Assessing potato cultivars for resistance to tuber soft rot (Erwinia carotovora subsp.atroseptica) at four test centres in the UK |
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| Authors: | R. L. Wastie G. J. Jellis D. H. Lapwood C. Logan G. Little M. S. Phillips |
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| Affiliation: | (1) Scottish Crop Research Institute, Pentlandfield, EH25 9RF Roslin, Midlothian, Scotland;(2) Plant Breeding Institute, Maris Lane, Trumpington, CB2 2LQ Cambridge, England;(3) Rothamsted Experimental Station, AL5 2JQ Harpenden, Hertfordshire, England;(4) Plant Pathology Research Division, Department of Agriculture for Northern Ireland, New-forge Lane, BT9 5PX Belfast, Northern Ireland;(5) Scottish Crop Research Institute, Mylnefield, Invergowrie, Dundee DD2 5DA, Scotland;(6) Present address: 52 Lea Road, AL5 4PG Harpenden, Hertfordshire, UK;(7) Present address: Ulster Chemicals Limited, 23 Seagoe Industrial Estate, BT63 5QB Portadown, Co. Armagh, Northern Ireland |
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| Abstract: | Summary Tuber slices of 15 cultivars were inoculated withErwinia carotovora subsp.atroseptica on two occasions at four test centres and the results compared. Correlations in mean lesion diameter between inoculum concentrations, between the same test on different occasions, between centres and between cultivars in different tests were mostly significant in spite of small differences in procedure at each centre. Satisfactory agreement was reached between centres, particularly concerning the most resistant (Cara, Pentland Hawk) and most susceptible (Record, Wilja, Pentland Crown, King Edward) of the cultivars tested. The implications of the findings are discussed in relation to results published elsewhere and to other methods of inoculation. |
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| Keywords: | bacterial soft rot disease screening |
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