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41 results for “Seed Mass”
Fig. 1 in Unique localization of jasmonic acid-related compounds in developing Phaseolus vulgaris L. (common bean) seeds revealed through desorption electrospray ionization-mass spectrometry imaging
Fig. 1. DESI-MSI analysis of JA-related compounds in the developing Phaseolus vulgaris seeds. (a) Optical image of the section. (b) Mass spectrum obtained from the section. Ion images of m/z (c) 277.2172, (d) 291.1953, and (e) 293.2117. Three different developing seeds were analyzed, and the results from one are shown as representative data. Scale bar = 2 mm. Compound names are defined in Table 1.
Fig. 3 in Unique localization of jasmonic acid-related compounds in developing Phaseolus vulgaris L. (common bean) seeds revealed through desorption electrospray ionization-mass spectrometry imaging
Fig. 3. LC-ESI-MS analysis of JA-related compounds in the extracts from the radicle and seed coat of developing Phaseolus vulgaris seeds. Base peak chromatogram of m/z 277.2173 ±10 ppm for (a) radicle and (b) seed coat, m/z 291.1966 ± 10 ppm for (c) radicle and (d) seed coat, and m/z 293.2122 ± 10 ppm for (e) radicle and seed coat, respectively. Peaks with arrow indicates JA-related compounds: (a) and (b) αLA, (c) and (d) OPDA, and (e) and (f) OPC-8:0. Compound names are defined in Table 1.
Data from: Mating system and historical climate conditions affect population mean seed mass: evidence for adaptation and a new component of the selfing syndrome in Clarkia
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Data from: Ecological niche and phylogeny explain distribution of seed mass in the Central European flora
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Data from: Aging in an herbaceous plant: increases in mortality and decreases in physiology and seed mass
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Data from: Does multiple paternity affect seed mass in angiosperms? An experimental test in Dalechampia scandens
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Data from: Transgenerational genetic effects help explain latitudinal variation in seed mass and germination timing in Plantago lanceolata
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Seed dormancy and germination traits of 27 species inhabiting the degraded karst mountain from central Yunnan-Guizhou Plateau: Seed mass and moisture content correlates with germination capacity
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Data from: Tradeoff between physical and chemical defense in plant seeds is mediated by seed mass
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Data from: Can body mass and skull morphology predict seed and fruit ingestion potential for mammal species? A test using extant species and its application to extinct species
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Data from: Seed dormancy explains plant response to mass mortality events
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Seed mass, hardness and phylogeny determine the potential for endozoochory by granivorous waterbirds
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Effects of seed mass on seed foraging behaviors of two sympatric rodent species
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Data from: The triangular seed mass-leaf area relationship holds for annual plants and is determined by habitat productivity
Plant allometries help us to understand resource allocation in plants and provide insight into how communities are structured. For woody species, a triangular allometric relationship between seed size and leaf size occurs in which all combinations are all possible, except for species with big seeds and small leaves (Cornelissen 1999). This relationship is thought to be a consequence of between habitat variation in abiotic conditions. In this study, we tested if the triangular relationship between seed mass and leaf area holds for annual species, and if variation in soil productivity and light (measured as Ellenberg indicator values: EIVs) are driving this relationship. We show that the triangular relationship also holds for annuals, which suggests that the allometric combinations between leaf area and seed mass are conserved across life-forms. The triangular relationship was driven by between-habitat variation in soil productivity. This means that as soil productivity increases, plants with bigger leaves could have either big or small seeds. However, in low soil productivity habitats, plants are constrained in their options, and plants with small leaves can only have small seeds.
Data from: Root:shoot ratio in developing seedlings: how seedlings change their allocation in response to seed mass and ambient nutrient supply
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Data from: The roles of interspecific variability in seed mass and soil resource availability in root system development
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Data from: The triangular seed mass-leaf area relationship holds for annual plants and is determined by habitat productivity
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Data from: Do large-seeded herbs have a small range size? The seed mass-distribution range trade-off hypothesis
We aimed to introduce and test the "seed mass–distribution range trade-off" hypothesis, that is, that range size is negatively related to seed mass due to the generally better dispersal ability of smaller seeds. Studying the effects of environmental factors on the seed mass and range size of species, we also aimed to identify habitats where species may be at risk and need extra conservation effort to avoid local extinctions. We collected data for seed mass, global range size, and indicators for environmental factors of the habitat for 1,600 species of the Pannonian Ecoregion (Central Europe) from the literature. We tested the relationship between species' seed mass, range size, and indicator values for soil moisture, light intensity, and nutrient supply. We found that seed mass is negatively correlated with range size; thus, a seed mass–distribution range trade-off was validated based on the studied large species pool. We found increasing seed mass with decreasing light intensity and increasing nutrient availability, but decreasing seed mass with increasing soil moisture. Range size increased with increasing soil moisture and nutrient supply, but decreased with increasing light intensity. Our results supported the hypothesis that there is a trade-off between seed mass and distribution range. We found that species of habitats characterized by low soil moisture and nutrient values but high light intensity values have small range size. This emphasizes that species of dry, infertile habitats, such as dry grasslands, could be more vulnerable to habitat fragmentation or degradation than species of wet and fertile habitats. The remarkably high number of species and the use of global distribution range in our study support our understanding of global biogeographic processes and patterns that are essential in defining conservation priorities.
Effects of Vaginal Seeding on Infants' Body Mass Index and Allergy Risk for Caesarean-delivered Children
ClinicalTrials.gov study NCT03809390. IPD Sharing: YES. Countries: 1. Publications: 0.
Data from: Do large-seeded herbs have a small range size? The seed mass-distribution range trade-off hypothesis
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