Fire blight, a bacterial disease of Rosaceous plants.
A review and discussion on Erwinia amylovora. The geographical distribution, economic importance, symptomatology, disease cycle, pathological anatomy, host range, biochemistry of host tissues, conditions affecting the disease, control measures and the nature of resistance are considered. Pear, apple, cotoneaster, hawthorn, quince, pyracantha, mountain ash and various other Rosaceous plants have been recorded as hosts. Resistant spp., cvs and rootstocks are listed. Information on control by pruning, eradication, correct plant nutrition and with chemicals, chiefly copper compounds and antibiotics, is included.