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Insects
Special Issues
Plant Resistance Against Plant Viruses and Pests
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Plant Resistance Against Plant Viruses and Pests

A special issue of Insects (ISSN 2075-4450).

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 5200

Special Issue Editors

Dr. Torsten Will

E-Mail Website
Guest Editor
Institute for Resistance Research and Stress Tolerance Julius Kuehn Institute, Federal Research Centre for Cultivated Plants, Erwin-Baur-Straße 27, 06484 Quedlinburg, Germany
Interests: insect-plant and virus-plant interaction and tritrophic interaction; aphid behavior; intraspecific diversity of aphid species; plant resistance to insects with a focus on aphids
Dr. Therese Bengtsson

E-Mail Website
Guest Editor
Department of Plant Breeding, The Swedish University of Agricultural Sciences, 234 22 Lomma, Sweden
Interests: pre-breeding for resistance/tolerance towards biotic stress; plant-pathogen interactions; quantitative genetics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Pest insects do not only cause direct damage to plants through the withdrawal of nutrients but are also able to transmit viruses causing severe diseases in plants, e.g., affecting yield amount and quality. For a long time, the control of significant insect pests and plant viruses relied on the use of insecticides. Due to efforts to reduce the number of pesticides applied, e.g., by banning their use, it is necessary to place other components of integrated pest management in focus. Plant resistance to insects and viruses is one of these components. Here, we give an overview of recent advances in this field with a focus on the identification of resistance genes, molecular mechanisms of resistance, phenotyping of resistance, and the tritrophic interaction between viruses, their vectors, and host plants.

Dr. Torsten Will
Dr. Therese Bengtsson
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Insects is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plant resistance
  • plant breeding
  • phenotyping
  • genetic background of resistance
  • insect
  • virus
  • host plant

Published Papers (2 papers)

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Research

15 pages, 2141 KiB  
Article
Aphid Resistance in Pisum Affects the Feeding Behavior of Pea-Adapted and Non-Pea-Adapted Biotypes of Acyrthosiphon pisum Differently
by Mauricio González González, Jean Christophe Simon, Akiko Sugio, Arnaud Ameline and Anas Cherqui
Insects 2022, 13(3), 268; https://doi.org/10.3390/insects13030268 - 8 Mar 2022
Cited by 2 | Viewed by 2633
Abstract
Resistant genotypes of crops have emerged as an alternative and sustainable solution to pesticide use against pest insects. The resistance depends on the genetic diversity of the host plant and the pest species and can cause an alteration of the insect behavior. The [...] Read more.
Resistant genotypes of crops have emerged as an alternative and sustainable solution to pesticide use against pest insects. The resistance depends on the genetic diversity of the host plant and the pest species and can cause an alteration of the insect behavior. The aim of this work was to characterize the resistance level of different Pisum genotypes (one P. fulvum and five P. sativum genotypes) to two biotypes of the aphid Acyrthosiphon pisum, respectively adapted to pea and alfalfa, by measuring the individual aphid weight and analyzing aphid feeding behavior by electropenetrography (EPG). Aphid body mass was influenced by Pisum genotypes reflecting variation in their resistance level. P. fulvum was the most resistant to the A. pisum pea biotype (ArPo28 clone) and showed intermediate resistance to the A. pisum alfalfa biotype (LSR1 clone). The resistance levels of the five P. sativum genotypes to the two aphid biotypes were variable and more pronounced for the alfalfa biotype. EPG data showed that ArPo28 on P. fulvum and LSR1 on all the Pisum genotypes spent shorter time phloem feeding compared to ArPo28 on P. sativum genotypes, indicating that the resistance of Pisum genotypes to non-adapted A. pisum resides in mesophyll and phloem cells. In the meantime, ArPo28 on P. sativum genotypes with a different level of resistance spent a similar length of time phloem feeding, indicating that the quality of phloem sap of the resistance genotypes may not be optimal for the aphid. The study indicated that the resistance of Pisum genotypes to the two A. pisum biotypes involves different genetic factors and mechanisms that affect the aphid differently. Full article
(This article belongs to the Special Issue Plant Resistance Against Plant Viruses and Pests)
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10 pages, 845 KiB  
Article
Poor Host Status of Australian Finger Lime, Citrus australasica, to Ceratitis capitata, Zeugodacus cucurbitae, and Bactrocera dorsalis (Diptera: Tephritidae) in Hawai’i
by Peter A. Follett, Glenn Asmus and Lindsey J. Hamilton
Insects 2022, 13(2), 177; https://doi.org/10.3390/insects13020177 - 8 Feb 2022
Cited by 2 | Viewed by 1930
Abstract
We examined the host status of the Australian finger lime, Citrus australiasica F. Muell. (Rutaceae), to Hawai’i’s tephritid fruit fly pests using laboratory and field studies. In high-density (500 flies, 1:1 males and females) no-choice cage exposures (25 × 25 × 25-cm cage [...] Read more.
We examined the host status of the Australian finger lime, Citrus australiasica F. Muell. (Rutaceae), to Hawai’i’s tephritid fruit fly pests using laboratory and field studies. In high-density (500 flies, 1:1 males and females) no-choice cage exposures (25 × 25 × 25-cm cage size), both undamaged and punctured finger limes were infested by Ceratitis capitata and Zeugodacuscucurbitae at a low rate compared to papaya controls, whereas Bactrocera dorsalis did not infest undamaged fruit, suggesting finger lime is a nonhost. In low-density (50 females) no-choice cage exposures, C. capitata and Z. cucurbitae readily oviposited in undamaged fruit but individuals rarely developed to the pupal or adult stage. For C. capitata, 274 finger limes exposed to 2000 gravid females, which laid an estimated 14,384 eggs, produced two pupae and no adults. For Z. cucurbitae, 299 fruit exposed to 2000 gravid females, which laid an estimated 4484 eggs, produced four pupae and one adult. Field sampling of undamaged fruit from the tree and off the ground from commercial farms produced five C. capitata pupa and one adult from 1119 fruit, for an infestation rate of 0.05 flies per kilogram of fruit; field collections found no natural Z. cucurbitae or B. dorsalis infestation, but the number of fruit available was too low to demonstrate nonhost status with a high degree of confidence. Full article
(This article belongs to the Special Issue Plant Resistance Against Plant Viruses and Pests)
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