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Scooped by Knapco onto Plant health |
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Farmers Guardian. Decline in plant disease expertise is a cause for concern. Plant pathology has been lost completely, or greatly reduced at 11 universities and colleges, while fewer than half of the institutions which teach biology, agriculture or forestry offer courses in plant pathology
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The most widespread phytoplasmas, vectors and measures for disease control in Slovenia Phytoplasmas, as fastidious wall-less mollicutes, colonize phloem tissue of many plant species, including grapevine and fruit trees. They are transmitted between plants by vegetative propagation and by sap-sucking insect vectors, which enable spread of the diseases. ‘Candidatus Phytoplasma mali’, associated with apple proliferation, ‘Ca. P. prunorum’, associated with European stone fruit yellows and ‘Ca. P. pyri’, associated with pear decline, were detected in several fruit-growing areas of Slovenia. The most widespread phytoplasma on grapevine in Slovenia was the stolbur phytoplasma, (‘bois noir’), but ‘Flavescence dorée’ phytoplasma, associated with serious disease of grapevine, has been detected in Slovenian vineyards. Mehle N et al. (2012) The most widespread phytoplasmas, vectors and measures for disease control in Slovenia.- Phytopathogenic Mollicutes 2011(1)2 p 65- 76. Online ISSN : 2249-4677. IndianJournals.com Delete the scoop?
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@EPPOnews, 17 Jan. 2012: A joint conference will be organised by QBOL project, the Dutch Plant Protection Service and the European and Mediterranean Plant Protection Organisation in Haarlem (the Netherlands) on 21/25 May 2012.
Preliminary program and preregistration details have been just published. The Quarantine organisms Barcode Of Life project (QBOL) seeks to generate DNA barcode information for vouchered specimens of quarantine pests and form a publically available database. Speakers at the conference are invited to givel oral or poster presentations regarding diagnostic methods in the different sessions and to contribute to development of a new diagnostic tool using DNA barcoding to identify quarantine organisms in support of plant health. Delete the scoop?
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The Ralstonia solanacearum species complex causes economically significant diseases in many plant families worldwide. Although generally limited to the tropics and subtropics, strains designated race 3 biovar 2 (R3Bv2) cause disease in cooler tropical highlands and temperate regions. Beside real-time PCR new testing methods are presented. Youngsil Ha et al. (2012) A Rapid, Sensitive Assay for Ralstonia solanacearum Race 3 Biovar 2 in Plant and Soil Samples Using Magnetic Beads and Real-Time PCR, Plant Disease, Volume 96, Issue 2, Page 258-264, February 2012. http://dx.doi.org/10.1094/PDIS-05-11-0426 Comment: Ralstonia solanacearum is a quarantine pest in Europe, USA and Canada. Its race 3 causes brown rot of potatoes. Delete the scoop?
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