990, Wiley Blackwell. All rights reserved
Note:
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More details
DOI :
10.1111/j.1365-3059.1990.tb02483.x
Article number:
Affiliations:
Database:
Scopus
Publication Type:
Review
;
.
Language:
English
Editors' remarks:
ID:
26308
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:21
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Scientific Publication
Blackleg development and tuber yield in relation to numbers of Erwinia carotovora subsp. atroseptica on seed potatoes
39
BAIN, R.A., Scottish Crop Research Institute, Dundee DD2 5DA, Invergowrie, United Kingdom
PÉROMBELON, M.C.M., Scottish Crop Research Institute, Dundee DD2 5DA, Invergowrie, United Kingdom
TSROR, L., Gilat Regional Experiment Station, Mobile Post, Negev, 85280, Israel
NACHMIAS, A., Gilat Regional Experiment Station, Mobile Post, Negev, 85280, Israel
Blackleg development and tuber yield in relation to numbers of Erwinia carotovora subsp. atroseptica on seed potatoes
The relationship between number of viable cells of Erwinia carotovora subsp. atroseptica on inoculated potato seed tubers and blackleg development was investigated in 2 years for five cultivars grown in the contrasting climates of Scotland and Israel. Blackleg, and to a lesser extent non‐emergence, increased with higher numbers of bacteria on the seed tubers at planting. This relationship was also found for several commercial seed stocks of one cultivar naturally contaminated with different numbers of E. carotovora subsp. atroseptica.The threshold number of bacteria necessary for the development of blackleg declined during the growing season and was also higher for the cultivar Pentland Crown in comparison with the others. In general, yield declined linearly with blackleg incidence and there was a 0.8% reduction in yield for every 1 % blackleg at 13 weeks after planting. Yield loss was positively related to the incidence of blackleg late in the season, whereas the relationship between yield loss and the incidence of non‐emergence was poor. Copyright © 1990, Wiley Blackwell. All rights reserved
Scientific Publication
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