Qualitative and Quantitative Differences in Herbivore-Induced Plant Volatile Blends from Tomato Plants Infested by Either Tuta absoluta or Bemisia tabaci

Silva, Diego Bastos; Weldegergis, Berhane T.; Loon, Joop J. A. van; Bueno, Vanda Helena Paes

doi:10.1007/s10886-016-0807-7

Cited by 66 publications

(64 citation statements)

References 69 publications

(99 reference statements)

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“…Similarly, to most of the individual compounds, the total volatiles released by undamaged and host-infested flowering melons did not differ statistically. Unlike tissue-damaging herbivores, phloem-feeders stimulate the emission of smaller quantities of volatiles compared to intact plants, and at times no changes may be detectable (Du et al 1998;Turlings et al 1998;Rodriguez-Saona et al 2003;Silva et al 2017), due to the minimal leaf injury inflicted and to salivary effectors that prevent the synthesis of volatiles (Walling 2008). Although Desurmont et al (2015) showed that herbivory induces much smaller amounts of leaf volatiles in flowering than in vegetative plant stages, parasitic wasps are still able to recognize nuances of plant-blend composition in order to effectively locate their host (Bruce et al 2005).…”

Section: Discussionmentioning

confidence: 99%

Phloem-feeding herbivory on flowering melon plants enhances attraction of parasitoids by shifting floral to defensive volatiles

Silveira

Sanches

Zazycki

et al. 2018

Arthropod-Plant Interactions

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CITATIONS 0 READS 205 9 authors, including: Some of the authors of this publication are also working on these related projects: Pheromone of the pantropical ambrosia beetle Euplatypus parallelus (Curculionidae, Platypodinae) View project Melon pest control tactics in the northeastern brazilian semiarid (Project funded by Embrapa) View project AbstractEmission of herbivore-induced plant volatiles (HIPVs) can differ according to the type of herbivory and the plant development stage, ultimately affecting recruitment of the natural enemy. Little is known about plant defenses induced at the flowering stage by phloem-feeding insects. We investigated the olfactory preference of Encarsia desantisi parasitoids and the chemical profile of flowering melon plants induced or not by the phloem-feeding of Bemisia tabaci whiteflies. In addition, we tested whether the parasitoids were attracted to synthetic defensive HIPVs, which mimicked whitefly-infested flowering melons. The parasitoids recognized volatiles from undamaged melons but preferred the scent of host-infested melons in olfactometry assays. Amounts of most individual volatiles did not differ between plant treatments; however, only whitefly-induced melons released methyl salicylate and tetradecane, compounds known to attract parasitoids. Interestingly, grouping volatiles by chemical classes revealed that whitefly-infested melon released larger amounts of monoterpenes and smaller amounts of benzenoids than undamaged melons, which might underlying the parasitoid attraction and indicate a possible trade-off between defensive and reproductive defenses at the melon flowering stage. Additionally, E. desantisi preferred the mix of synthetic and defensive HIPVs over hexane (control), opening a new avenue for further investigations in using olfactory lures for B. tabaci biological control. This study is the first report of induced defenses in melon plants and their mediation in a tritrophic interaction, as well as the first record of E. desantisi behavioral preference for HIPVs.

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Section: Discussionmentioning

confidence: 99%

Phloem-feeding herbivory on flowering melon plants enhances attraction of parasitoids by shifting floral to defensive volatiles

Silveira

Sanches

Zazycki

et al. 2018

Arthropod-Plant Interactions

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“…In tomato, infestation by T. absoluta has been demonstrated to induce the emission of HIPVs [23,24]. In addition, egg deposition by T. absoluta seems to induce the release of OIPVs by tomato plants [25].…”

Section: Introductionmentioning

confidence: 99%

Oviposition-Induced Volatiles Affect Electrophysiological and Behavioral Responses of Egg Parasitoids

Milonas

Anastasaki

Partsinevelos

2019

Insects

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In response to an attack by herbivores, plants emit a variety of compounds that may act as semiochemicals. Oviposition-induced volatiles (OIPVs) have been shown to mediate interactions between plants and natural enemies. Here, we investigated the role of OIPVs by Tuta absoluta towards two egg parasitoids, Trichogramma cordubense and T. achaeae. We collected headspace volatiles from tomato plants at 24, 48, and 72 h after oviposition by T. absoluta females and tested the antennographic response of Trichogramma parasitoids to them by means of gas chromatography- electro-antennographical detection (GC-EAD). The response of the parasitoids was also tested in behavioral experiments using a Y-tube olfactometer. Oviposition by T. absoluta females induced qualitative and quantitative changes in the volatiles emitted by tomato plants. Antennae of Trichogramma parasitoids responded to several of the induced volatiles in GC-EAD. T. cordubense females were attracted to tomato plants with T. absoluta eggs 24 h after oviposition. The elucidation of the behavior of egg parasitoids towards OIPVs enhances the development of sustainable management strategies either by selecting species that exploit OIPVs or by manipulating their foraging behavior by utilizing specific OIPVs that are used by parasitoids as a host location.

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“…In parallel, wild tomato relatives produce a broader set of defence‐related volatile organic compounds compared with domesticated varieties (Lundgren et al ., ) and volatiles produced by wild tomatoes are less attractive and can repel the pest, Tobacco whitefly, compared with domesticated tomatoes (Bleeker et al ., ). Yet, volatiles produced after herbivory are important for the attraction of natural enemies in domesticated tomato (Tan & Liu, ; Silva et al ., ) and differences in volatile production by wild and domesticated crops will likely influence both pest and predator responses. However, it is unknown whether pest and predators commonly diverge in their responses to domesticated crops and the traits associated with domestication, particularly for indirect defences.…”

Section: Introductionmentioning

confidence: 99%

Domestication of tomato has reduced the attraction of herbivore natural enemies to pest‐damaged plants

Garvey

Kaplan

et al. 2017

Agri and Forest Entomology

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1 Plant domestication can alter species interactions and influence novel associations among crops and insects. We performed a series of preference and performance experiments to test predator and herbivore attraction to domesticated and wild plants and to evaluate the efficacy of herbivore-induced plant volatiles (HIPVs) across a domestication gradient in tomato, including wild relatives, landraces and domesticated commercial cultivars. 2 We employed a tri-trophic system consisting of the specialist lepidopteran herbivore Manduca sexta and two of its natural enemies: an egg predator, the stilt bug Jalysus wickhami, and a larval parasitoid, the wasp Cotesia congregata. 3 In olfactometer trials, natural enemies consistently preferred HIPVs of wild tomatoes over domesticated cultivars, with landraces in between. Plant-domestication effects were also apparent in terms of decision speed: predators were slower to orient towards damaged crops than to damaged wild relatives. 4 By contrast, M. sexta moths were more likely to oviposit on domesticated than on wild or landrace tomatoes, indicating that insect responses to plant odours vary with trophic level. Field trials confirmed olfactory preference tests: caterpillars recovered from wild tomato relatives were more likely to be parasitized than those recovered from landraces or domesticated tomatoes. 5 The results of the present study suggest that tomato domestication has reduced the efficacy of HIPVs in attracting predators compared with wild relatives and also that this decreased attraction leads to lower attack rates by enemies in the field. This outcome has implications for understanding the specificity of tri-trophic plant defences and the compatibility of natural enemies for biocontrol in agro-ecosystems.

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Qualitative and Quantitative Differences in Herbivore-Induced Plant Volatile Blends from Tomato Plants Infested by Either Tuta absoluta or Bemisia tabaci

Cited by 66 publications

References 69 publications

Phloem-feeding herbivory on flowering melon plants enhances attraction of parasitoids by shifting floral to defensive volatiles

Phloem-feeding herbivory on flowering melon plants enhances attraction of parasitoids by shifting floral to defensive volatiles

Oviposition-Induced Volatiles Affect Electrophysiological and Behavioral Responses of Egg Parasitoids

Domestication of tomato has reduced the attraction of herbivore natural enemies to pest‐damaged plants

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