2 edition of parasite complex of the pea aphid, Acyrthosiphon pisum (Harris) on alfalfa in western Oregon found in the catalog.
parasite complex of the pea aphid, Acyrthosiphon pisum (Harris) on alfalfa in western Oregon
Alfred Gordon Dickie
Written in English
|Statement||by Alfred Gordon Dickie.|
|The Physical Object|
|Pagination||99 leaves, bound :|
|Number of Pages||99|
Datasheet Type(s): Host Plant, Exclude from ISC. With over 6 million acres planted annually, winter wheat is the most important agronomic crop produced in Oklahoma. Winter wheat is critically important to the agriculture and economy of the region, and as a whole is regularly afflicted by insect pests. In particular, cereal aphids and Hessian flies are key pests around which IPM programs have been centered.
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However, aphid reproduction is often more complex than this and involves migration between different host plants. In about 10% of species, there is an alternation between woody (primary hosts) on which the aphids overwinter and herbaceous (secondary) host plants, Class: Insecta.
The pea aphid Acyrthosiphon pisum Harris sensu lato, in effect a host plant Acyrthosiphon pisum book complex (s ee below), is a plant parasite that feeds by penetrating the ho s parasite complex of the pea aphid ’ s l ea v e s o r s te m w it.
in a well-studied model, the pea aphid complex, Acyrthosiphon pisum, which encom- passes numerous biotypes that parasitise different legume host species worldwide.
Aphids display extraordinary developmental plasticity in response to environmental cues. These differential responses to environmental changes may be due in part to changes in gene expression patterns.
To understand the molecular basis for aphid parasite complex of the pea aphid plasticity, we attempted to identify the chromatin-remodelling machinery in the recently sequenced pea aphid by: The pea aphid Acyrthosiphon pisum has differential escape responses to predator attack (dropping or not dropping off the plant) (Schuett et al., ).
Different aphid clones expressed different phenotypes (dropper, nondropper, and inconsistent). Individuals within a clone dropped or did not drop.
Pathogen, Pest, Parasite and Weed Management (General) - (HH) The pea aphid complex as a model of ecological speciation. Author(s): Peccoud, the pea aphid complex, Acyrthosiphon pisum acyrthosiphon pisum Subject Category: Organism Names see more details, Cited by: The pea aphid, Acyrthosiphon pisum, supports a broad range of Acyrthosiphon pisum book endoparasites parasite complex of the pea aphid to two hymenopteran families, Aphidiidae and Aphelinidae.
Although many of these parasites can successfully develop in all the nymphal stages and in adult aphids, parasitism of different host stages and morphs has variable consequences for parasite. The pea aphid Acyrthosiphon pisum displays a colour polymorphism, which influences their susceptibility to natural enemies.
Ladybird beetles tend to consume red beetles that are easier to detect on green plants, while parasitoid wasps preferentially attack green aphids (Losey et al., ).Cited by: Some aphid species have unusual and complex reproductive adaptations, while others have fairly simple reproduction.
Adaptations include having both sexual and asexual reproduction, creation of eggs or live nymphs and switches between woody and herbaceous types of host plant at different times of the year.
[Note 2]Only females are present in the population (although, a few species of aphids Class: Insecta. To independently confirm the association of VPS52 with Mp1 in planta, we cloned StVPS52 and AtVPS52 into expression vectors with N-terminal epitope tags, Acyrthosiphon pisum book well as Ap1, an Mp1-like effector from the aphid species (pea Acyrthosiphon pisum book.
Coexpression of GFP-StVPS52 or GFP-AtVPS52 with FLAG-Mp1 or FLAG-Ap1 in miana, followed by immunoprecipitation using GFP-trap Cited by: The silks of certain corn lines resistant to the TABLE 1 Range of Differences in Antibiosis Average Progeny per Insect and Crop3 Female Aphid per Day* Corn leaf aphid, Rhopalosiphum maidis (Fitch) Sudan (R) White Martin sorghum (S) Pea aphid, Acyrthosiphon pisum (Harris) Alfalfa plant No.
5 (R) Alfalfa plant No. 2 (S) The pea parasite complex of the pea aphid (Acyrthosiphon pisum) is known to contain at least three secondary endosymbionts, Hamiltonella defensa, Regiella insecticola, and Serratia onella defensa defends its aphid host from parasitoid wasps. This defensive symbiosis improves the survival of aphids, which have lost some elements of the insect immune response.
The pea aphid, Acyrthosiphon pisum, harbors at least seven common heritable symbionts that mediate a range of ecological interactions and has emerged as a model for studies of beneficial symbionts.
One common pea aphid defensive symbiont, Hamiltonella defensa, protects against parasitic wasps, which are important natural by: For example, in the pea aphid, Acyrthosiphon pisum Harris, the host-adapted red and green forms of the aphid appear to be under differential host related predator and hymenopterous parasitoid pressure, this thereby governing the ability of these colour forms to switch hosts within the by: 3.
Sandström and J. Pettersson, Amino acid composition of phloem sap and the relation to intraspecific variation in pea aphid (Acyrthosiphon pisum) performance, Journal of Insect Physiology, /(94), 40, 11, (), ().Cited by: Fitness costs of infection with Serratia symbiotica are associated with greater susceptibility to insecticides in the pea aphid Acyrthosiphon pisum Skaljac, M.; Kirfel, P.; Grotmann, J.; Vilcinskas, A.
Journal Article: Gene silencing in Tribolium castaneum as a tool for the targeted identification of candidate RNAi targets in crop pests. However, there are exceptions to this: Buchnera in populations of the pea aphid, Acyrthosiphon pisum, display a polymorphism in the promoter of the heat shock gene ibpA, which determines their performance under different thermal conditions, which may in turn affect population and community by: Plant sugar is an essential dietary constituent for mosquitoes, and hemipteran honeydew is one of the many forms of plant sugar that is important to mosquitoes.
Many insects rely on volatile honeydew semiochemicals to locate aphids or honeydew itself. Mosquitoes exploit volatile semiochemicals to locate sources of plant sugar but their attraction to honeydew has not previously been by: 3.
'The secreted salivary proteome of the pea aphid Acyrthosiphon pisum characterised by mass spectrometry' Carolan J.;Fitzroy C.;Ashton P.;Douglas A.;Wilkinsonl T.
() 'The secreted salivary proteome of the pea aphid Acyrthosiphon pisum characterised by mass spectrometry'. Proteomics, 9 (9) Frontiers People highlights some of the most notable researchers worldwide, widely recognized for their outstanding contributions in their different areas of expertise.
In line with the Frontiers vision of spreading research knowledge across the world, the purpose of such a prestigious register is to promote an international forum for collaborations, research networking and peer reference.
Projects range in scale from the investigation of molecular mechanisms of symbiont-based protection to symbiont effects on community ecology. Our work is focused mostly on aphids, including the pea aphid, Acyrthosiphon pisum, which has emerged as an important model for symbiosis studies, especially understanding phenotypes associated with.
5. Rickettsia as symbionts of herbivorous arthropods. A number of Rickettsia that appear closely related to R. bellii are symbionts of herbivorous arthropods (figure 1), with the best-studied being the Rickettsia infecting the pea aphid Acyrthosiphon pisum, referred to as PAR (pea aphid Rickettsia).Beside their primary obligate nutritional symbiont Buchnera aphidicola, pea aphids harbour Cited by: Full Text; PDF ( K) PDF-Plus ( K) Citing articles; Aphid parasitoids in biological control.
Guy Boivin, 1 2 Thierry Hance, 3 Jacques Brodeur 4 1 Horticultural Research and Development Centre, Agriculture and Agri-Food Canada, Boulevard Gouin, St-Jean-sur-Richelieu, Quebec, Canada J3B 3E6. 2 Department of Natural Resource Sciences (Entomology), Macdonald Campus of Cited by: Competition between native and introduced parasitoids of the pea aphid: implications for non-target effects and biological control.
Ecology *Snyder, W. E., and A. Ives. Interactions between specialist and generalist natural enemies: parasitoids, predators, and pea aphid biological control.
Ecology The material and content contained in the Greenbook label database is for general use information only. Agworld and Greenbook do not provide any guarantee or assurance that the information obtained through this service is accurate, current or correct, and are therefore not liable for any loss resulting, directly or indirectly, from reliance upon this service.
Wohlers, P. () Effects of the alarm pheromone (E)-/3-farnesene on dispersal behavior of the pea aphid Acyrthosiphon pisum.
Ent. exp. appl., 29, – CrossRef Google ScholarCited by: Evaluation of phenology models using field data: Case study for the pea aphid, Acyrthosiphon pisum and the blue alfalfa aphid Acyrthosiphon kondoi (Homoptera: Aphididea).
Environ. Ent. l Jones AK, del Villar SG, 'Cloning and functional characterisation of the duplicated RDL subunits from the pea aphid, Acyrthosiphon pisum' International Journal of Molecular Sciences 19 (8) () ISSN: eISSN: For instance, in the U.S.A., the pea aphid Acyrthosiphon pisum is parasitized by the hymenopteran Aphidius ervi and is specialized on different plant species.
Hufbauer & Via [ 23 ] observed that pea aphids that are specialized on alfalfa are successfully parasitized less often than are pea aphids specialized on by: Ashford D A, Smith W A, Douglas A E.
Living on a high sugar diet: the fate of sucrose ingested by a phloem-feeding insect, the pea aphid Acyrthosiphon pisum. Insect Physiol. Crossref, Medline, Google by: Whole genome sequence of the soybean aphid, Aphis glycines. Aphids are emerging as model organisms for both basic and applied research.
Of the 5, estimated species, only three aphids have published whole genome sequences: the pea aphid Acyrthosiphon pisum, the Russian wheat aphid, Diuraphis noxia, and the green peach aphid, Myzus persicae. The recent sequencing of the genome of the pea aphid A.
pisum allowed the identification and annotation of all the genes encoding OBPs. In total 15 genes encoding such proteins are reported, but for two of them (OBP14 and OBP15) the partial sequences published are too short to allow their assignment to the OBP family . Aphid. Aphids are small sap-sucking insects and members of the superfamily Aphidoidea.
 relations: Adalia bipunctata, Adelgidae, Adenosine triphosphate, Aeroplankton, Aggressive mimicry, Agriculture, Alate, Allomone, Amber, American goldfinch, American Museum Novitates, American Society of Plant Biologists, Animal, Annual Reviews. of herbivorous insects. Work on pea aphids (Acyrthosiphon pisum) has contributed significantly to the understanding of this process, demonstrating that populations associated with different host plants exhibit performance trade-offs across hosts, show adaptive host choice and genetic differentiation.
Review of Aphidiinae parasitoids (Hymenoptera: Braconidae) of the Middle East and North Africa: key to species and host associations In this study, a total of Aphidiinae species, belonging to 18 genera, associated with aphid species in 16 countries of the Middle East and North Africa are reviewed.
host aphid-parasitoid associations Author: Ehsan Rakhshani, Hossein Barahoei, Zubair Ahmad, Petr Starý, Mostafa Ghafouri-Moghaddam, Mohsen Mehr. Consistent with early dietary studies of aphids, Nakabachi & Ishikawa () found that the pea aphid Acyrthosiphon pisum could be maintained on chemically‐defined diets lacking riboflavin; in fact, they performed slightly better on the riboflavin‐free diet than the diet with the riboflavin supplement.
When the symbiotic bacteria were Cited by: Publications. Contact. More. Publications. Journal Articles *: these authors contributed equally to this work. Will, T., H. Schmidtberg, M. Skaljac & A. Vilcinskas Heat shock protein 83 plays pleiotropic roles in embryogenesis, longevity and fecundity of the pea aphid Acyrthosiphon pisum.
Development, Genes and Evolution The heritable symbiont Hamiltonella defensa protects the aphid Acyrthosiphon pisum from attack by the parasitoid Aphidius ervi by killing developing wasp larvae.
In a controlled genetic background, we show that a toxin-encoding bacteriophage is. Full text of "Pesticides documentation bulletin" See other formats.
Abstract— To see the impact of insecticide vegetable oil (Neem) on pdf of the green alfalfa, we conducted tests to compare with the synthetic product Malyphos most used by farmers in our region.
A number of Rickettsia that appear closely related to R. bellii are symbionts of herbivorous arthropods, with the best-studied being the Rickettsia infecting the pea aphid Acyrthosiphon pisum, referred to as PAR (pea aphid Rickettsia).Cited by: The ebook aphid A. pisum possessed the highest number of treh gene copies with 13 treh genes, followed by Aethina tumida (Coleoptera: Nitidulidae) with 11 treh genes and the two aphid species D.
noxia and M. persicae with 8 treh copies, respectively (Table 1 and Supplementary Table S1).Cited by: 3.