Applicability and Limitations of Optimal Biomass Allocation Models: A Test of Two Species from Fertile and Infertile Habitats

Osone, Yoko; Tateno, Masaki

doi:10.1093/aob/mci133

Cited by 33 publications

(23 citation statements)

References 41 publications

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“…This agrees with optimal biomass allocation models (Osone and Tateno 2005), i.e. seedlings adjust biomass allocation in response to environment stress.…”

Section: Seedlings Can Survive In Low Salinitysupporting

confidence: 87%

Responses of caryopsis germination, early seedling growth and ramet clonal growth of Bromus inermis to soil salinity

et al. 2008

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Bromus inermis is a dominant rhizomatous grass in Otindag Sandland of North China, where soil salinization is increasing. We studied responses of caryopsis germination, early seedling growth and ramet integrative growth of this clonal plant to salinity. Caryopses germinated in NaCl solutions ≤0.2 M. Ungerminated caryopses treated with >0.02 M NaCl germinated after transfer to 0.02 M NaCl, and percentage germination recovery increased with treatment NaCl concentration. No seedlings survived NaCl concentrations >0.3 M. At 0.3 M NaCl, biomass and height of seedlings significantly decreased with increase in treatment NaCl concentration, but root/shoot ratio significantly increased. Ramets exposed to high salinity survived if interconnected to a neighbour ramet not exposed to salinity. However, if interconnections were severed ramets exposed to high salinity died. Thus, B. inermis is adapted to the saline environment in Otindag Sandland in both the asexual and sexual stages of its life cycle.

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“…This agrees with optimal biomass allocation models (Osone and Tateno 2005), i.e. seedlings adjust biomass allocation in response to environment stress.…”

Section: Seedlings Can Survive In Low Salinitysupporting

confidence: 87%

Responses of caryopsis germination, early seedling growth and ramet clonal growth of Bromus inermis to soil salinity

et al. 2008

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“…Our results suggest a higher plasticity in N use efficiency for low N accession plants as compared to plants from high N regions. These findings are in agreement with an earlier study by Osone and Tateno (2005) who reported reduced plasticity in biomass allocation (R/S ratio) for plants from fertile soils as compared to plants from infertile soils. According to Bloom et al (1985), plants act similarly to economic theorems maximizing their efficiency and optimal resource allocation.…”

Section: Effects Of Accession On the Response To Nitrogensupporting

confidence: 93%

“…As already suggested by Vergeer et al (2008), plants have the potential to adapt to long term changes in N exposure and it was suggested that this adaptive response may evolve at the cost of plasticity (see also Osone and Tateno 2005). Indeed Useche and Shipley (2010) found that plasticity in root biomass production was adaptive and related to relative growth rate (RGR).…”

Section: Implications Of These Resultsmentioning

confidence: 86%

The importance of considering origin in effects of nitrogen deposition on plant performance and competitive ability

Wedlich

Vergeer²,

Ashmore

et al. 2015

Plant Soil

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Background and Aims Differential capacity of species/ genotypes to respond to increased atmospheric N deposition may be an important long-term driver of species composition change. In this study, differences in response to atmospheric N deposition were analysed for different accessions of Prunella vulgaris. Methods P. vulgaris plants deriving from different N deposition accessions (0-15, 15-25 and 25-35 kg N ha −1 yr −1 ) were exposed to different N treatments (10 or 30 kg N ha −1 yr −1 ), with and without competition with the grass Bromus erectus. After 8 months, plant performance and differences in competitive ability were determined. Results Strong effects of accession were found, often in interaction with N treatment: P. vulgaris plants from populations with low N deposition backgrounds often outperformed plants from medium to high N backgrounds, illustrated by greater biomass at high N treatment and higher chlorophyll and leaf N concentrations at low N treatments. When grown in competition, however, a strong decrease in biomass was observed for plants from all accessions. Conclusion All accessions of P. vulgaris showed a low competitive ability. Plants from low N accessions proved to be most sensitive to competition in terms of root biomass. However, in the absence of competition, low N accessions showed a greater plasticity in nitrogen use efficiency. These results illustrate the importance of including accession when considering effects of N deposition.

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“…These patterns suggest that both leaf gas exchange and plant hydraulic capacity are determined by the root system morphology. A higher SRL has been associated with a higher nitrogen absorption rate, which, in turn, is correlated with plant functional responses as increases in maximum relative growth rate (Osone and Tateno 2005). The positive correlation between SRL and K As indicates that the root systems characterized by less massive roots per unit length have a higher hydraulic conductance.…”

Section: Morphological Traits Among Speciesmentioning

confidence: 99%

Morphological traits and water use strategies in seedlings of Mediterranean coexisting species

et al. 2009

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The distribution of plants is associated with their different patterns of response to their environment. Mediterranean plants have evolved a number of morphological and physiological adaptations that determine their ability to survive and grow, being an effective water uptake and use important factors for drought resistance. In this article, we evaluated interspecific differences in morphology, biomass allocation, and architectural traits and their relationship with water use strategies in seedlings of seven co-occurring Mediterranean species (Anthyllis cytisoides L., Genista scorpius L. DC., Myrtus communis L., Pistacia lentiscus L., Rosmarinus officinalis L., Spartium junceum L. and Ulex parviflorus Pourr.). The results showed that morphological root features vary among species and they are significantly correlated with root hydraulic conductance and leaf gas exchange variables. Species with high specific root length (SRL) showed a low hydraulic conductance per root length (K RRL ) but high specific hydraulic conductance (K As ). M. communis and P. lentiscus showed the most contrasting water use patterns with respect to the other species studied. The results are not affected when considering phylogenetic relatedness. Thus, the variability observed in root hydraulic properties and leaf gas exchange suggests important mechanisms for understanding species coexistence in water-limited ecosystems.

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Applicability and Limitations of Optimal Biomass Allocation Models: A Test of Two Species from Fertile and Infertile Habitats

Cited by 33 publications

References 41 publications

Responses of caryopsis germination, early seedling growth and ramet clonal growth of Bromus inermis to soil salinity

Responses of caryopsis germination, early seedling growth and ramet clonal growth of Bromus inermis to soil salinity

The importance of considering origin in effects of nitrogen deposition on plant performance and competitive ability

Morphological traits and water use strategies in seedlings of Mediterranean coexisting species

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