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6 risultati
First Report of Fire Blight Caused by Erwinia amylovora on Pear, Apple, and Quince in Morocco.
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In the spring of 2006, symptoms similar to those of fire blight were observed on pear (Pyrus communis), apple (Malus pumila), and quince (Cydonia oblonga) trees at the flowering and early fruit set stages in an orchard in the Meknès Region, 140 km east of Rabat. Symptoms consisted of i) water-soaked
Pest categorisation of non-EU viruses and viroids of Cydonia Mill., Malus Mill. and Pyrus L
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Following a request from the EU Commission, the Panel on Plant Health performed a pest categorisation of 17 viruses and viroids, herein called viruses, of Cydonia Mill., Malus Mill. and Pyrus L. determined as being either non-EU or of undetermined standing in a previous EFSA
First Report of Erwinia amylovora on Crataegus monogyna and Pyrus pyraster in Bulgaria.
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Typical symptoms of fire blight, caused by Erwinia amylovora, were observed in late June of 1998 on Crataegus monogyna Jacq. (hawthorn) and Pyrus pyraster Burgsd. (syn. P. caucasia, wild or thorny pear) in the region of Plovdiv. Symptoms observed on hawthorn were shepherd's-crook shoots, necrotic
First Report of Fire Blight Caused by Erwinia amylovora on Pyracantha coccinea in Bulgaria.
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During late May and June of 2003, a fire blight epidemic occurred in southcentral Bulgaria on earlier reported hosts such as apple, pear, quince, and hawthorn (1). A new host was found when fire blight was also observed in mid-June on Pyracantha coccinea grown in the Plovdiv Region. Symptoms were
First Report of Fire Blight on Pyrus elaeagrifolia and Amelanchier sp. in Bulgaria.
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In 2005, a fire blight epidemic occurred for the second time within the last 3 years, and severe damages were observed on pome fruits trees in many regions of Bulgaria. For the first time, we found fire blight on Pyrus elaeagrifolia and Amelanchier sp. grown in a park area (Plovdiv Region),
Erwinia amylovora strains isolated in Romania from outbreaks of fire blight disease: phenotypic characterization.
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The fire blight disease was described for the first time in Romania, in 1992. Since then by continuous spreading, this disease has caused severe damages of the fruit trees production, particularly of the pear and quince orchards in different regions of the country, being advantaged by certain
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