ISHS Acta Horticulturae 411: VII International Workshop on Fire Blight
PERSISTENCE AND RECOVERY OF ENDOPHYTIC ERWINIA AMYLOVORA IN APPARENTLY HEALTHY APPLE TISSUES |
| Authors: | Q. Ge, T. van der Zwet |
| Abstract:
Erwinia amylovora was recovered from 9 symptomless side shoots of 6 (20%) of 30 Improved Red Jonathan/EM7 trees grown in the greenhouse for about 10 months. These trees were originally inoculated in the shoot tip and 2 months later, several symptomless side shoots developed from axillary buds below the base of the canker. | |
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