Publications

a new huanglongbing species, "candidatus liberibacter psyllaurous," found to infect tomato and potato, is vectored by the psyllid bactericera cockerelli (sulc).	a new huanglongbing (hlb) "candidatus liberibacter" species is genetically characterized, and the bacterium is designated "candidatus liberibacter psyllaurous." this bacterium infects the psyllid bactericera cockerelli and its solanaceous host plants potato and tomato, potentially resulting in "psyllid yellowing." host plant-dependent hlb transmission and variation in psyllid infection frequencies are found.	2008	18676707
association of bactericera cockerelli (homoptera: psyllidae) with "zebra chip," a new potato disease in southwestern united states and mexico.	a new defect of potato, solanum tuberosum l., "zebra chip," so named for the characteristic symptoms that develop in fried chips from infected potato tubers, has recently been documented in several southwestern states of the united states, in mexico, and in central america. this defect is causing millions of dollars in losses to both potato producers and processors. zebra chip plant symptoms resemble those caused by potato purple top and psyllid yellows diseases. experiments were conducted to el ...	2007	17598522
ovipositional preferences, damage thresholds, and detection of the tomato-potato psyllid bactericera cockerelli (homoptera: psyllidae) on selected tomato accessions.	the tomato-potato psyllid bactericera [paratrioza] cockerelli (sulc) has recently caused losses exceeding 50% on fresh market tomatoes in california and baja, mexico by injecting a toxin that results in a condition known as 'psyllid yellows'. the objectives of this study were to: (i) document oviposition preferences on a range of tomato cultivars; (ii) determine threshold levels for psyllid densities that would cause psyllid yellows on tomatoes within the first three weeks following transplantin ...	2006	16556341
tomato psyllid behavioral responses to tomato plant lines and interactions of plant lines with insecticides.	adult tomato psyllid, bactericerca (paratrioza) cockerelli (sulc) (homoptera: psyllidae), behavioral responses were evaluated for five tomato plant lines and for the interactions of insecticides with four commercial cultivars. plant lines tested included the commercial 'shady lady', 'yellow pear', '7718 vfn', 'qualit 21', and the plant introduction line pi 134417. insecticides included a kaolin particle film, pymetrozine, pyriproxyfen, spinosad, and imidacloprid. psyllids spent significantly mor ...	2004	15279294