2020
DOI: 10.1038/s41598-020-62909-9
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RETRACTED ARTICLE: Fire and summer temperatures work together breaking physical seed dormancy

Abstract: Fire and high summer soil temperatures can break physical seed dormancy in Mediterranean fire-prone ecosystems. Their independent effect is somewhat recognized but both factors may act together with a synergistic effect yet unknown. This study aims to determine the isolated and combined effects of fire and summer temperatures on the release of physical seed dormancy in Cistaceae species. Fire and summer temperature treatments were applied in a factorial experiment to seeds of 12 species of Cistaceae. Seeds pre… Show more

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Cited by 19 publications
(12 citation statements)
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References 65 publications
(96 reference statements)
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“…In the Mediterranean region, it has dominant nature, with adaptation to extreme environmental factors such as the ability to survive in low hydric and high solar exposition conditions [3][4][5]. Moreover, it is a pyrophyte plant [6,7] and often forms dense scrub communities that produce phytotoxic compounds (likely allelopathic) that may have inhibitory effects on the herbaceous understorey [3,[8][9][10][11]. Therefore, Cistus ladanifer can eliminate competition and become a colonising species.…”
Section: Introductionmentioning
confidence: 99%
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“…In the Mediterranean region, it has dominant nature, with adaptation to extreme environmental factors such as the ability to survive in low hydric and high solar exposition conditions [3][4][5]. Moreover, it is a pyrophyte plant [6,7] and often forms dense scrub communities that produce phytotoxic compounds (likely allelopathic) that may have inhibitory effects on the herbaceous understorey [3,[8][9][10][11]. Therefore, Cistus ladanifer can eliminate competition and become a colonising species.…”
Section: Introductionmentioning
confidence: 99%
“…W is the main producer [15], but there is great potentia dura, Castilla La Mancha and Castilla y León (Wester Wildland fire is one of the major disturbance factors in Mediterranean ecosystems [7] and shrub clearings, together with other actions, have been shown to be an effective method to control fires and improve the land management of abandoned areas [14]. In this sense, and considering that Cistus ladanifer is a fire-prone plant species [6,7], clearings in areas where this plant is dominant and form dense and continuous shrubs could prevent fires and generate substantial amounts of sustainable raw material to obtain high added value products and bioenergy within the biorefinery concept.…”
Section: Introductionmentioning
confidence: 99%
“…Arán et al (2017) demonstrated in seeds of A. melanoxylon soil bank that not all seeds of soil bank respond to fire; there remains a part of dormant seeds that could break dormancy through other mechanisms, such as scarification by friction with soil particles or the expansion and contraction caused by summer temperatures. This loss of dormancy can be added to that caused by fire in some species (Santana et al 2010(Santana et al , 2013Luna 2020), generating extensive germination in mature seeds. Also, heat was the only fire factor studied in this paper that produced significant effects on the germination of A. longifolia and A. mearnsii.…”
Section: Discussionmentioning
confidence: 99%
“…Fire also plays an important role shaping plant communities in many ways, driving their diversity (He et al 2019), shaping plant traits (Keeley et al 2011), creating open gaps, and modifying the dormancy and germination of many species (Auld and O'Connell 1991;Reyes and Casal 2008). Fire and summer temperatures work together breaking seed dormancy (Luna 2020), opening the possibility for new species to establish in natural communities or even become dominant. Since germination is the most critical stage in the life cycle of many plants, the influence of fire on seed dormancy breaking and germination may be decisive for the establishment of native (Reyes et al 2000) and invasive alien species (IAS) (Arán et al 2017).…”
Section: Introductionmentioning
confidence: 99%
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