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Friday, August 7, 2020 | History

3 edition of Aphid-plant genotype interactions found in the catalog.

Aphid-plant genotype interactions

Aphid-plant genotype interactions

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Published by Elsevier, Distributors for the U.S. and Canada, Elsevier Science Pub. in Amsterdam, Netherlands, New York, New York, NY, U.S.A .
Written in English

    Subjects:
  • Aphididae -- Host plants -- Congresses.,
  • Insect-plant relationships -- Congresses.

  • Edition Notes

    Statement[edited by] R.K. Campbell and R.D. Eikenbary.
    ContributionsCampbell, R. K., Eikenbary, Raymond D., International Congress of Entomology (18th : 1988 : Vancouver, B.C.)
    Classifications
    LC ClassificationsSB945.A5 A63 1990
    The Physical Object
    Paginationviii, 378 p. :
    Number of Pages378
    ID Numbers
    Open LibraryOL1875234M
    ISBN 10044488257X
    LC Control Number90035191

    These, and many more questions, are addressed in 'Aphid-Plant Genotype Interactions', which is a compilation of the contributions presented at a symposium during the XVIII International Congress of Entomology, Vancouver, Canada in It consists of 22 specialised up to date review articles. Genotype x environment interactions, leading to inconsistency of best-yielding material across cropping environments, challenges plant breeders and complicates cultivar recommendation. However, it may also offer opportunities, e. g. raising yields through material specifically adapted to a given area or crop management practice, or limiting yield reduction in unfavourable years through the.

    Aphids are important herbivores of both wild and cultivated plants. Plants rely on unique mechanisms of recognition, signalling and defence to cope with the specialized mode of phloem feeding by aphids. Aspects of the molecular mechanisms underlying aphid-plant interactions are beginning to be under . Black bean aphid, Aphis fabae (Homoptera; Aphididae) is a serious pest causing crop loss. Plant-aphid interaction is a dynamic system subjected to continual variation and changes. Host plants induce various biochemical and physical defense mechanisms due to aphid feeding. Aphids can overcome plant defenses by enzymatic adaptations and sequestering secondary metabolites produced by the plant.

    Abstract: Little is known about the mechanisms by which plant genotype shapes arthropod community structure. In a field experiment, we measured the effects of milkweed (Asclepias syriaca) genotype and ants on milkweed arthropods. Populations of the ant‐tended aphid Aphis asclepiadis and the untended aphid Myzocallis asclepiadis varied eight‐ to 18‐fold among milkweed genotypes, depending. genotype also modified ant-aphid interactions, influencing the num-ber of ants attracted per Aphis and Myzocallis. While ant effects on Myzocallis were consistently negative, effects on Aphis ranged from antagonistic to mutualistic among milkweed genotypes. As a con-sequence of milkweed effects on ant-aphid interactions, ant abun-.


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Aphid-plant genotype interactions Download PDF EPUB FB2

Aphid-plant genotype interactions. This book contains 23 chapters, the majority of which are based on papers presented at a symposium during the XVIII International Congress of Entomology entitled 'Mechanisms of Aphid-Plant Genotype Interactions' held at Vancouver, British Columbia, Canada, on 5.

Both the total number of brown aphids and the clustering of the brown aphids were found to be influenced by a complex four-way interaction among host-plant genotype, Rhinanthus treatment, its own genotype, and the genotype of the competing green aphid (aphid number: Χ 2 =df = Aphid-plant genotype interactions book, P = ; aphid clustering: Χ 2 =df = 10, P Cited by: Aphid-Plant genotype interactions-perspective (H.F.

van Emden). Ecological interactions of aphids and their host plants (A.F.G. Dixon). Aphid host plant ecology: The bird cherry-oat aphid as a model (S. Wiktelius et al). Experimental studies on Aphid-plant genotype interactions book aphid life-cycle patterns and the hybridization of two sibling species (G.X.

Zhang, T.S. Zhong). Both the total number of brown aphids and the clustering of the brown aphids were found to be influenced by a complex four‐way interaction among host‐plant genotype, Rhinanthus treatment, its own genotype, and the genotype of the competing green aphid (aphid number: Χ 2 =df = 10, P = ; aphid clustering: Χ 2 =df = 10 Cited by: Within the two host-plant diversity levels, aphid spatial distribution was influenced by an interaction among the aphid's own genotype, the genotype of a competing aphid, the origin of the.

Aphid-Plant Genotype Interactions. Edited by R. Campbell and R.D. Eikenbarry. Elsevier, Amsterdam, Hard Cover ISBN X pp. Both the total number of brown aphids and the clustering of the brown aphids were found to be influenced by a complex four-way interaction among host-plant genotype, Rhinanthus treatment, its own genotype, and the genotype of the competing green aphid (aphid number: Χ 2 =df = 10, P = ; aphid clustering: Χ 2 =df = 10, P.

The nature and extent of symptoms caused by aphid infestation vary widely depending upon the aphid and plant in question ().Gall-forming aphids, of which there are over species, represent an extreme example of aphids’ ability to modify host plant morphology [1, 14].More common symptoms of aphid infestation include chlorosis, necrosis, wilting, stunting, and malformation of new.

Abstract Aphid–plant interactions depend on genotypes of both organisms, which determine the two-way molecular exchange that leads to compatible or incompatible outcomes. The underlying genes are mostly unknown, making it difficult to predict likelihood of aphid success or host resistance, and hampering crop genetic improvement.

In a cottonwood (Populus) hybrid zone, Chaitophorus aphids attract aphid-tending ants which subsequently reduce herbivory by the leaf-feeding beetle, Chrysomela confluens. Observations and experimental manipulations of aphids and beetle larvae on immature cottonwood trees demonstrated that: 1) via their recruitment of ants, aphids reduced numbers of beetle eggs and larvae on the host; 2).

As pointed out before, aphids are confronted with a number of constraints which determine the degree of access to the food supplies. There must be a number of plant factors responsible for the specificity of the aphid/plant interaction.

One of the selection criteria must be the length and diameter of the stylet: SEs must be in reach of the stylet. Part of the Series Entomologica book series (SENT, volume 49) Abstract A number of economically important aphid species exhibit the genetic capability to respond to selection pressure, thus forming new, more virulent biotypes, that are capable of overcoming previously resistant host germplasm and/or making species-level shifts in host range.

ELS EVIER Agriculture, Ecosystems and Environment 52 () 3-I 1 Agriculture Ecosystems & Environment Host plant-Aphidophaga interactions Helmut Fritz van Emden Department of Horticulture and Landscape, School of Plant Sciences, University of Reading, Whiteknights, Reading RG6 2AS, UK Abstract Allelochemicals in the host plant can affect natural enemies adversely through.

Aphid establishes colony in the selective plant parts like vine, leaf petiole, leaflet, inflorescence, and tender fruit in Dolichos lablab Linn but not the entire plant. In this study, the aphid colony establishment in vine is focused to understand the differential resistance response between two varieties.

At the early stage of aphid infestation, the aphid colony establishment was. The dependency of context implies that interactions are influenced not only by species and/or genotype but also by the state of resources and the physiological state and phenology of the responding plant (Barton & Koricheva ).

Each interaction may modify another interaction in an ecosystem, and therefore, we cannot consider these individual. ABSTRACT. This study is the first to identify the effects of FTO genotype on the interactions between the level of macro-nutrients intake and the expression level of fat mass and obesity associated (FTO) and homeobox transcription factor iriquois-3 (IRX3) genes This longitudinal study was carried out on 84 overweight and obese adolescent boys in Tehran, Iran.

Blackman, R.L. () Specificity in aphid/plant genetic interactions, with particular attention to the role of the alate coloniser. In Campbell, R.K. & Eikenbary, R.D.

(Eds) Aphid-Plant Genotype Interactions. Our Genes, Our Choices: How Genotype and Gene Interactions Affect Behavior ― First Prize winner of the BMA Medical Book Award for Basic and Clinical Sciences ― explains how the complexity of human behavior, including concepts of free will, derives from a relatively small number of genes, which direct neurodevelopmental sequence.

Are people free to make choices, or do genes Reviews: 1. Aphid - Plant Genotype Interactions. Amsterdam: Elsevier; pp. 88– Tjallingii WF. Sieve element acceptance by aphids. Eur J Entomol. ; – Loon JJA, Wang CZ, Nielsen JK, Gols R, Qiu YT. Flavonoids from cabbage are feeding stimulants for diamondback moth larvae additional to glucosinolates: chemoreception and behaviour.

Genotype × environment interactions can be classified into three broad types (i) “no” GEI, (ii) non-crossover interaction, and (iii) crossover interaction.

The number of environments (E) and the number of genotypes (G) determine the number of GEI possible and that, the higher the number of environments and genotypes the greater the number.

1. Elevated CO2 can alter plant physiology and morphology, and these changes are expected to impact diet quality for insect herbivores.

While the plastic responses of insect herbivores have been well.Here, we used genome-wide gene expression profiling of aphid susceptible, antibiotic, and antixenotic genotypes to investigate the underlying aphid–plant interaction mechanisms.

The high expression correlation between infested and non-infested genotypes indicated that the response to aphid was controlled by a small subset of genes.In RK Campbell, RD Eikenbary, eds, Aphid-Plant Genotype Interactions. Elsevier, New York, pp 89–99 Elsevier, New York, pp 89–99 Tsuji J, Jackson EP, Gage DA, Hammerschmidt R, Somerville SC () Phytoalexin accumulation in Arabidopsis thaliana during the hypersensitive reaction to Pseudomonas syringae pv syringae.