2022
DOI: 10.1111/1365-2745.14044
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Drying conditions alter the defensive function of seed mucilage against granivores

Abstract: 1. Environmental conditions alter the function of many plant traits that drive species interactions, producing context-dependency in the outcomes of those interactions. Seed mucilage is a common, convergently evolved trait found in thousands of plant species. When wetted, the seed coat swells into a viscid mass; when dried, the mucilage strands strongly cement the seed to whatever it is in contact with.2. This binding to the ground has been previously shown to protect seeds from granivory. Previous research fo… Show more

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Cited by 7 publications
(10 citation statements)
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“…However, plant seeds in nature are exposed to different temperature levels during spring and summer, so elevated temperatures might affect their adhesion properties. For instance, seeds from plants growing in warmer areas of the world tend to show a higher stickiness and a greater mucilage volume [52,53] . Similarly, it appears possible that samples coated with pectin C and pectin A, respectively, differ in terms of their adhesion behavior at temperature levels above Values shown represent averages together with the standard deviation as calculated from n = 3 independent samples.…”
Section: Resultsmentioning
confidence: 99%
“…However, plant seeds in nature are exposed to different temperature levels during spring and summer, so elevated temperatures might affect their adhesion properties. For instance, seeds from plants growing in warmer areas of the world tend to show a higher stickiness and a greater mucilage volume [52,53] . Similarly, it appears possible that samples coated with pectin C and pectin A, respectively, differ in terms of their adhesion behavior at temperature levels above Values shown represent averages together with the standard deviation as calculated from n = 3 independent samples.…”
Section: Resultsmentioning
confidence: 99%
“…Seed mucilage is largely composed of pectin and other high-energy carbohydrates that the plant could allocate elsewhere in the developing seed, so investing energy in seed mucilage presumably serves an important purpose or beneficial adaptation (LoPresti et al, 2022;. Given the high prevalence of myxospermy, seed mucilage presumably provides benefits for grassland species.…”
Section: Discussionmentioning
confidence: 99%
“…Seed mucilage is a common trait in angiosperms, and it appears to play roles in seed survival, dispersal, and germination (Fernandez-Alonso et al, 2003;LoPresti et al, 2022;LoPresti et al, 2023;Tsai et al, 2021, Western, 2012.…”
mentioning
confidence: 99%
“…Often, this is the ground, and this binding makes the seed less likely to be removed by harvester ants (Engelbrecht & García‐Fayos, 2012; Gutterman & Shem‐Tov, 1997; Pan et al, 2021; Yang et al, 2013). The mechanism behind the defensive value of physical binding to the substrate seems to be simply the force of attachment and thus the difficulty of exploitation, as seeds with greater anchorage strength were removed at lower rates (LoPresti et al, 2023; Pan et al, 2021). In areas with loose substrate, wetted mucilage binds substrate, which remains firmly bound to the seed once dry (Figure 1: top row).…”
Section: Introductionmentioning
confidence: 99%