English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/11026
Share/Impact:
Statistics
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Title

Host-parasite relationships in fall-sown sugar beets infected by the stem and bulb nematode, Ditylenchus dipsaci

AuthorsCastillo, Pablo ; Vovlas, Nicola; Azpilicueta, Andrea; Landa, Blanca B. ; Jiménez-Díaz, Rafael M.
KeywordsEmerging disease
Histopathology
Phenotypic and molecular diagnosis
Issue DateJan-2007
PublisherAmerican Phytopathological Society
CitationPlant Disease; Volume 91, Number 1, Pages 71-79
AbstractStunted growth of fall-sown sugar beets (Beta vulgaris) associated with high incidence of crownroot infections and large soil infestations by Ditylenchus dipsaci were observed at the end of the crop growing season in southern Spain by early June 2005. The largest proportion (75%) of the nematode life-stages in plant and soil was the fourth-stage juvenile. The large number (up to 3,750 nematodes per gram of fresh tissue) of D. dipsaci individuals and severe anatomical alterations observed in storage sugar beet roots suggest that the stem and bulb nematode is the causal agent of the impaired growth of sugar beets observed in commercial fields. Observed morphological traits of nematode specimens and results of specific polymerase chain reaction (PCR) and phylogenetic analyses confirmed that the population of D. dipsaci infecting sugar beet belongs to the normal (nongiant) biological type of the nematode. Results of host-range bioassays indicated that the population of D. dipsaci infecting sugar beet in southern Spain reproduces on pea (including seeds and pods), onion, potato, spinach, and tomato, but not on bean, cotton, maize, and tobacco. These results indicate that D. dipsaci may be an important constraint for sugar beet crops in the affected area, but also for other important crops commonly used in rotation with them.
Publisher version (URL)http://dx.doi.org/10.1094/PD-91-0071
URIhttp://hdl.handle.net/10261/11026
DOI10.1094/PD-91-0071
ISSN0191-2917
Appears in Collections:(IAS) Artículos
Files in This Item:
There are no files associated with this item.
Show full item record
Review this work
 

Related articles:


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.