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Association ofBactericera cockerelli (Homoptera: Psyllidae) with “Zebra Chip,” a New Potato Disease in Southwestern United States and Mexico
Experiments conducted to elucidate the association between the psyllidBactericera cockerelli (Sulc) (Homoptera: Psyllidae) and zebra chip by exposing clean potato plants to this insect under greenhouse and field conditions indicated that there was an association between.
Whole genome characterization of Potato virus Y isolates collected in the western USA and their comparison to isolates from Europe and Canada
This is the first confirmation by whole-genome sequencing that “European”-type strain variants of PVYN and PVYNTN are present in North America, and the first reported full-length sequence of a tuber necrotic isolate of PVyn:O.
Potato zebra chip disease: a phytopathological tale.
The history of this disease, symptomatology, hosts, distribution, and the recent association of an insect-transmitted bacterium with the ZC disease of potato and diseases of other solanaceous crops in multiple locations worldwide are examined.
Further Evidence that Zebra Chip Potato Disease in the Lower Rio Grande Valley of Texas is Associated with Bactericera cockerelli
Control exposure and exclusion field experiments in the Lower Rio Grande Valley of Texas indicated that there was a strong association between the potato psyllid and ZC, and plants exposed to psyllids developed typical ZC symptoms in both raw tubers and fried chips.
First Report of 'Candidatus Liberibacter psyllaurous' in Potato Tubers with Zebra Chip Disease in Mexico.
- J. Munyaneza, V. G. Sengoda, J. Crosslin, G. De la Rosa-Lozano, A. Sánchez
- Biology, MedicinePlant disease
- 6 April 2009
To investigate whether liberibacter is associated with ZC in México, 11 potato tuber samples exhibiting strong ZC symptoms and six asymptomatic tubers were collected from a ZC-affected commercial potato field near Saltillo City, Coahuila, MéxICO in September 2008 and tested for this bacterium by PCR.
Identification of a Fourth Haplotype of Bactericera cockerelli (Hemiptera: Triozidae) in the United States
High-resolution melting analyses identified this new haplotype using an amplicon generated from a portion of the B. cockerelli mitochondrial cytochrome c oxidase subunit I gene, and Sequencing of this gene, as well as use of a restriction enzyme assay, confirmed the identification of the novel B. coconutrelli haplotype in the United States.
First Report of the Necrotic Strain of Potato virus Y (PVYN) on Potatoes in the Northwestern United States.
Results of RT-PCR tests using primers derived from the P1 ORF sequence, and the restriction enzyme analysis and sequencing of the RT- PCR products, all suggest that AL1 and RR1 are related to European-type members of PVY tuber necrotic (NTN) or N strains.
High Resolution Melting Analysis of the Cytochrome Oxidase I Gene Identifies Three Haplotypes of the Potato Psyllid in the United States
High resolution melting analysis of the B. cockerelli mitochondrial Cytochrome C Oxidase subunit I-like gene suggests that at least three potato psyllid haplotypes exist in the United States, correlating to the Central, Western, and Northwestern United States geographical regions.
Phenotypic and Etiological Differences Between Psyllid Yellows and Zebra Chip Diseases of Potato
- V. G. Sengoda, J. Munyaneza, J. Crosslin, J. Buchman, H. Pappu
- BiologyAmerican Journal of Potato Research
- 1 February 2010
Although an association between liberibacter and ZC has been established, no pathogen is yet associated with potato psyllid yellows and mechanisms by which psyllID yellows symptoms are induced by the potato psyLLid remain unclear.
Seasonal Occurrence and Abundance of the Potato Psyllid, Bactericera cockerelli, in South Central Washington
The potato psyllid, Bactericera cockerelli Sulc, has recently been identified as a vector of Candidatus Liberibacter solanacearum, the putative causal agent of zebra chip potato disease, and has been observed and collected in this region.