This section contains free e books and guides on bacteriology, some of the resources in this section can be viewed online and some of them can be downloaded. Persistent transmission involves critical steps of adhesion, cell invasion, and replication. In this study, we evaluated volatile organic compound voc emissions from the headspace in three healthy varieties of. Identification and expression analysis of aquaporins in. Three of these haplotypes central, western, and northwestern are common on potato crops within the major potatogrowing regions of. Genetic differentiation between eastern populations and recent introductions of potato psyllid bactericera cockerelli into western north america. The potato psyllid, bactericera cockerelli sulc, vectors the pathogen candidatus liberibacter solanacearum lso, causal agent of zebra chip disease of potato.
Understanding the process of transmission of clso by psyllids is fundamental to devise sustainable management strategies. Bactericera cockerelli, also known as the potato psyllid, is a species of psyllid native to southern north america. It is restricted to the western part of the continent. Smith egg, first, and second larval instars was evaluated using tomato solanum lycopersicum l. Four genetic haplotypes of the psyllid have been identified in north america. Department of agriculture, agricultural research service, 5230 konnowac pass rd. Bactericera cockerelli sulc is an important pest of solanaceous crops and a vector of the pathogen candidatus liberibacter solanacearum.
We quantified the biology and life table parameters of t. Pdf bactericera cockerelli sulc, a potential threat to. Triozidae on tomato under laboratory and field conditions in southern texas. Biology and management provides a comprehensive source of uptodate scientific information on the biology and management of insects attacking potato crops, with an international and expert cast of contributors providing its contents. Eulophidae is an important parasitoid of the potato psyllid, bactericera cockerelli sulc hemiptera. 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. Bactericera is a psyllid bug genus in the family triozidae. The rise and rise of bactericera cockerelli in potato crops in canterbury article pdf available in new zealand plant protection 68. Bactericera cockerelli sulc oviposition preference and development on three tomato varieties. The potatotomato psyllid, bactericera cockerelli sulc hemiptera. Rna interference towards the potato psyllid, bactericera. Identification of bactericera cockerelli aquaporins. Triozidae, nymph with wing buds and white psyllid sugars, the wax coated excess sap excreted. Genetic variation in bactericera cockerelli from mexico.
Bactericera cockerelli resistance in the wild tomato. Through a series of laboratory experiments we investigated their combined use. Among these pests is tomatopotato psyllid, bactericera cockerelli sulc hemiptera. The tomatopotato psyllid tpp, bactericera cockerelli, is a vector for the phloemlimited bacterium candidatus liberibacter solanacearum lso, the causative agent of economically important. Order homopteraaphids, leaf and planthoppers, psyllids and whiteflies.
Find support for a specific problem on the support section of our website. Triozidae, is an economic pest of solanaceous crops in north and central america, and in new zealand. Bactericera cockerelli, feeding on a potato and infects it with candidatus liberibacter solanacearum. The potatotomato psyllid, bactericera cockerelli b. Candidatus liberibacter solanacearum titer over time in. Previously, we reported induction of rna interference effects in b. Triozidae has recently emerged as a serious pest of potatoes and other solanaceous crops. Bactericera trioza cockerelli is known as the potatotomato psyllid, and, as its name implies, is a pest of both crops. Pdf movement of bactericera cockerelli heteroptera. Pdf the rise and rise of bactericera cockerelli in. Triozidae is a native american psyllid species that was first reported in new zealand in 2006. Life history of the potato psyllid bactericera cockerelli. Bactericera cockerelli is found primarily on plants within the family solanaceae.
The potato psyllid, bactericera cockerelli sulc hemiptera. Biological control of this pest has been attempted using either the parasitoid, tamarixia triozae burks, or the predatory bug, dicyphus hesperus knight, but never in combination. It causes direct feeding damage and also vectors candidatus liberibacter solanaceaerum lso, a pathogen that causes zebra chip disease in potatoes and which potentially costs growers millions of dollars each year. Pdf comparative biology and life tables of candidatus. Candidatus liberibacter solanacearum lso has emerged as a serious threat worldwide. Free bacteriology books download ebooks online textbooks. This pest is thus a threat to the chip potato industry and often. Bactericera cockerelli pdf download tomato potato psyllid, bactericera cockerelli hemiptera. Candidatus liberibacter solanacerum clso, transmitted by bactericera trigonica in a persistent and propagative mode causes carrot yellows disease, inflicting hefty economic losses.
Psyllidae in relation to potato canopy structure, and effects on potato tuber weights. Phenology of the potato psyllid, bactericera cockerelli. Pdf bactericera cockerelli sulc oviposition preference. The complete mitochondrial genome sequence of bactericera. 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. Assessment of tomato potato psyllid bactericera cockerelli hemiptera. In 2008, the insect was associated with a newtoscience pathogen, candidatus liberibacter solanacearum syn. The tomato psyllid bactericera cockerelli sulc hemiptera. Bactericera cockerelli apparently does not occur in the eastern states of the usa. Not only could a toxin secreted by nymphs results in serious phytotoxemia in some host plants, but also over the past few years b. Potato psyllid, bactericera cockerelli sulc hemiptera.
In 1910, crawford erected a new psyllid genus paratrioza crawford, 1910 and trioza cockerelli was assigned to this genus in 1911 crawford. For each candidate, the putative full length cds was amplified, cloned and sequenced. This pest can cause damage to crop plants by direct feeding and, as has been recently discovered, by transmitting the bacterial pathogen candidatus liberibacter psyllaurous a. Bactericera cockerelli sulc, a potential threat to china. A brief history on the taxonomy and nomenclature of bactericera cockerelli was recently provided by butler and trumble 2012. The potato psyllid bactericera cockerelli hemiptera. Effects of host plant on development and body size of. Triozidae is a pest on solanaceous vegetable crops. Historically, the psyllid was associated with psyllid yellows, a disease of unknown origin associated with feeding by nymphs. General information about bactericera cockerelli parzco.
Bactericera cockerelli an overview sciencedirect topics. Hodkinson skip to main content we use cookies to distinguish you from other users and to provide you with a better experience on our websites. Toxicity and residual activity of insecticides against. Its range extends from central america north to the american pacific northwest and parts of manitoba. How climate influences the biology and behaviour of phyllophaga capillata coleoptera. Potato psyllid bactericera cockerelli is one of the most important pests in potatoes solanum tuberosum l. Biological sciences environmental aspects health aspects hemipterans insectplant relationships research potatoes tomatoes distribution.
Several cultivated and wild plants are reported to serve as alternate hosts for b. Triozidae has been a major pest of solanaceous crops for decades. Comparative biology and life tables of candidatus liberibacter solanacearuminfected and free bactericera cockerelli hemiptera. Pdf genetic variation in bactericera cockerelli from mexico. The fastidious nature of these pathogens has hindered the study.
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