Effect of genetic relatedness on volatile communication of sagebrush (<i>Artemisia tridentata</i>)

Ishizaki, Satomi; Shiojiri, Kaori; Karban, Richard; Ohara, Masashi

doi:10.1080/17429145.2010.544770

Cited by 7 publications

(8 citation statements)

References 3 publications

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“…The population-specificity demonstrated in this study may make cues emitted by sagebrush more useful to both the emitter and receiver. Previous work demonstrated that plants communicated more effectively with kin than strangers (Karban et al 2013) and plants that were geographically closer were more likely to share genes (McArthur et al 1998, Ishizaki et al 2011D. McArthur, personal communication).…”

Section: R Eportsmentioning

confidence: 48%

“…, Ishizaki et al. ; D. McArthur, personal communication ). As such, this experiment does not allow us to disentangle effects caused by geographic distance and genetic distance although these two are often correlated in nature.…”

Section: Discussionmentioning

confidence: 99%

“…Volatile profiles for individuals (genets) were consistent across seasons and conditions so that growing in Davis did not alter chemotypes (Ishizaki et al. ; J. D. Blande and K. Shiojiri, unpublished data ).…”

Section: Methodsmentioning

confidence: 99%

“…The chemotypes of focal plants and the emitter plants that served as sources of cue were determined using GC-MS (methods described in Karban et al 2014). Volatile profiles for individuals (genets) were consistent across seasons and conditions so that growing in Davis did not alter chemotypes (Ishizaki et al 2011;J. D. Blande and K. Shiojiri, unpublished data).…”

Section: Reciprocal Experiments To Evaluate the Effectiveness Of Commmentioning

confidence: 99%

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Geographic dialects in volatile communication between sagebrush individuals

Karban

Wetzel

Shiojiri

et al. 2016

Ecology

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Abstract. Plants respond to volatile cues emitted by damaged neighbors to increase their defenses against herbivores. We examined whether plants communicated more effectively with local neighbors than distant neighbors in a reciprocal experiment at two sites. Three branches on focal plants were incubated with air from (1) a control, (2) an experimentally clipped "foreign" plant from 230 km away, or (3) an experimentally clipped "local" plant from the same population as the focal plant. Branches incubated with air from the controls experienced 50-80% more leaf damage than those receiving air from experimentally clipped plants. Of more interest, branches receiving volatiles from experimentally clipped "local" plants received 50-65% of the leaf damage as those receiving volatiles from experimentally clipped "foreign" plants. Sabinyl compounds and related terpinenes were found to differ consistently for plants from southern and northern sites. These results indicate that cues vary geographically in their effectiveness and suggest that sagebrush responds more strongly to local than foreign dialects.

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Section: R Eportsmentioning

confidence: 48%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Reciprocal Experiments To Evaluate the Effectiveness Of Commmentioning

confidence: 99%

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Geographic dialects in volatile communication between sagebrush individuals

Karban

Wetzel

Shiojiri

et al. 2016

Ecology

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“…This feature of A . montana enables it to evolve traits via kin selection [ 20 – 24 ]. Self-sacrificing traits for an individual shoot can evolve if these sacrifices increase the fitness components of associated shoots in a clonal community.…”

Section: Discussionmentioning

confidence: 99%

Effects of aphid parasitism on host plant fitness in an aphid-host relationship

2018

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Aphids are serious agricultural insect pests which exploit the phloem sap of host plants and thus transmit pathogens to their hosts. However, the degree to which aphid parsitism affects the fitness of the host plants is not well understood. The aphid, Macrosiphoniella yomogicola, parasitizes the mugwort Artemisia montana in Japan. During summer most mugworts carry aphids, but most aphid colonies die out after the budding of A. montana inflorescences in late summer. A few aphid colonies survive to late autumn, at which point sexuparae appear to later lay overwintering eggs after copulation. The death of the aphid colonies seems to be caused by biochemical changes in the phloem sap in the host plant coincident with the budding of inflorescences. The surviving aphid colonies may suppress the budding of inflorescences to allow persistence of their genetic line into the following year. Our investigations demonstrate that aphid parasitism did not affect host plant growth, but that it did significantly decrease the number of inflorescences and the average weight of floral buds. Our results indicate that aphid parasitism has a strong negative effect on the fitness of host plants. The manner in which the aphids suppress floral budding in their hosts is worth examining from the perspective of the evolution of aphid-plant interactions.

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Effective distance of volatile cues for plant–plant communication in beech

Hagiwara

Ishihara

Takabayashi

et al. 2021

Ecology and Evolution

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In response to volatiles emitted from a plant infested by herbivorous arthropods, neighboring undamaged conspecific plants become better defended against herbivores; this is referred to as plant‒plant communication. Although plant‒plant communication occurs in a wide range of plant species, most studies have focused on herbaceous plants. Here, we investigated plant‒plant communication in beech trees in two experimental plantations in 2018 and one plantation in 2019. Approximately 20% of the leaves of a beech tree were clipped in half in the spring seasons of 2018 and 2019 (clipped tree). The damage levels to leaves in the surrounding undamaged beech trees were evaluated 90 days after the clipping (assay trees). In both years, the damage levels decreased with a reduction in the distance from the clipped tree. In 2019, we also recorded the damage levels of trees that were not exposed to volatiles (nonexposed trees) as control trees and found that those that were located <5 m away from clipped trees had significantly less leaf damage than nonexposed trees. By using a gas chromatograph–mass spectrometer, ten and eight volatile compounds were detected in the headspaces of clipped and unclipped leaves, respectively. Among them, the amount of (Z)‐3‐hexenyl acetate in clipped leaves was significantly higher than that in nonclipped leaves. Our result suggests that green leaf volatiles such as (Z)‐3‐hexenol and (Z)‐3‐hexenyl acetate and other volatile organic compounds emitted from clipped trees induced defenses in the neighboring trees within the 5 m radius. The effective distances of plant‒plant communication in trees were discussed from the viewpoint of the arthropod community structure in forest ecosystems.

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Effect of genetic relatedness on volatile communication of sagebrush (Artemisia tridentata)

Cited by 7 publications

References 3 publications

Geographic dialects in volatile communication between sagebrush individuals

Geographic dialects in volatile communication between sagebrush individuals

Effects of aphid parasitism on host plant fitness in an aphid-host relationship

Effective distance of volatile cues for plant–plant communication in beech

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