ArticleBMC plant biology2022
Effect of temperature and water potential on the germination of seeds from three different populations of Bidens pilosa as a potential Cd hyperaccumulator.
Article in BMC plant biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Environmental regulation of seed germination and emergence in two populations of Cyperus rotundus L. (Cyperaceae), a weed species with industrial potential.BMC plant biology · 2026Article
- Quantifying germination cardinal temperatures of ten forage legumes using non-linear regression models.Frontiers in plant science · 2026Article
- Hints of Biological Activity of Xerosydryle: Preliminary Evidence on the Early Stages of Seedling Development.International journal of molecular sciences · 2024Article
- The Invasive Mechanisms of the Noxious Alien Plant SpeciesPlants (Basel, Switzerland) · 2024Review
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Abstract
backgroundBidens pilosa L., an annual herb, has recently been shown to be a potential Cd-hyperaccumulating plant. The germination characteristics of B. pilosa have been documented, while the difference among populations remains unclear. Understanding variability in seed germination among populations is crucial for determining which populations to use for soil remediation programs.
resultsPresent study was conducted to compare the requirements of temperature and water potential for germination of B. pilosa cypselae (the central type, hereafter seeds) from three populations using the thermal time, hydrotime, and hydrothermal time models. Seeds of three populations were incubated at seven constant temperatures (8, 12, 15, 20, 25, 30, and 35 °C) and at each of four water potentials (0, -0.3, -0.6, and -0.9 MPa). The results showed that germination percentage and rate of B. pilosa seeds were significantly by population, temperature, water potential and their interaction except for the interaction of population and water potential. Seeds from Danzhou population displayed a higher base temperature (T
conclusionSeed germination requirements of B. pilosa on temperature and water differed significantly among populations. Differences in seed germination among populations may be complicated, which could not be simply explained by the temperature and rainfall conditions where the seeds were produced as previously reported. The results suggested that programme management should consider variation in seed germination traits when select which population could be applied to what kind of target remediation sites.
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