IDENTIFICATION AND SPREAD OF ERWINIA-AMYLOVORA ON PEAR IN TURKEY

被引：10

作者：

MOMOL, MT ^{[1
]}

ZELLER, W ^{[1
]}

机构：

[1] FED BIOL RES CTR,INST PLANT PROTECT FRUIT CROPS,W-6915 DOSSENHEIM,GERMANY

来源：

PLANT DISEASE | 1992年 / 76卷 / 11期

关键词：

D O I：

10.1094/PD-76-1114

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Diagnostic and pathogenicity tests of two isolates of bacteria from blighted pear trees in Turkey were compared with tests of known isolates of Erwinia amylovora. Turkish isolates formed orange-yellow colonies with deep orange centers and clear margins on modified Miller-Schroth medium; they did not fluoresce under ultraviolet light when grown on King's medium B. Bacterial ooze was produced on immature pear fruit, and susceptible pear shoots were blighted in 6 days. Based on these tests, the two Turkish isolates were positively identified as Erwinia amylovora. The pattern of spread of fire blight in the Middle East, the Balkans, and the Mediterranean area since 1982 suggests that infections in Turkey may be part of an expanding epidemic originating in Egypt.

引用

页码：1114 / 1116

页数：3

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