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Journal articles on the topic 'Plant/herbivory interaction'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Beaumont, Kieren P., Duncan A. Mackay, and Molly A. Whalen. "Ant defence of a dioecious shrub, Adriana quadripartita (Euphorbiaceae), with extrafloral nectaries." Australian Journal of Botany 64, no. 6 (2016): 539. http://dx.doi.org/10.1071/bt16034.

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Extrafloral nectaries (EFNs) can function to indirectly reduce herbivory by attracting ants that interfere with or predate on herbivorous insects. So as to examine the efficacy of ants as defenders of plants with extrafloral nectaries (EFNs) against herbivores, an ant-exclusion experiment was conducted on plants of the dioecious species Adriana quadripartita (Euphorbiaceae). The experiment was conducted on Torrens Island, South Australia, and adds to previous work that examined the associations among adrianas, ants and invertebrate herbivores at several locations across Australia. The aim of t

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Ramos, Sergio E., and Florian P. Schiestl. "Rapid plant evolution driven by the interaction of pollination and herbivory." Science 364, no. 6436 (2019): 193–96. http://dx.doi.org/10.1126/science.aav6962.

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Pollination and herbivory are both key drivers of plant diversity but are traditionally studied in isolation from each other. We investigated real-time evolutionary changes in plant traits over six generations by using fast-cycling Brassica rapa plants and manipulating the presence and absence of bumble bee pollinators and leaf herbivores. We found that plants under selection by bee pollinators evolved increased floral attractiveness, but this process was compromised by the presence of herbivores. Plants under selection from both bee pollinators and herbivores evolved higher degrees of self-co

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Barbosa, BC, R. Fagundes, LF Silva, et al. "Evidences that human disturbance simplify the ant fauna associated a Stachytarpheta glabra Cham. (Verbenaceae) compromising the benefits of ant-plant mutualism." Brazilian Journal of Biology 75, no. 1 (2015): 58–68. http://dx.doi.org/10.1590/1519-6984.07213.

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Interaction among species, like ants and plants through extrafloral nectaries (EFNs), are important components of ecological communities’ evolution. However, the effect of human disturbance on such specific interactions and its ecological consequences is poorly understood. This study evaluated the outcomes of mutualism between ants and the EFN-bearing plant Stachytarpheta glabra under anthropogenic disturbance. We compared the arthropod fauna composition between two groups of twenty plant individuals, one in an area disturbed by human activities and one in a preserved area. We also check the p

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McKenzie, Scott W., Adam J. Vanbergen, Rosemary S. Hails, T. Hefin Jones, and Scott N. Johnson. "Reciprocal feeding facilitation between above- and below-ground herbivores." Biology Letters 9, no. 5 (2013): 20130341. http://dx.doi.org/10.1098/rsbl.2013.0341.

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Interspecific interactions between insect herbivores predominantly involve asymmetric competition. By contrast, facilitation, whereby herbivory by one insect benefits another via induced plant susceptibility, is uncommon. Positive reciprocal interactions between insect herbivores are even rarer. Here, we reveal a novel case of reciprocal feeding facilitation between above-ground aphids ( Amphorophora idaei ) and root-feeding vine weevil larvae ( Otiorhynchus sulcatus ), attacking red raspberry ( Rubus idaeus ). Using two raspberry cultivars with varying resistance to these herbivores, we furth

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Meineke, Emily K., and T. Jonathan Davies. "Museum specimens provide novel insights into changing plant–herbivore interactions." Philosophical Transactions of the Royal Society B: Biological Sciences 374, no. 1763 (2018): 20170393. http://dx.doi.org/10.1098/rstb.2017.0393.

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Mounting evidence shows that species interactions may mediate how individual species respond to climate change. However, long-term anthropogenic effects on species interactions are poorly characterized owing to a lack of data. Insect herbivory is a major ecological process that represents the interaction between insect herbivores and their host plants, but historical data on insect damage to plants is particularly sparse. Here, we suggest that museum collections of insects and plants can fill key gaps in our knowledge on changing trophic interactions, including proximate mechanisms and the net

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García-Robledo, Carlos, and Charles L. Staines. "Herbivory in gingers from latest Cretaceous to present: is the ichnogenus Cephaloleichnites (Hispinae, Coleoptera) a rolled-leaf beetle?" Journal of Paleontology 82, no. 5 (2008): 1035–37. http://dx.doi.org/10.1666/07-089.1.

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It is suggested that rolled-leaf hispine beetles (Hispinae, Coleoptera) and plants from the order Zingiberales maintained a highly specialized plant-herbivore interaction for >60 My. The evidence supporting this old and conservative interaction are herbivory marks found on leaves of the genus Zingiberopsis (Zingiberaceae) from the latest Cretaceous and early Eocene. This fossil herbivory was described as the ichnotaxon Cephaloleichnites strongii (Hispinae, Coleoptera), based on the assumption that this type of herbivory can be solely attributed to extant rolled-leaf beetles. This ichnotaxon

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De Assis Dansa, Claudia Valeria, Carlos Frederico, and Duarte Rocha. "An ant-membracid-plant interaction in a cerrado area of Brazil." Journal of Tropical Ecology 8, no. 3 (1992): 339–48. http://dx.doi.org/10.1017/s0266467400006635.

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ABSTRACTIn the Cerrado of Itirapina, Brazil, 34% of the shrubs of Didymopanax vinosum (Araliaceae) were colonized by the honeydew-producing homopteran Aconophora teligera (Membracidae) which was found exclusively on this species of plant. Correlations were made between membracid density and ant frequency, as well as between these parameters and plant damage. We found that: (1) ant frequency was higher on branches with membracids and both were more frequently found near apical meristems; (2) herbivore damage was lower on apical meristems where the membracids concentrate than on ones where they

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Geuss, Daniel, Tobias Lortzing, Jens Schwachtje, Joachim Kopka, and Anke Steppuhn. "Oviposition by Spodoptera exigua on Solanum dulcamara Alters the Plant’s Response to Herbivory and Impairs Larval Performance." International Journal of Molecular Sciences 19, no. 12 (2018): 4008. http://dx.doi.org/10.3390/ijms19124008.

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Plant resistance traits against insect herbivores are extremely plastic. Plants respond not only to the herbivory itself, but also to oviposition by herbivorous insects. How prior oviposition affects plant responses to larval herbivory is largely unknown. Combining bioassays and defense protein activity assays with microarray analyses and metabolite profiling, we investigated the impact of preceding oviposition on the interaction of Solanum dulcamara with the generalist lepidopteran herbivore Spodoptera exigua at the levels of the plant’s resistance, transcriptome and metabolome. We found that

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Cook-Patton, Susan C., Marina LaForgia, and John D. Parker. "Positive interactions between herbivores and plant diversity shape forest regeneration." Proceedings of the Royal Society B: Biological Sciences 281, no. 1783 (2014): 20140261. http://dx.doi.org/10.1098/rspb.2014.0261.

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The effects of herbivores and diversity on plant communities have been studied separately but rarely in combination. We conducted two concurrent experiments over 3 years to examine how tree seedling diversity, density and herbivory affected forest regeneration. One experiment factorially manipulated plant diversity (one versus 15 species) and the presence/absence of deer ( Odocoileus virginianus ). We found that mixtures outperformed monocultures only in the presence of deer. Selective browsing on competitive dominants and associational protection from less palatable species appear responsible

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Rioja, Cristina, Vladimir Zhurov, Kristie Bruinsma, Miodrag Grbic, and Vojislava Grbic. "Plant-Herbivore Interactions: A Case of an Extreme Generalist, the Two-Spotted Spider Mite Tetranychus urticae." Molecular Plant-Microbe Interactions® 30, no. 12 (2017): 935–45. http://dx.doi.org/10.1094/mpmi-07-17-0168-cr.

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Plant-herbivore interactions evolved over long periods of time, resulting in an elaborate arms race between interacting species. While specialist herbivores evolved specific strategies to cope with the defenses of a limited number of hosts, our understanding of how generalist herbivores deal with the defenses of a plethora of diverse host plants is largely unknown. Understanding the interaction between a plant host and a generalist herbivore requires an understanding of the plant’s mechanisms aimed at defending itself and the herbivore’s mechanisms intended to counteract diverse defenses. In t

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Malé, Pierre-Jean G., Kyle M. Turner, Manjima Doha, et al. "An ant–plant mutualism through the lens of cGMP-dependent kinase genes." Proceedings of the Royal Society B: Biological Sciences 284, no. 1862 (2017): 20170896. http://dx.doi.org/10.1098/rspb.2017.0896.

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In plant–animal mutualisms, how an animal forages often determines how much benefit its plant partner receives. In many animals, foraging behaviour changes in response to foraging gene expression or activation of the cGMP-dependent protein kinase (PKG) that foraging encodes. Here, we show that this highly conserved molecular mechanism affects the outcome of a plant–animal mutualism. We studied the two PKG genes of Allomerus octoarticulatus, an Amazonian ant that defends the ant–plant Cordia nodosa against herbivores. Some ant colonies are better ‘bodyguards’ than others. Working in the field i

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Estes, James A., and Peter D. Steinberg. "Predation, herbivory, and kelp evolution." Paleobiology 14, no. 1 (1988): 19–36. http://dx.doi.org/10.1017/s0094837300011775.

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We propose that the kelps (Laminariales) radiated in the North Pacific following the onset of late Cenozoic polar cooling. The evidence is that (1) extant kelps occur exclusively in cold-water habitats; (2) all but one of 27 kelp genera occur in the North Pacific, 19 of these exclusively; and (3) limpets and herbivorous marine mammals obligately associated with kelps or other stipitate brown algae appeared late in the Cenozoic, even though more generalized forms of both groups are much older. We propose, further, that sea otters and perhaps other groups of benthic-feeding predatory mammals, wh

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Nguyen, Duy, Yvonne Poeschl, Tobias Lortzing, et al. "Interactive Responses of Solanum Dulcamara to Drought and Insect Feeding are Herbivore Species-Specific." International Journal of Molecular Sciences 19, no. 12 (2018): 3845. http://dx.doi.org/10.3390/ijms19123845.

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In nature, plants are frequently subjected to multiple biotic and abiotic stresses, resulting in a convergence of adaptive responses. We hypothesised that hormonal signalling regulating defences to different herbivores may interact with drought responses, causing distinct resistance phenotypes. To test this, we studied the hormonal and transcriptomic responses of Solanum dulcamara subjected to drought and herbivory by the generalist Spodoptera exigua (beet armyworm; BAW) or the specialist Leptinotarsa decemlineata (Colorado potato beetle; CPB). Bioassays showed that the performance of BAW, but

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Hartvigsen, Gregg, and William T. Starmer. "Plant-Herbivore Coevolution in a Spatially and Genetically Explicit Model." Artificial Life 2, no. 2 (1995): 239–59. http://dx.doi.org/10.1162/artl.1995.2.2.239.

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A coevolutionary model was developed to test interactions between diploid plants and herbivores using genetic algorithms on a spatial lattice. Simulated plants carried defensive genes and herbivores carried genes coding for resistance (metabolism of herbivore defense) in gene-for-gene synchrony. Collectively these genes are referred to as defensive/resistance genes (DR-genes). Genes were linked on chromosomes. Regulatory genes modified both dominance at these DR loci and the tradeoff cost involved in producing either defense or resistance. We tested the effects of varying a) the number of DR-l

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Lawrence, Susan D., Nicole G. Novak, Chelsea J. T. Ju, and Janice E. K. Cooke. "Examining the molecular interaction between potato (Solanum tuberosum) and Colorado potato beetle Leptinotarsa decemlineata." Botany 86, no. 9 (2008): 1080–91. http://dx.doi.org/10.1139/b08-074.

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Colorado potato beetle (CPB) is a devastating herbivorous pest of solanaceous plants. Despite the economic impact, little is known about the molecular interaction of CPB with these plants. Using an 11 421 expressed sequence tag (EST) potato microarray, we identified 320 genes differentially expressed in potato leaves in response to CPB herbivory. Amongst these were genes putatively encoding proteinase inhibitors along with enzymes of terpenoid, alkaloid, and phenylpropanoid biosynthetic pathways, suggesting the defensive chemistries that constitute potato’s defense against CPB herbivory. Sever

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Gough, Laura, and David R. Johnson. "Mammalian herbivory exacerbates plant community responses to long-term increased soil nutrients in two Alaskan tundra plant communities." Arctic Science 4, no. 2 (2018): 153–66. http://dx.doi.org/10.1139/as-2017-0025.

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The interaction between bottom-up and top-down forces in regulating plant communities is a long-standing topic of interest in ecology. Factorial field experiments examining these factors have been relatively few, but recent meta-analyses provide predictions that can be tested in a range of ecosystems. We tested the prediction that added nutrients would reduce species richness and evenness, while herbivore activity would offset those changes in two tundra plant communities after 11 years. In moist acidic tundra (MAT), herbivores reduced richness more in fertilized plots when mammals were presen

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Turkington, Roy. "Top-down and bottom-up forces in mammalian herbivore – vegetation systems: an essay review." Botany 87, no. 8 (2009): 723–39. http://dx.doi.org/10.1139/b09-035.

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For almost 50 years ecologists have debated why herbivores generally don’t increase in numbers to such levels as to deplete or devastate vegetation. One hypothesis is that herbivore populations are regulated at low densities by predators, and a second hypotheses is that plants are fundamentally poor food for herbivores. This has lead to two main hypotheses about the role of herbivores in structuring vegetation: the “bottom-up” and “top-down” hypotheses. Here I survey the literature, with a focus on field experiments designed to investigate the soil resource – vegetation – mammalian herbivore s

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Schoenherr, Andrew P., Eric Rizzo, Natasha Jackson, Patricia Manosalva, and S. Karen Gomez. "Mycorrhiza-Induced Resistance in Potato Involves Priming of Defense Responses Against Cabbage Looper (Noctuidae: Lepidoptera)." Environmental Entomology 48, no. 2 (2019): 370–81. http://dx.doi.org/10.1093/ee/nvy195.

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Abstract Most plants form mutualistic associations with arbuscular mycorrhizal (AM) fungi that are ubiquitous in soils. Through this symbiosis, plants can withstand abiotic and biotic stresses. The underlying molecular mechanisms involved in mediating mycorrhiza-induced resistance against insects needs further research, and this is particularly true for potato (Solanum tuberosum L. (Solanales: Solanaceae)), which is the fourth most important crop worldwide. In this study, the tripartite interaction between potato, the AM fungus Rhizophagus irregularis (Glomerales: Glomeraceae), and cabbage loo

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Chanam, Joyshree, Srinivasan Kasinathan, Gautam K. Pramanik, Amaraja Jagdeesh, Kanchan A. Joshi, and Renee M. Borges. "Context dependency of rewards and services in an Indian ant–plant interaction: southern sites favour the mutualism between plants and ants." Journal of Tropical Ecology 30, no. 3 (2014): 219–29. http://dx.doi.org/10.1017/s026646741400011x.

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Abstract:Protection-based ant–plant mutualisms may vary in strength due to differences in ant rewards, abundance of protective ants and herbivory pressure. We investigated geographical and temporal variation in host plant traits and herbivory pressure at five sites spanning the distribution range of the myrmecophyteHumboldtia brunonis(Fabaceae) in the Indian Western Ghats. Southern sites had, on average, 2.4 times greater abundance of domatia-bearing individuals, 1.6 times greater extrafloral nectary numbers per leaf, 1.2 times larger extrafloral nectary sizes, 2.2 times greater extrafloral ne

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Radny, Janina, and Katrin M. Meyer. "The role of biotic factors during plant establishment in novel communities assessed with an agent-based simulation model." PeerJ 6 (August 8, 2018): e5342. http://dx.doi.org/10.7717/peerj.5342.

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Background Establishment success of non-native species is not only influenced by environmental conditions, but also by interactions with local competitors and enemies. The magnitude of these biotic interactions is mediated by species traits that reflect competitive strength or defence mechanisms. Our aim was to investigate the importance of species traits for successful establishment of non-native species in a native community exhibiting biotic resistance in the form of competition and herbivory. Methods We developed a trait-based, individual-based simulation model tracking the survival of non

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Barnes, A. D., C. Scherber, U. Brose, et al. "Biodiversity enhances the multitrophic control of arthropod herbivory." Science Advances 6, no. 45 (2020): eabb6603. http://dx.doi.org/10.1126/sciadv.abb6603.

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Arthropod herbivores cause substantial economic costs that drive an increasing need to develop environmentally sustainable approaches to herbivore control. Increasing plant diversity is expected to limit herbivory by altering plant-herbivore and predator-herbivore interactions, but the simultaneous influence of these interactions on herbivore impacts remains unexplored. We compiled 487 arthropod food webs in two long-running grassland biodiversity experiments in Europe and North America to investigate whether and how increasing plant diversity can reduce the impacts of herbivores on plants. We

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Gonthier, David J., Gabriella L. Pardee, and Stacy M. Philpott. "Azteca instabilis ants and the defence of a coffee shade tree: an ant–plant association without mutual rewards in Chiapas, Mexico." Journal of Tropical Ecology 26, no. 3 (2010): 343–46. http://dx.doi.org/10.1017/s0266467409990666.

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Ants (Hymenoptera: Formicidae) are important predators of herbivorous insects on plants (Rosumek et al. 2009). Ant removal or absence may result in negative indirect effects on plants, as herbivore abundance and herbivory increase and plant growth and reproduction decline (Rosumek et al. 2009, Schmitz et al. 2000). Ant presence on plants often results from a mutualistic interaction. For example, strong highly coevolved ant–plant mutualisms are found on myrmecophytic plants that house ants in domatia (specialized nesting sites). Weaker mutualistic associations are found with myrmecophilic plant

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Adroit, Benjamin, Xin Zhuang, Torsten Wappler, Jean-Frederic Terral, and Bo Wang. "A case of long-term herbivory: specialized feeding trace on Parrotia (Hamamelidaceae) plant species." Royal Society Open Science 7, no. 10 (2020): 201449. http://dx.doi.org/10.1098/rsos.201449.

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Interactions between plants and insects evolved during millions of years of coevolution and maintain the trophic balance of terrestrial ecosystems. Documenting insect damage types (DT) on fossil leaves is essential for understanding the evolution of plant–insect interactions and for understanding the effects of major environmental changes on ecosystem structure. However, research focusing on palaeoherbivory is still sparse and only a tiny fraction of fossil leaf collections have been analysed. This study documents a type of insect damage found exclusively on the leaves of Parrotia species (Ham

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del-Val, Ek, and Michael J. Crawley. "Interspecific competition and tolerance to defoliation in four grassland species." Canadian Journal of Botany 82, no. 7 (2004): 871–77. http://dx.doi.org/10.1139/b04-066.

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Herbivory and competition are known to influence plant performance. Recent investigations showed that tolerance is an important strategy for plant survival under herbivory, but few have examined its interaction with plant competition. We evaluated in a greenhouse experiment if plant tolerance to defoliation is related to species presence in a grazed habitat and how plant tolerance to herbivory changes in a competitive environment. Regrowth capacity of four grassland species, Trifolium repens L., Rumex acetosella L., Vicia sativa L. subsp. nigra (L.) Ehrh., and Senecio jacobaea L., was evaluate

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Haas, Stephanie M., and Christopher J. Lortie. "A systematic review of the direct and indirect effects of herbivory on plant reproduction mediated by pollination." PeerJ 8 (June 8, 2020): e9049. http://dx.doi.org/10.7717/peerj.9049.

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Background Plant reproduction is influenced by the net outcome of plant–herbivore and plant–pollinator interactions. While both herbivore impacts and pollinator impacts on plant reproduction have been widely studied, few studies examine them in concert. Methodology Here, we review the contemporary literature that examines the net outcomes of herbivory and pollination on plant reproduction and the impacts of herbivores on pollination through damage to shared host plants using systematic review tools. The direct or indirect effects of herbivores on floral tissue and reported mechanisms were comp

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Wang, Dingli, Qiyun Wang, Xiao Sun, Yulin Gao, and Jianqing Ding. "Potato Tuberworm Phthorimaea operculella (Zeller) (Lepidoptera: Gelechioidea) Leaf Infestation Effects Performance of Conspecific Larvae on Harvested Tubers by Inducing Chemical Defenses." Insects 11, no. 9 (2020): 633. http://dx.doi.org/10.3390/insects11090633.

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Conspecific aboveground and belowground herbivores can interact with each other, mediated by plant secondary chemicals; however, little attention has been paid to the interaction between leaf feeders and tuber-feeders. Here, we evaluated the effect of the foliar feeding of P. operculella larvae on the development of conspecific larvae feeding on harvested tubers by determining the nutrition and defense metabolites in the whole plant (leaf, root and tuber). We found that leaf feeding negatively affected tuber larval performance by increasing the female larval developmental time and reducing the

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Zamora, Regino, and Jose M. Gomez. "Carnivorous Plant-Slug Interaction: A Trip from Herbivory to Kleptoparasitism." Journal of Animal Ecology 65, no. 2 (1996): 154. http://dx.doi.org/10.2307/5718.

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Rusman, Quint, Peter N. Karssemeijer, Dani Lucas-Barbosa, and Erik H. Poelman. "Settling on leaves or flowers: herbivore feeding site determines the outcome of indirect interactions between herbivores and pollinators." Oecologia 191, no. 4 (2019): 887–96. http://dx.doi.org/10.1007/s00442-019-04539-1.

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Abstract Herbivore attack can alter plant interactions with pollinators, ranging from reduced to enhanced pollinator visitation. The direction and strength of effects of herbivory on pollinator visitation could be contingent on the type of plant tissue or organ attacked by herbivores, but this has seldom been tested experimentally. We investigated the effect of variation in feeding site of herbivorous insects on the visitation by insect pollinators on flowering Brassica nigra plants. We placed herbivores on either leaves or flowers, and recorded the responses of two pollinator species when vis

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Ward, Philip S., and Michael G. Branstetter. "The acacia ants revisited: convergent evolution and biogeographic context in an iconic ant/plant mutualism." Proceedings of the Royal Society B: Biological Sciences 284, no. 1850 (2017): 20162569. http://dx.doi.org/10.1098/rspb.2016.2569.

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Phylogenetic and biogeographic analyses can enhance our understanding of multispecies interactions by placing the origin and evolution of such interactions in a temporal and geographical context. We use a phylogenomic approach—ultraconserved element sequence capture—to investigate the evolutionary history of an iconic multispecies mutualism: Neotropical acacia ants ( Pseudomyrmex ferrugineus group) and their associated Vachellia hostplants. In this system, the ants receive shelter and food from the host plant, and they aggressively defend the plant against herbivores and competing plants. We c

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Steven, Janet C., and Amber L. Gaddis. "Drought and simulated deer herbivory reduce growth in Atlantic white cedar seedlings." Botany 95, no. 5 (2017): 531–38. http://dx.doi.org/10.1139/cjb-2016-0207.

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White-tailed deer are overabundant in much of eastern North America and may be suppressing regeneration in some tree species. Herbivory initially reduces plant biomass, but it has the potential to stimulate compensatory growth. However, stressful environmental conditions may reduce recovery from herbivory. Seedlings of Atlantic white cedar, Chamaecyparis thyoides (L.) Britton, Sterns & Poggenb., are frequently browsed by white-tailed deer and also experience both flooded and dry soils in natural habitats. We conducted a growth chamber experiment to test for a potential interaction between

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Elmer, Wade H. "A Tripartite Interaction Between Spartina alterniflora, Fusarium palustre, and the Purple Marsh Crab (Sesarma reticulatum) Contributes to Sudden Vegetation Dieback of Salt Marshes in New England." Phytopathology® 104, no. 10 (2014): 1070–77. http://dx.doi.org/10.1094/phyto-08-13-0219-r.

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Tripartite interactions are common and occur when one agent (an arthropod or pathogen) changes the host plant in a manner that alters the attack of the challenging agent. We examined herbivory from the purple marsh crab (Sesarma reticulatum) on Spartina alterniflora following exposure to drought or inoculation with Fusarium palustre in mecocosms in the greenhouse and in crab-infested creek banks along intertidal salt marshes. Initially, drought stress on S. alterniflora and disease from F. palustre were examined in the greenhouse. Then, a second challenger, the purple marsh crab, was introduce

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Rasheed, Muhammad Usman, M. Kivimäenpää, and A. Kasurinen. "Emissions of biogenic volatile organic compounds (BVOCs) from the rhizosphere of Scots pine (Pinus sylvestris) seedlings exposed to warming, moderate N addition and bark herbivory by large pine weevil (Hylobius abietis)." Plant and Soil 463, no. 1-2 (2021): 379–94. http://dx.doi.org/10.1007/s11104-021-04888-y.

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Abstract Aims Biogenic volatile organic compound (BVOC) research has been mostly focused on foliar emissions. In this experiment, the main focus was on rhizosphere BVOC emissions of Scots pine seedlings under changing growth conditions. Methods Soil-growing Scots pines were exposed to increased air (0.5°C) and soil (4.0°C) temperature and N addition (30 kg N ha− 1 yr− 1) for three growing seasons in a field experiment. In addition to these factors, seedlings were exposed to bark herbivory by large pine weevils in two last seasons. Gas-chromatography and mass-spectrometry was used for analyzing

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Gandhi, Akanksha, Rupesh Kariyat, Amaravadhi Harikishore, Marzieh Ayati, Anirban Bhunia, and Nirakar Sahoo. "Deciphering the Role of Ion Channels in Early Defense Signaling against Herbivorous Insects." Cells 10, no. 9 (2021): 2219. http://dx.doi.org/10.3390/cells10092219.

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Plants and insect herbivores are in a relentless battle to outwit each other. Plants have evolved various strategies to detect herbivores and mount an effective defense system against them. These defenses include physical and structural barriers such as spines, trichomes, cuticle, or chemical compounds, including secondary metabolites such as phenolics and terpenes. Plants perceive herbivory by both mechanical and chemical means. Mechanical sensing can occur through the perception of insect biting, piercing, or chewing, while chemical signaling occurs through the perception of various herbivor

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He, Jun, Richard A. Fandino, Rayko Halitschke, et al. "An unbiased approach elucidates variation in (S)-(+)-linalool, a context-specific mediator of a tri-trophic interaction in wild tobacco." Proceedings of the National Academy of Sciences 116, no. 29 (2019): 14651–60. http://dx.doi.org/10.1073/pnas.1818585116.

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Plant volatile organic compounds (VOCs) mediate many interactions, and the function of common VOCs is especially likely to depend on ecological context. We used a genetic mapping population of wild tobacco, Nicotiana attenuata, originating from a cross of 2 natural accessions from Arizona and Utah, separated by the Grand Canyon, to dissect genetic variation controlling VOCs. Herbivory-induced leaf terpenoid emissions varied substantially, while green leaf volatile emissions were similar. In a field experiment, only emissions of linalool, a common VOC, correlated significantly with predation of

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Wetzel, William C., and Mariah H. Meek. "Physical defenses and herbivory vary more within plants than among plants in the tropical understory shrub Piper polytrichum." Botany 97, no. 2 (2019): 113–21. http://dx.doi.org/10.1139/cjb-2018-0160.

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There is a growing appreciation that much of the trait variation within plant species is represented within individuals, for example, occurring among leaves within a plant. Subindividual variation is predicted to have key ecological consequences, but empirical understanding of how subindividual variation relates to species interactions, such as herbivory, is limited. We measured two physical defenses and herbivore damage on multiple leaves within individual plants of Piper polytrichum C.DC. (Piperaceae), a tropical understory shrub. We partitioned variance among- and within-plants and quantifi

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King, Chrystal, Helen Spafford Jacob, and Françoise Berlandier. "The influence of water deficiency on the relationship between canola (Brassica napus L.), and two aphid species (Hemiptera: Aphididae), Lipaphis erysimi (Kaltenbach) and Brevicoryne brassicae (L.)." Australian Journal of Agricultural Research 57, no. 4 (2006): 439. http://dx.doi.org/10.1071/ar05137.

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Commercially grown canola, Brassica napus, is negatively affected by both water deficiency and herbivory. A glasshouse experiment evaluated the relationship between water deficiency and herbivory of two aphid species, Brevicoryne brassicae (L.) and Lipaphis erysimi (Kaltenbach) (Hemiptera: Aphididae), on canola. The effect of water deficiency on aphid performance was also evaluated. Brassica napus plants were provided with either continuous water (well-watered) or were watered only once per week (water-deficient). The plants were exposed to either B. brassicae, L. erysimi, or no aphids at all.

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Kato, Makoto. "First record of herbivory on Lycopodiaceae (Lycopodiales) by a dipteran (Pallopteridae) leaf/stem-miner." Canadian Entomologist 134, no. 5 (2002): 699–701. http://dx.doi.org/10.4039/ent134699-5.

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Evidence for herbivory on early vascular plants in the Paleozoic has recently been accumulated from trace fossils and coprolites (Edwards et al. 1995; Labandeira 1998), although it is not well understood which arthropods were true herbivores during the Paleozoic. The great diversity of extant herbivorous insects was thought to have originated in the Cretaceous, when the adaptive radiation of angiosperms occurred; thus, it would be intriguing to find ancient plant–herbivore interactions on extant primeval vascular plants. In this paper, I report a unique dipteran fly associated with a species o

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Havko, Nathan E., Michael R. Das, Alan M. McClain, George Kapali, Thomas D. Sharkey, and Gregg A. Howe. "Insect herbivory antagonizes leaf cooling responses to elevated temperature in tomato." Proceedings of the National Academy of Sciences 117, no. 4 (2020): 2211–17. http://dx.doi.org/10.1073/pnas.1913885117.

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As global climate change brings elevated average temperatures and more frequent and extreme weather events, pressure from biotic stresses will become increasingly compounded by harsh abiotic stress conditions. The plant hormone jasmonate (JA) promotes resilience to many environmental stresses, including attack by arthropod herbivores whose feeding activity is often stimulated by rising temperatures. How wound-induced JA signaling affects plant adaptive responses to elevated temperature (ET), however, remains largely unknown. In this study, we used the commercially important crop plant Solanum

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Kessler, André, and Alexander Chautá. "The ecological consequences of herbivore-induced plant responses on plant–pollinator interactions." Emerging Topics in Life Sciences 4, no. 1 (2020): 33–43. http://dx.doi.org/10.1042/etls20190121.

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Plant induced responses to herbivory have long been found to function as plant direct and indirect defenses and to be major drivers of herbivore community and population dynamics. While induced defenses are generally understood as cost-saving strategies that allow plants to allocate valuable resources into defense expression, it recently became clear that, in particular, induced metabolic changes can come with significant ecological costs. In particular, interactions with mutualist pollinators can be significantly compromised by herbivore-induced changes in floral morphology and metabolism. We

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Kliebenstein, Daniel, Deana Pedersen, Bridget Barker, and Thomas Mitchell-Olds. "Comparative Analysis of Quantitative Trait Loci Controlling Glucosinolates, Myrosinase and Insect Resistance in Arabidopsis thaliana." Genetics 161, no. 1 (2002): 325–32. http://dx.doi.org/10.1093/genetics/161.1.325.

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Abstract Evolutionary interactions among insect herbivores and plant chemical defenses have generated systems where plant compounds have opposing fitness consequences for host plants, depending on attack by various insect herbivores. This interplay complicates understanding of fitness costs and benefits of plant chemical defenses. We are studying the role of the glucosinolate-myrosinase chemical defense system in protecting Arabidopsis thaliana from specialist and generalist insect herbivory. We used two Arabidopsis recombinant inbred populations in which we had previously mapped QTL controlli

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Cherif, Mehdi, and Michel Loreau. "Plant–herbivore–decomposer stoichiometric mismatches and nutrient cycling in ecosystems." Proceedings of the Royal Society B: Biological Sciences 280, no. 1754 (2013): 20122453. http://dx.doi.org/10.1098/rspb.2012.2453.

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Plant stoichiometry is thought to have a major influence on how herbivores affect nutrient availability in ecosystems. Most conceptual models predict that plants with high nutrient contents increase nutrient excretion by herbivores, in turn raising nutrient availability. To test this hypothesis, we built a stoichiometrically explicit model that includes a simple but thorough description of the processes of herbivory and decomposition. Our results challenge traditional views of herbivore impacts on nutrient availability in many ways. They show that the relationship between plant nutrient conten

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Potter, Arjun B., Muhammad Ali Imron, Satyawan Pudyatmoko, and Matthew C. Hutchinson. "Short-term plant-community responses to large mammalian herbivore exclusion in a rewilded Javan savanna." PLOS ONE 16, no. 7 (2021): e0255056. http://dx.doi.org/10.1371/journal.pone.0255056.

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Grassy biomes such as savannas are maintained by an interacting suite of ecosystem processes from herbivory to rainfall to fire. Many studies have examined the impacts of large mammalian herbivores on herbaceous plant communities, but few of these studies have been conducted in humid, fertile savannas. We present the findings of a short-term experiment that investigated the effects of herbivory in a fertile, humid, and semi-managed savanna. We erected large-herbivore exclosures in Alas Purwo National Park, Java, Indonesia where rainfall is high and fire is suppressed to test how herbivores imp

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Taylor, Benton N., and Laura R. Ostrowsky. "Nitrogen-fixing and non-fixing trees differ in leaf chemistry and defence but not herbivory in a lowland Costa Rican rain forest." Journal of Tropical Ecology 35, no. 6 (2019): 270–79. http://dx.doi.org/10.1017/s0266467419000233.

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AbstractNitrogen-fixing plants provide critical nitrogen inputs that support the high productivity of tropical forests, but our understanding of the ecology of nitrogen fixers – and especially their interactions with herbivores – remains incomplete. Herbivores may interact differently with nitrogen fixers vs. non-fixers due to differences in leaf nitrogen content and herbivore defence strategies. To examine these potential differences, our study compared leaf carbon, nitrogen, toughness, chemical defence and herbivory for four nitrogen-fixing tree species (Inga oerstediana, Inga sapindoides, I

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Bell, Kim, Natalia Naranjo-Guevara, Rafaela C. dos Santos, Richard Meadow, and José M. S. Bento. "Predatory Earwigs are Attracted by Herbivore-Induced Plant Volatiles Linked with Plant Growth-Promoting Rhizobacteria." Insects 11, no. 5 (2020): 271. http://dx.doi.org/10.3390/insects11050271.

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Plant-associated microbes may induce plant defenses against herbivores. Plants, in turn, can attract natural enemies, such as predators, using herbivore-induced plant volatiles. Intricate communication occurs between microorganisms, plants, and insects. Given that many aspects related to mechanisms involved in this symbiotic system remain unknown, we evaluated how beneficial soil-borne microorganisms can affect the interactions between plants, herbivores, and natural enemies. For this study, we established a multitrophic system composed of the predatory earwig Doru luteipes (Dermaptera: Forfic

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Olofsson, Johan, Mariska te Beest, and Lars Ericson. "Complex biotic interactions drive long-term vegetation dynamics in a subarctic ecosystem." Philosophical Transactions of the Royal Society B: Biological Sciences 368, no. 1624 (2013): 20120486. http://dx.doi.org/10.1098/rstb.2012.0486.

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Predicting impacts of global warming requires understanding of the extent to which plant biomass and production are controlled by bottom-up and top-down drivers. By annually monitoring community composition in grazed control plots and herbivore-free exclosures at an Arctic location for 15 years, we detected multiple biotic interactions. Regular rodent cycles acted as pulses driving synchronous fluctuations in the biomass of field-layer vegetation; reindeer influenced the biomass of taller shrubs, and the abundance of plant pathogenic fungi increased when densities of their host plants increase

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Erb, Matthias, and Philippe Reymond. "Molecular Interactions Between Plants and Insect Herbivores." Annual Review of Plant Biology 70, no. 1 (2019): 527–57. http://dx.doi.org/10.1146/annurev-arplant-050718-095910.

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Diverse molecular processes regulate the interactions between plants and insect herbivores. Here, we review genes and proteins that are involved in plant–herbivore interactions and discuss how their discovery has structured the current standard model of plant–herbivore interactions. Plants perceive damage-associated and, possibly, herbivore-associated molecular patterns via receptors that activate early signaling components such as Ca2+, reactive oxygen species, and MAP kinases. Specific defense reprogramming proceeds via signaling networks that include phytohormones, secondary metabolites, an

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Yamauchi, Atsushi, Minus van Baalen, Yutaka Kobayashi, Junji Takabayashi, Kaori Shiojiri, and Maurice W. Sabelis. "Cry-wolf signals emerging from coevolutionary feedbacks in a tritrophic system." Proceedings of the Royal Society B: Biological Sciences 282, no. 1818 (2015): 20152169. http://dx.doi.org/10.1098/rspb.2015.2169.

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For a communication system to be stable, senders should convey honest information. Providing dishonest information, however, can be advantageous to senders, which imposes a constraint on the evolution of communication systems. Beyond single populations and bitrophic systems, one may ask whether stable communication systems can evolve in multitrophic systems. Consider cross-species signalling where herbivore-induced plant volatiles (HIPVs) attract predators to reduce the damage from arthropod herbivores. Such plant signals may be honest and help predators to identify profitable prey/plant types

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Huang, Wei, Evan Siemann, Xuefang Yang, Gregory S. Wheeler, and Jianqing Ding. "Facilitation and inhibition: changes in plant nitrogen and secondary metabolites mediate interactions between above-ground and below-ground herbivores." Proceedings of the Royal Society B: Biological Sciences 280, no. 1767 (2013): 20131318. http://dx.doi.org/10.1098/rspb.2013.1318.

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To date, it remains unclear how herbivore-induced changes in plant primary and secondary metabolites impact above-ground and below-ground herbivore interactions. Here, we report effects of above-ground (adult) and below-ground (larval) feeding by Bikasha collaris on nitrogen and secondary chemicals in shoots and roots of Triadica sebifera to explain reciprocal above-ground and below-ground insect interactions. Plants increased root tannins with below-ground herbivory, but above-ground herbivory prevented this increase and larval survival doubled. Above-ground herbivory elevated root nitrogen,

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Schweitzer, Jennifer A., Joseph K. Bailey, Stephen C. Hart, Gina M. Wimp, Samantha K. Chapman, and Thomas G. Whitham. "The interaction of plant genotype and herbivory decelerate leaf litter decomposition and alter nutrient dynamics." Oikos 110, no. 1 (2005): 133–45. http://dx.doi.org/10.1111/j.0030-1299.2005.13650.x.

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Hwang, Bernice C., and Daniel B. Metcalfe. "Reviews and syntheses: Impacts of plant-silica–herbivore interactions on terrestrial biogeochemical cycling." Biogeosciences 18, no. 4 (2021): 1259–68. http://dx.doi.org/10.5194/bg-18-1259-2021.

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Abstract. Researchers have known for decades that silicon plays a major role in biogeochemical and plant–soil processes in terrestrial systems. Meanwhile, plant biologists continue to uncover a growing list of benefits derived from silicon to combat abiotic and biotic stresses, such as defense against herbivory. Yet despite growing recognition of herbivores as important ecosystem engineers, many major gaps remain in our understanding of how silicon and herbivory interact to shape biogeochemical processes, particularly in natural systems. We review and synthesize 119 available studies directly

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