March 15, 2018

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  • Arid grassland

    Grass florets bet-hedge against unpredictable rainfall in arid landscapes

    Seed germination in the arid zone is a high-risk event. For grasses specifically, the ancillary bracts of the floret surrounding the seed have been associated with innate dormancy mechanisms, resulting in infrequent recruitment even under favourable rainfall. Lewandrowski et al. investigate the effects of environmental cues such as temperature, water stress and smoke, on seed […] More