Relationships between photosynthesis, nitrogen and leaf structure in 14 grass species and their dependence on the basis of expression

Garnier, Éric; Salager, Jean‐Louis; Laurent, G; Sonié, Laurette

doi:10.1046/j.1469-8137.1999.00426.x

Cited by 103 publications

(95 citation statements)

References 34 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…A number of studies have documented large-scale patterns of, and potential driving forces for plant functional traits (Castro-Díez et al 2000;Garnier et al 1999;He et al 2009;Niinemets 2001;Reich and Oleksyn 2004;Reich et al 1997;Shipley and Lechowicz 2000;Wright et al 2004). These efforts have revealed that (1) regardless of biome, life form, or phylogenetic history, the scaling of bivariate and multiple trait relations are generally similar and predictable (He et al 2009;Reich and Oleksyn 2004;Reich et al 1997;Wright et al 2004), (2) across biomes, species, and research sites, the modulation of leaf traits by climate is surprisingly modest , although some significant patterns can be detected, and (3) differences in key attributes, including life-form, phenology, phylogenetic history, and ecological strategies, are related to variation in leaf traits (Reich et al 2003).…”

Section: Introductionmentioning

confidence: 99%

Taxonomic identity, phylogeny, climate and soil fertility as drivers of leaf traits across Chinese grassland biomes

Wang

Schmid

et al. 2010

J Plant Res

View full text Add to dashboard Cite

Although broad-scale inter-specific patterns of leaf traits are influenced by climate, soil, and taxonomic identity, integrated assessments of these drivers remain rare. Here, we quantify these drivers in a field study of 171 plant species in 174 sites across Chinese grasslands, including the Tibetan Plateau, Inner Mongolia, and Xinjiang. General linear models were used to partition leaf trait variation. Of the total variation in leaf traits, on average 27% is due to taxonomic or phylogenetic differences among species within sites (pure species effect), 29%to variation among sites within species (pure site effect), 38% to joint effects of taxonomic and environmental factors (shared effect), and 6.2% to within-site and within-species variation. Examining the pure site effect, climate explained 7.8%, soil explained 7.4%, and climate and soil variables together accounted for 11%, leaving 18% of the inter-site variation due to factors other than climate or soil. The results do not support the hypothesis that soil fertility is the "missing link" to explain leaf trait variation unexplained by climatic factors.Climate-and soil-induced leaf adaptations occur mostly among species, and that leaf traits vary little within species in Chinese grassland plants, despite strongly varying climate and soil conditions.

show abstract

Section: Introductionmentioning

confidence: 99%

Taxonomic identity, phylogeny, climate and soil fertility as drivers of leaf traits across Chinese grassland biomes

Wang

Schmid

et al. 2010

J Plant Res

View full text Add to dashboard Cite

show abstract

“…Leaves acclimated to shade tend to have higher net photosynthetic rates at lower light levels and a lower light compensation point compared with sun leaves (Givnish, 1988). To compare plants/species with different leaf thicknesses, previous studies have used mass integrated photosynthesis as a proxy to assess the photosynthetic efficiency of plants with different volumes of photosynthetic tissues (Garnier et al, 1999;Evans and Poorter, 2001;Wright et al, 2001). Previous studies investigating developmental acclimation have focused primarily on the effect of light intensity, with less emphasis given to the effect of dynamic light during growth, like that experienced under a natural environment.…”

mentioning

confidence: 99%

Importance of Fluctuations in Light on Plant Photosynthetic Acclimation

et al. 2017

View full text Add to dashboard Cite

The acclimation of plants to light has been studied extensively, yet little is known about the effect of dynamic fluctuations in light on plant phenotype and acclimatory responses. We mimicked natural fluctuations in light over a diurnal period to examine the effect on the photosynthetic processes and growth of Arabidopsis (Arabidopsis thaliana). High and low light intensities, delivered via a realistic dynamic fluctuating or square wave pattern, were used to grow and assess plants. Plants subjected to square wave light had thicker leaves and greater photosynthetic capacity compared with fluctuating light-grown plants. This, together with elevated levels of proteins associated with electron transport, indicates greater investment in leaf structural components and photosynthetic processes. In contrast, plants grown under fluctuating light had thinner leaves, lower leaf light absorption, but maintained similar photosynthetic rates per unit leaf area to square wave-grown plants. Despite high light use efficiency, plants grown under fluctuating light had a slow growth rate early in development, likely due to the fact that plants grown under fluctuating conditions were not able to fully utilize the light energy absorbed for carbon fixation. Diurnal leaf-level measurements revealed a negative feedback control of photosynthesis, resulting in a decrease in total diurnal carbon assimilated of at least 20%. These findings highlight that growing plants under square wave growth conditions ultimately fails to predict plant performance under realistic light regimes and stress the importance of considering fluctuations in incident light in future experiments that aim to infer plant productivity under natural conditions in the field.In the natural environment, plants experience a range of light intensities and spectral properties due to changes in sun angle and cloud cover in addition to shading from overlapping leaves and neighboring plants. Therefore, leaves are subjected to spatial and temporal gradients in incident light, which has major consequences for photosynthetic carbon assimilation (Pearcy, 1990;Chazdon and Pearcy, 1991;Pearcy and Way, 2012). As light is the key resource for photosynthesis, plants acclimate to the light environment under which they are grown to maintain performance and fitness. Acclimation involves altering metabolic processes (including light harvesting and CO 2 capture) brought about by a range of mechanisms, from adjustments to leaf morphology to changes in photosynthetic apparatus stoichiometry (Terashima et al., 2006;Athanasiou et al., 2010;Kono and Terashima, 2014), all of which impact on photosynthesis. The primary determinant of crop yield is the cumulative rate of photosynthesis over the growing season, which is regulated by the amount of light captured by the plant and the ability of the plant to efficiently use this energy to convert CO 2 into biomass and harvestable yield (Sinclair and Muchow, 1999). Currently, considerable research efforts in plant biology focus on improving performance,...

show abstract

“…These differences in SWC between treatments are of considerable magnitude, which could be demonstrated by an estimate of its succulence, in approximate terms. Assuming that fresh mass value of an organ can be used as a proxy for their volume (Garnier et al, 1999) . These values are between ten and fifteen times greater than those corresponding in leaves (Figure 4).…”

Section: Resultsmentioning

confidence: 99%

The relationship between succulence and shoot biomass differences according to nutritional status in Jatropha curcas L.

Santos¹,

Silva²,

França³

et al. 2015

Afr. J. Agric. Res.

View full text Add to dashboard Cite

Diverse types of studies have examined the application of Jatropha curcas L. as a source of biofuel. Mineral nutrition levels modify the patterns of crops' growth and productivity, as well as the expression of morphophysiological traits of adaptive value. This study investigated the effects of nutrient solution concentration on biomass partition patterns and morphological attributes linked to water content in organs of J. curcas. Selected seedlings of accession 842 were cultivated in full experimental nutritive solution, and in solutions diluted to half concentration and a quarter concentration, all adjusted to pH 6.0. After 28 days under controlled conditions, plants were harvested and measured for height, leaf area and fresh and dry mass of leaves, petioles, stems, roots and total mass. From these data, specific leaf mass, leaf succulence and stem water content levels were calculated. The results indicated that according to increased nutritive solution concentration, plant shoots had up to a two-fold increase in height, and that a decrease in these concentrations caused drastic root and total dry mass reduction. At full concentration, there was a tendency towards dry mass allocation in roots. Comparatively, leaf traits were very sensitive to nutritional level without affecting leaf succulence. Contrastingly, relative to stems, these values significantly increased according to increased nutritive concentration. It could be concluded that beyond its productive importance, the nutritional level available to these plants exerts a positive influence on tissue water contents of succulent stems, whose ecophysiological importance demand additional studies. key words: Leaf area, relative concentration of nutritive solution, specific leaf dry mass, stem succulence.

show abstract

Relationships between photosynthesis, nitrogen and leaf structure in 14 grass species and their dependence on the basis of expression

Cited by 103 publications

References 34 publications

Taxonomic identity, phylogeny, climate and soil fertility as drivers of leaf traits across Chinese grassland biomes

Taxonomic identity, phylogeny, climate and soil fertility as drivers of leaf traits across Chinese grassland biomes

Importance of Fluctuations in Light on Plant Photosynthetic Acclimation

The relationship between succulence and shoot biomass differences according to nutritional status in Jatropha curcas L.

Contact Info

Product

Resources

About