2016
DOI: 10.1093/aob/mcw166
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Contrasting germination responses to vegetative canopies experienced in pre- vs. post-dispersal environments

Abstract: Background Seeds adjust their germination based on conditions experienced before and after dispersal. Postdispersal cues are expected to be more accurate predictors of offspring environments, and thus offspring success, than pre-dispersal cues. Therefore, germination responses to conditions experienced during seed maturation may be expected to be superseded by responses to conditions experienced during seed imbibition. In taxa of disturbed habitats, neighbours frequently reduce the performance of germinants. T… Show more

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Cited by 28 publications
(49 citation statements)
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“…The environment experienced by the mother plant frequently affects germination of the progeny by modifying dormancy levels (Penfield & Springthorpe, ; He et al ., ; Auge et al ., ; Burghardt et al ., ; Edwards et al ., ; Leverett et al ., ). Changes in the maternal environment can do so even if developing seeds themselves do not experience those changes, as observed here.…”
Section: Discussionmentioning
confidence: 97%
“…The environment experienced by the mother plant frequently affects germination of the progeny by modifying dormancy levels (Penfield & Springthorpe, ; He et al ., ; Auge et al ., ; Burghardt et al ., ; Edwards et al ., ; Leverett et al ., ). Changes in the maternal environment can do so even if developing seeds themselves do not experience those changes, as observed here.…”
Section: Discussionmentioning
confidence: 97%
“…Such context-dependent expression of parental environment effects has been documented in a number of plant and animal taxa (e.g., Schmitt et al, 1992; Galloway, 1995; Hereford and Moriuchi, 2005; Miller et al, 2012; Leverett et al, 2016). In Sheepshead minnow fish ( Cyprinodon variegatus ), for example, the effects of parental temperature treatment were expressed differently depending on the temperature experienced by juvenile offspring (Salinas and Munch, 2012).…”
Section: Discussionmentioning
confidence: 97%
“…temperatures and increased salinity in the offspring environment were only observed when maternal plants were not grown in these environments (Zhang et al, 2012;Vu et al, 2015;Leverett et al, 2016;Moriuchi et al, 2016). This masking can occur when the maternal treatment alone maximized germination or induced such intense dormancy that progeny cues were not able to overcome it.…”
Section: Reviewmentioning
confidence: 99%
“…1aiii). For instance, seeds may perceive no competitors, but they may be exposed to intense competition later; maternal parents have information on environments likely to be experienced later in the season, at a time when these cues are not yet available to progeny (Leverett et al, 2016). If so, selection could favor a response to maternal rather than progeny environments.…”
Section: Autocorrelation Between Environmental Cues and Environments mentioning
confidence: 99%