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Center rot of onion, caused by Pantoea ananatis, has been a problem of sweet onions in Georgia since 1997. A polymerase chain reaction (PCR) protocol was developed to screen for populations of P. ananatis on plant surfaces. Plant samples producing a positive PCR reaction were targeted for further processing to culture the bacterium. In a survey of the Vidalia onion-growing region of Georgia, we detected...
A total of 94 pectolytic and 60 nonpectolytic Pseudomonas isolates were obtained from 250 samples of rotted vegetable specimens representing various economically important vegetables. The isolates were identified on the basis of standard biochemical tests. Pseudomonas fluorescens biovar V and II and Pseudomonas putida were the most abundant species among pectolytic isolates and Pseudomonas fluorescens...
During our study we examined 19 most popular Polish potato cultivars. Susceptibility of tubers to bacterial infection was assessed by two methods: direct injection of bacterial suspension into tuber tissue and clay-inoculation method. The cultivars were divided into three groups: tolerant, relatively susceptible and susceptible. Elida, Bila and Vistula proved to be the most susceptible potato cultivars...
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