The psyllid bactericera cockerelli was first reported in new zealand in 2006 and spread quickly throughout all potato growing regions. Candidatus liberibacter solanacearum is a pathogen transmitted by the potato psyllid bactericera cockerelli sulc hemiptera. Selection of reference genes for expression analysis in. Not only could a toxin secreted by nymphs results in serious phytotoxemia in some host plants, but also over the past few years b. Association of potato psyllid bactericera cockerelli.
In this study, we investigated the molecular interaction between ca. These wild hosts could potentially impact overwintering and breeding of the psyllids and serve as reservoirs for lso. In the model none of the main effects were significant. This bacterium infects the psyllid bactericera cockerelli and its solanaceous host plants potato and tomato, potentially resulting in psyllid yellowing. Investigation into the entry pathway for tomato potato psyllid bactericera cockerelli. Damage associated with candidatus liberibacter psyllaurous in. Insecta, hemiptera, psylloidea, triozidae common names. Although there are several reports of fungal pathogens in psyllids, there are none from b. They were then separately reared on tomato plants inside screened cages.
These bacterial species are transmitted by hemipteran psyllids. In 1910, crawford erected a new psyllid genus paratrioza crawford, 1910 and trioza cockerelli was assigned to this genus in 1911 crawford. Recently the tomato production has suffered economic losses of 70% to 80% due the presence of yellowing and floral abortion, whose causal agent has been attributed to the presence of phytoplasma. Candidatus liberibacter solanacearum lso has emerged as a serious threat worldwide. The role of lso a and b, transmitted by three haplotypes of b. Bactericera cockerelli checkyour cropsreport suspectedsightings monitoring guide 2. General information about bactericera cockerelli parzco.
A novel study of interactions of arabidopsis thaliana with. The tomatopotato psyllid tpp, bactericera cockerelli, is a vector for the phloemlimited bacterium candidatus liberibacter solanacearum lso, the causative agent of economically important. The fastidious nature of these pathogens has hindered the study. Bactericera cockerelli, known as the tomato potato psyllid tpp or the north american potato psyllid is a highly destructive pest of potato and a vector of the bacterium candidatus liberibacter solanacearum, which causes zebra chip disease. Triozidae has been a major pest of solanaceous crops for decades. The tomato potato psyllid, bactericera cockerelli sulc, 1909 hemiptera. This phloemlimited pathogen is transmitted to potato and other solanaceous plants by the potato psyllid, bactericera cockerelli hemiptera. Ecology and management of bactericera cockerelli and candidatus.
Morphometrics of eggs, nymphs, and adults of bactericera. The effects of 2 varieties of tomato, solanum lycopersicum l. Bactericera cockerelli sulc, a potential threat to chinas potato industry article pdf available in journal of integrative agriculture 192. Two haplotypes of the pathogen, candidatus liberibacter solanacearum, lso and four haplotypes of the insect vector, bactericera cockerelli, are associated with zebra chip disease of potato. Your use of this pdf, the bioone complete website, and all posted and associated content. This pathogen is the putative causal agent of zebra chip. Huanglongbing hlb is a bacterial disease associated with candidatus liberibacter asiaticus clas, candidatus liberibacter americanus, and candidatus liberibacter africanus. Host plantdependent hlb transmission and variation in psyllid. This pest is thus a threat to the chip potato industry and often. Bactericera is a psyllid bug genus in the family triozidae species. Horizontal transmission of candidatus liberibacter. Pdf bactericera paratrioza cockerelli sulc hemiptera.
In 2008, the insect was associated with a newtoscience pathogen, candidatus liberibacter solanacearum syn. Ecology and management of bactericera cockerelli and. Triozidae is a native american psyllid species that was first reported in new zealand in 2006. E b knockdown mortality, repellency, and residual effects. Haplotypes a and b are present in the americas andor new zealand, where they are vectored to solanaceous plants by the potato psyllid, bactericera cockerelli sulc hemiptera. Potato psyllid bactericera cockerelli is one of the most important pests in potatoes solanum tuberosum l.
Potatopsyllidsbactericera cockerelli are phloem feeding pests of solanaceous plants, such as potatoes, tomatoes, peppers, and have become a major limiting factor in the production of potatoes in both central and north america cnas 2006. The potato psyllid, bactericera cockerelli ulc, is a pest of potato, tomato, and some other solanaceous vegetables and has also been incriminated in the transmission of a bacterial pathogen, candidatus liberibacter solanacearum, resulting in a serious disease known as zebra chip. Haplotypes of the potato psyllid, bactericera cockerelli. For many years, this disease has caused substantial damage to citrus around the world and. Thomas kl, jones dc, kumarasinghe lb, richmond je, gill gsc, bullians ms 2011. Bactericera cockerelli is found primarily on plants within the family solanaceae, but also attacks, and reproduces and develops on, a variety of cultivated and weedy plant species essig 1917, knowlton and thomas 1934, pletsch 1947, jensen 1954, wallis 1955, including crop plants such as the potato solanum tuberosum, tomato solanum. The life history parameters were studied for a western isolate of bactericera cockerelli sulc from a southern arizona commercial tomato greenhouse az 06 during 2006. Introduction tomato potato psyllid tpp, bactericera cockerelli sulc hemiptera, triozidae, is a major pest of solanaceous crops e. Seasonal occurrence and abundance of the potato psyllid. A brief history on the taxonomy and nomenclature of bactericera cockerelli was recently provided by butler and trumble 2012 b. Bactericera cockerelli bactericera cockerelli 20801 00. Whether disease severity or incidence is influenced by pathogen or insect haplotype is poorly understood.
Pdf bactericera cockerelli sulc, a potential threat to. Bactericera cockerelli is found primarily on plants within. Life history and life tables of bactericera cockerelli. Spatial distribution of nymphs populations bactericera. In the present study, we tested the use of irradiation, hydrogen peroxide h 2 o 2 and sudan black b sbb treatments to reduce the autofluorescence in the b. Bactericera cockerelli, also known as the potato psyllid, is a species of psyllid native to southern north america. The potato psyllid, bactericera cockerelli sulc hemiptera. Its range extends from central america north to the american pacific northwest and parts of manitoba. 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.
Life history of the potato psyllid bactericera cockerelli. Seasonal occurrence and abundance of the potato psyllid, bactericera cockerelli, in south central washington joseph e. Its control is based on application of insecticides which is unsatisfactory and needs an increase in the number of applications. Pdf from ipm technologies pty ltd about a new psyllid recently detected in australia. Lso haplotypes a and b are transmitted to plants in solanaceae by the potato psyllid bactericera cockerelli 12. Selection of reference genes for expression analysis in the potato psyllid, bactericera cockerelli. Quenching autofluorescence in the alimentary canal tissues. Knockdown mortality, repellency, and residual effects of insecticides for control of adult bactericera cockerelli hemiptera. A new huanglongbing species, candidatus liberibacter. Tomato potato psyllid tpp is an exotic pest with a wide host range, including tomatoes.
Potato psyllid bactericera cockerelli is an important pest of potato, tomato and pepper. Phenology of the potato psyllid, bactericera cockerelli. Selection of reference genes for expression analysis in the potato psyllid, bactericera cockerelli selection of reference genes for expression analysis in the potato psyllid, bactericera cockerelli ibanez, f tamborindeguy, c. Bactericera cockerelli plant preference for oviposition was examined with a model that included individual terms for the natal plant. The complete mitochondrial genome sequence of bactericera. Pdf movement of bactericera cockerelli in the new zealand. Bactericera cockerelli an overview sciencedirect topics. Triozidae is a native american psyllid species that was first reported in new. While some plants in the convolvulaceae solanales are also known hosts for b. Liberibacter solanacearum and the potato psyllid at the gut interface. Idaho is the leading potatoproducing state in the united states, accounting for about 30% of the national acreage taylor et al.
The potato psyllid, bactericera cockerelli sulc ho. No evidence of apoptotic response of the potato psyllid. Furthermore, we assessed the compatibility of the above. Specifically, we focused on the apoptotic response of potato psyllids to the. Zebra chip is causing millions of dollars in losses to the potato industry in the united states, mexico, central america, and.
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