Mechanical Transmission of Citrus Viroids

Preliminary transmission assays conducted under greenhouse conditions demonstrated that Citrus exocortis viroid (CEVd), Citrus bent leaf viroid (CBLVd), Hop stunt viroid (HSVd), Citrus viroid III (CVd-III), and Citrus viroid IV (CVd-IV) can be mechanically transmitted from citron to citron (Citrus m...

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Veröffentlicht in:Plant disease. - 1997. - 89(2005), 7 vom: 02. Juli, Seite 749-754
1. Verfasser: Barbosa, C J (VerfasserIn)
Weitere Verfasser: Pina, J A, Pérez-Panadés, J, Bernad, L, Serra, P, Navarro, L, Duran-Vila, N
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article cachexia exocortis xyloporosis
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520 |a Preliminary transmission assays conducted under greenhouse conditions demonstrated that Citrus exocortis viroid (CEVd), Citrus bent leaf viroid (CBLVd), Hop stunt viroid (HSVd), Citrus viroid III (CVd-III), and Citrus viroid IV (CVd-IV) can be mechanically transmitted from citron to citron (Citrus medica) by a single slash with a knife blade. The impact of mechanical transmission of viroids by pruning and harvesting operations was also demonstrated in experimental and commercial field plots. Transmission efficiency under field conditions ranged from 4% in 'Nules' clementine to 10% in 'Navelina' sweet orange and 21% in 'Verna' lemon. Transmission efficiency varied only slightly with viroid and donor hosts. The impact of viroid transmission on tree height, canopy volume, and crop harvest was minimal. When the donor host was coinfected with several viroids, the viroids were not necessarily cotransmitted. Considerations regarding viroid transmission in other climates are discussed. Measures to control viroid spread in nurseries should be mandatory in certification programs 
650 4 |a Journal Article 
650 4 |a cachexia 
650 4 |a exocortis 
650 4 |a xyloporosis 
700 1 |a Pina, J A  |e verfasserin  |4 aut 
700 1 |a Pérez-Panadés, J  |e verfasserin  |4 aut 
700 1 |a Bernad, L  |e verfasserin  |4 aut 
700 1 |a Serra, P  |e verfasserin  |4 aut 
700 1 |a Navarro, L  |e verfasserin  |4 aut 
700 1 |a Duran-Vila, N  |e verfasserin  |4 aut 
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