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Готові списки джерел за темами / Photosynthetic biomass / Статті в журналах

Щоб переглянути інші типи публікацій з цієї теми, перейдіть за посиланням: Photosynthetic biomass.

Статті в журналах з теми "Photosynthetic biomass"

Автор: Grafiati

Опубліковано: 9 вересня 2021

Оновлено: 29 липня 2025

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1

Heyneke, Elmien, and Alisdair R. Fernie. "Metabolic regulation of photosynthesis." Biochemical Society Transactions 46, no. 2 (2018): 321–28. http://dx.doi.org/10.1042/bst20170296.

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Photosynthesis is fundamental to biomass production, but is a dynamic process sensitive to environmental constraints. In recent years, approaches to increase biomass and grain yield by altering photosynthetically related processes in the plant have received considerable attention. However, improving biomass yield requires a predictive understanding of the molecular mechanisms that allow photosynthesis to be adjusted. The important roles of metabolic reactions external to those directly involved in photosynthesis are highlighted in this review; however, our major focus is on the routes taken to

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2

Pierson, D. C. "The Importance of Phytoplankton Photoadaptation in Influencing Estimates of Integral Photosynthesis." Hydrology Research 20, no. 1 (1989): 53–72. http://dx.doi.org/10.2166/nh.1989.0005.

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The rates of light limited (αB) and light saturated (PmaxB) photosynthesis per unit chlorophyll often showed significant differences between samples collected from the top and the bottom of the mixed layer in Lake Erken (59° 51′ N). The importance of these vertical variations to the photosynthetic rate of the lake as a whole was examined by systematically changing the vertical weighting given to the biomass specific photosynthetic rates associated with each depth, when calculating integral photosynthesis. These simulations, carried out over the 3 month period from July to September of 1987, su

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3

Liu, Xiang, Shenghao Gu, Weiliang Wen, et al. "Disentangling the Heterosis in Biomass Production and Radiation Use Efficiency in Maize: A Phytomer-Based 3D Modelling Approach." Plants 12, no. 6 (2023): 1229. http://dx.doi.org/10.3390/plants12061229.

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Maize (Zea mays L.) benefits from heterosis in-yield formation and photosynthetic efficiency through optimizing canopy structure and improving leaf photosynthesis. However, the role of canopy structure and photosynthetic capacity in determining heterosis in biomass production and radiation use efficiency has not been separately clarified. We developed a quantitative framework based on a phytomer-based three-dimensional canopy photosynthesis model and simulated light capture and canopy photosynthetic production in scenarios with and without heterosis in either canopy structure or leaf photosynt

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4

Rogiers, Suzy Y., Dennis H. Greer, Francesca J. Moroni, and Tintu Baby. "Potassium and Magnesium Mediate the Light and CO2 Photosynthetic Responses of Grapevines." Biology 9, no. 7 (2020): 144. http://dx.doi.org/10.3390/biology9070144.

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Potassium (K) and magnesium (Mg) deficiency are common stresses that can impact on grape yield and quality, but their effects on photosynthesis have received little attention. Understanding the diffusional and biochemical limitations to photosynthetic constraints will help to guide improvements in cultural practices. Accordingly, the photosynthetic response of Vitis vinifera cvs. Shiraz and Chardonnay to K or Mg deficiency was assessed under hydroponic conditions using miniature low-nutrient-reserve vines. Photosynthesis was at least partly reduced by a decline in stomatal conductance. Light a

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5

Wang, Tengqi, Qiying Sun, Yinjian Zheng, Yaliang Xu, Binbin Liu, and Qingming Li. "Effects of Red and Blue Light on the Growth, Photosynthesis, and Subsequent Growth under Fluctuating Light of Cucumber Seedlings." Plants 13, no. 12 (2024): 1668. http://dx.doi.org/10.3390/plants13121668.

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The effects of red and blue light on growth and steady-state photosynthesis have been widely studied, but there are few studies focusing on dynamic photosynthesis and the effects of LED pre-treatment on cucumber seedlings’ growth, so in this study, cucumber (Cucumis sativus L. cv. Jinyou 365) was chosen as the test material. White light (W), monochromatic red light (R), monochromatic blue light (B), and mixed red and blue lights with different red-to-blue ratios (9:1, 7:3, 5:5, 3:7, and 1:9) were set to explore the effects of red and blue light on cucumber seedlings’ growth, steady-state photo

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6

Wang, Haoyun, Feng Wu, Min Li, Daqu Liang, and Guijie Ding. "Heteroblastic Foliage Affects the Accumulation of Non-Structural Carbohydrates and Biomass in Pinus massoniana (Lamb.) Seedlings." Forests 12, no. 12 (2021): 1686. http://dx.doi.org/10.3390/f12121686.

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Pines have heteroblastic foliage (primary and secondary needles) during seedling stage, but how heteroblastic foliage affects carbon storage and biomass accumulation, contributing to seedling quality, is unclear. We investigated the influences of heteroblastic foliage on photosynthetic physiological characteristics, non-structural carbohydrate (NSC) and biomass accumulation in current-year seedlings; the key factors determining biomass accumulation were mainly determined by principal component screening, Spearman correlation, and path analysis. The results indicated that (1) primary needles ha

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7

Liu, Si Jia, Zhi Tong Zhao, Xiao Dan Yu, Hong Chao Li, and Yun Wei Zhang. "Analysis on Photosynthetic Characteristics and Carbon Sequestration Potential of Lespedeza bicolor of SP1 Generation." Advanced Materials Research 518-523 (May 2012): 4985–93. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.4985.

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Lespedeza bicolor has developed root system and the ability of carbon sequestration, which can effectively improve the soil nutrient. We measured the correlation of net photosynthetic rate and physiological and environmental factors using space mutated Lespedeza bicolor of SP1 generation, the change of soil carbon and nitrogen content and microbial biomass was also discussed. The conclusion showed that the diurnal variation of photosynthesis was registered as double－peak curve and had "noon break" phenomenon. It showed strong ability of photosynthesis and its mean diurnal photosynthetic rates

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8

Makhsudov, Sh. "Effect of Potash Fertilizers on Changes in Some Physiological Parameters of Beetroot (Beta vulgaris var. esculenta Salisb.) under Absheron Conditions." Bulletin of Science and Practice, no. 9 (September 15, 2023): 123–32. http://dx.doi.org/10.33619/2414-2948/94/14.

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During the years of research, depending on the norms of fertilizers, the leaf surface area, the content of chlorophyll in the leaves, the photosynthetic potential of the sowing field, the coefficient of economic efficiency of photosynthesis, the specific surface density of the leaves, the total wet and dry biomass were studied plants, and the results were subjected to statistical processing and their level of reliability was assessed. The introduction of organic and mineral fertilizers for beetroot plants has a positive effect on the leaf surface area, the value of photosynthetic potential, th

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9

Li, Yu-Ting, Hui-Yuan Gao, and Zi-Shan Zhang. "Effects of Environmental and Non-Environmental Factors on Dynamic Photosynthetic Carbon Assimilation in Leaves under Changing Light." Plants 12, no. 10 (2023): 2015. http://dx.doi.org/10.3390/plants12102015.

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Major research on photosynthesis has been carried out under steady light. However, in the natural environment, steady light is rare, and light intensity is always changing. Changing light affects (usually reduces) photosynthetic carbon assimilation and causes decreases in biomass and yield. Ecologists first observed the importance of changing light for plant growth in the understory; other researchers noticed that changing light in the crop canopy also seriously affects yield. Here, we review the effects of environmental and non-environmental factors on dynamic photosynthetic carbon assimilati

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10

Perveen, Shahnaz, Mingnan Qu, Faming Chen, et al. "Overexpression of maize transcription factor mEmBP-1 increases photosynthesis, biomass, and yield in rice." Journal of Experimental Botany 71, no. 16 (2020): 4944–57. http://dx.doi.org/10.1093/jxb/eraa248.

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Abstract Identifying new options to improve photosynthetic capacity is a major approach to improve crop yield potential. Here we report that overexpression of the gene encoding the transcription factor mEmBP-1 led to simultaneously increased expression of many genes in photosynthesis, including genes encoding Chl a,b-binding proteins (Lhca and Lhcb), PSII (PsbR3 and PsbW) and PSI reaction center subunits (PsaK and PsaN), chloroplast ATP synthase subunit, electron transport reaction components (Fd1 and PC), and also major genes in the Calvin–Benson–Bassham cycle, including those encoding Rubisc

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11

Ryplova, Renata, Jan Pokorny, and Marek Baxa. "Education for Sustainability: Innovative Teaching on Photosynthesis of Aquatic Plants in Ecological Context." European Journal of Sustainable Development 12, no. 4 (2023): 69. http://dx.doi.org/10.14207/ejsd.2023.v12n4p69.

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Eutrophication due to high load of nutrients from the catchment is significant worldwide problem causing impairment of water ecosystems and water quality. The reason is tight connection of eutrophication with photosynthetic biomass production of blue green algae resulting in extreme changes of oxygen level, anoxia at the bottom and release of toxic substances in water. Acceleration and extension of eutrophication due to human activities together with insufficient human understanding of the ecological role of photosynthesis of aquatic plants leads to inappropriate water and landscape management

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12

Moline, Mark A., Oscar Schofield, and Nicolas P. Boucher. "Photosynthetic parameters and empirical modelling of primary production: a case study on the Antarctic Peninsula shelf." Antarctic Science 10, no. 1 (1998): 45–54. http://dx.doi.org/10.1017/s0954102098000078.

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Eight hundred photosynthesis-irradiance relationships were determined in the shelf waters adjacent to Palmer Station, Antarctica during the spring/summer periods of 1991–94. Biomass specific maximum photosynthetic rate, PBmax, and the light limited photosynthetic efficiency, αB, were poorly correlated to the physical forcing and nutrient regimes at the sampling stations. The two photosynthetic parameters, however, did strongly covary indicating the minimum irradiance required to saturate photosynthesis, Ik, was relatively constant in this highly variable environment. The variability in Ik coul

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13

Thompson, Katharine J., Paul A. Kenward, Kohen W. Bauer, et al. "Photoferrotrophy, deposition of banded iron formations, and methane production in Archean oceans." Science Advances 5, no. 11 (2019): eaav2869. http://dx.doi.org/10.1126/sciadv.aav2869.

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Banded iron formation (BIF) deposition was the likely result of oxidation of ferrous iron in seawater by either oxygenic photosynthesis or iron-dependent anoxygenic photosynthesis—photoferrotrophy. BIF deposition, however, remains enigmatic because the photosynthetic biomass produced during iron oxidation is conspicuously absent from BIFs. We have addressed this enigma through experiments with photosynthetic bacteria and modeling of biogeochemical cycling in the Archean oceans. Our experiments reveal that, in the presence of silica, photoferrotroph cell surfaces repel iron (oxyhydr)oxides. In

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14

Kimura, Haruki, Mimi Hashimoto-Sugimoto, Koh Iba, Ichiro Terashima, and Wataru Yamori. "Improved stomatal opening enhances photosynthetic rate and biomass production in fluctuating light." Journal of Experimental Botany 71, no. 7 (2020): 2339–50. http://dx.doi.org/10.1093/jxb/eraa090.

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Abstract It has been reported that stomatal conductance often limits the steady-state photosynthetic rate. On the other hand, the stomatal limitation of photosynthesis in fluctuating light remains largely unknown, although in nature light fluctuates due to changes in sun position, cloud cover, and the overshadowing canopy. In this study, we analysed three mutant lines of Arabidopsis with increased stomatal conductance to examine to what extent stomatal opening limits photosynthesis in fluctuating light. The slac1 (slow anion channel-associated 1) and ost1 (open stomata 1) mutants with stay-ope

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15

Pacaldo, Renato S., Aileen Mae Galigao, Evelyn V. Bigcas, Nelieta A. Bedoya, and Mark Joseph Buncag. "Ecophysiological Approach in Estimating Biomass Production and Carbon Sequestration Efficiencies along a Chronosequence of Falcata (Falcataria falcata) Plantations in Philippines." IOP Conference Series: Earth and Environmental Science 1506, no. 1 (2025): 012018. https://doi.org/10.1088/1755-1315/1506/1/012018.

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Abstract Solar radiation provides the energy to drive photosynthesis and is the primary agent limiting green plant production. Because the absorbed solar radiation is linearly related to above-ground biomass production, plants’ photosynthetic conversion efficiencies (ɛ) of the solar energy could be used to estimate biomass production and carbon sequestration. How efficiently the plant converts solar radiation energy in biomass production is a critical question that needs a better understanding. This study aims to quantify the photosynthetic conversion efficiencies of Falcata (Falcataria falcat

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16

Ronquim, Carlos Cesar, Carlos Henrique B. de A. Prado, and Nádia Figueiredo de Paula. "Growth and photosynthetic capacity in two woody species of cerrado vegetation under different radiation availability." Brazilian Archives of Biology and Technology 46, no. 2 (2003): 243–52. http://dx.doi.org/10.1590/s1516-89132003000200016.

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Seedlings of two woody species of cerrado vegetation, Copaifera langsdorffii and Eriotheca gracilipes, were studied under three different radiation availability (100, 80 and 30% transmittance). Full solar radiation brought about more biomass, higher total leaf area, higher maximal photosynthesis per crown on area or on mass bases and higher photosynthetic capacity on area bases. Only the photosynthetic capacity values on leaf mass bases were higher in both species under low radiation availability (80 and 30% transmittance). The differences of accumulated biomass appeared more clearly after 4 m

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17

Kitao, Mitsutoshi, Evgenios Agathokleous, Kenichi Yazaki, Masabumi Komatsu, Satoshi Kitaoka, and Hiroyuki Tobita. "Growth and Photosynthetic Responses of Seedlings of Japanese White Birch, a Fast-Growing Pioneer Species, to Free-Air Elevated O3 and CO2." Forests 12, no. 6 (2021): 675. http://dx.doi.org/10.3390/f12060675.

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Plant growth is not solely determined by the net photosynthetic rate (A), but also influenced by the amount of leaves as a photosynthetic apparatus. To evaluate growth responses to CO2 and O3, we investigated the effects of elevated CO2 (550–560 µmol mol−1) and O3 (52 nmol mol−1; 1.7 × ambient O3) on photosynthesis and biomass allocation in seedlings of Japanese white birch (Betula platyphylla var. japonica) grown in a free-air CO2 and O3 exposure system without any limitation of root growth. Total biomass was enhanced by elevated CO2 but decreased by elevated O3. The ratio of root to shoot (R

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18

Capó-Bauçà, Sebastià, Marcel Font-Carrascosa, Miquel Ribas-Carbó, Andrej Pavlovič, and Jeroni Galmés. "Biochemical and mesophyll diffusional limits to photosynthesis are determined by prey and root nutrient uptake in the carnivorous pitcher plant Nepenthes × ventrata." Annals of Botany 126, no. 1 (2020): 25–37. http://dx.doi.org/10.1093/aob/mcaa041.

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Abstract Background and Aims Carnivorous plants can enhance photosynthetic efficiency in response to prey nutrient uptake, but the underlying mechanisms of increased photosynthesis are largely unknown. Here we investigated photosynthesis in the pitcher plant Nepenthes × ventrata in response to different prey-derived and root mineral nutrition to reveal photosynthetic constrains. Methods Nutrient-stressed plants were irrigated with full inorganic solution or fed with four different insects: wasps, ants, beetles or flies. Full dissection of photosynthetic traits was achieved by means of gas exch

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19

Harutyunyan, Ani A., Jemma G. Manoyan, Lusine R. Hambaryan, and Lilit S. Gabrielyan. "EFFECT OF VARIOUS CARBON SOURCES ON THE GROWTH PROPERTIES AND MORPHOLOGY OF $SPIRULINA~PLATENSIS$." Proceedings of the YSU B: Chemical and Biological Sciences 57, no. 2 (261) (2023): 164–71. http://dx.doi.org/10.46991/pysu:b/2023.57.2.164.

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Cyanobacteria generate biomass under photoautotrophic conditions during photosynthesis. Cultivation of cyanobacteria under photoheterotrophic conditions using various organic carbon sources can increase yield of biomass. In the current study, the effect of organic carbon sources on the growth properties and morphology of cyanobacteria Spirulina platensis, as well as the production of the photosynthetic pigments: chlorophyll a, carotenoids, and phycocyanin were investigated. Carbon sources, such as glucose, fructose and succinate, caused not only an increase in the cyanobacterial growth rate, b

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20

Yu, Shuling, Xiaoyu Li, Subang An, Yanli Yang, Na Zhang, and Zhixin Du. "How to Choose a Hydrological Recovery Mode for Degraded Semiarid Wetland in China? A Case Study on Restoration of Phragmites australis Saline-Alkaline Wetland." Sustainability 12, no. 23 (2020): 10103. http://dx.doi.org/10.3390/su122310103.

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Hydrological recovery is the basis for restoring the structure and function of wetlands in semiarid and arid areas of China. Selecting an appropriate hydrological recovery mode may be helpful for improving the effectiveness of wetland restoration. We conducted pot experiments to study the effects of the flooding frequency, duration, depth, and occurrence time on the height, biomass, ion contents, and photosynthetic physiology of Phragmites australis in degraded saline–alkaline marsh in the West Songnen Plain, China. At the end of the growing season, we found that the biomass, photosynthetic pa

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21

Mufeeth, M. M. M., A. N. M. Mubarak, and A. D. N. T. Kumara. "Determination of the Best Performing Sri Lankan Maize Accessions Based on the Photosynthetic, Biomass and Yield Traits." Tropical Agricultural Research 34, no. 3 (2023): 227–36. http://dx.doi.org/10.4038/tar.v34i3.8648.

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Maize (Zea mays L.) is one of the most widely cultivated cereal crops throughout the world and is extensively grown in Sri Lanka. Information on the photosynthetic, biomass and grain yield of local maize accessions are useful for plant breeding programs. However, due to the scarcity of such information, this study aimed to investigate the potentials of maize accessions to select the best performers utilizing the rank summation and selection index criteria. As the first step, the seeds from 14 maize accessions along with two varieties viz; Pacific-999 and Bhadra (control) were established in th

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22

Lyubimova, Anna, and Dmitriy Eremin. "Varietal features of photosynthetic activity of Tyumen seed oats when applying mineral fertilizers." Agrarian Bulletin of the 215, no. 12 (2021): 59–76. http://dx.doi.org/10.32417/1997-4868-2021-215-12-59-76.

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Abstract. The purpose is to study the varietal characteristics of the photosynthetic efficiency of oats when applying fertilizers in Western Siberia. Methods. The research was carried out on an experimental field located in the northern forest-steppe of the Trans-Urals. Photosynthetic potential and net productivity of photosynthesis were determined by the Nichiporovich’s method. Results. The nature of the formation of the assimilation surface and the accumulation of biomass of oat varieties Otrada, Talisman and Foma at different levels of mineral nutrition was studied. The photosynthetic poten

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23

Chand, Krishan, and V. Mishra. "Effect of cutting height on biomass productivity and physiological attributes in four fodder tree species of Himachal Pradesh." Indian Journal of Forestry 31, no. 3 (2008): 405–11. http://dx.doi.org/10.54207/bsmps1000-2008-am60j6.

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The effect of cutting heights viz., 0.5, 1.0, 1.5 and 2.0 m was investigated on biomass productivity and physiological attributes of four fodder trees species i.e. Morus alba, Grewia optiva, Celtis australis and Bauhinia variegata. Morus alba accumulated maximum leaf+branch biomass followed by Grewia optiva, Celtis australis and Bauhinia variegata, respectively. The productivity of leaf, branch and their total improved with increase cutting height up to 2.0 m under all species. The photosynthesis rate and photosynthetic active radiation (PAR) showed non-significant effect due to cutting height

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24

Zhang, Jing, Falong Liu, Qiaohan Wang, Qingli Gong, and Xu Gao. "Effect of Light Wavelength on Biomass, Growth, Photosynthesis and Pigment Content of Emiliania huxleyi (Isochrysidales, Cocco-Lithophyceae)." Journal of Marine Science and Engineering 11, no. 2 (2023): 456. http://dx.doi.org/10.3390/jmse11020456.

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Light wavelength is a critical abiotic factor in modulating the development and pigment accumulation of microalgae. In the present study, we investigated the influences of white, red, blue, yellow, and green light on biomass (cell density), growth (cell diameter and dry weight), net photosynthetic rate, and pigment contents (chlorophyll a, fucoxanthin, and lutein) of the coccolithophore Emiliania huxleyi. The effects of light wavelength change on its cell density and fucoxanthin content were also evaluated. The results showed that blue light significantly stimulated the cell proliferation and

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25

Rajamanickam, Vijay, Krishnapriya Vengavasi, Sandeep Sharma, Akshay Talukdar, and Renu Pandey. "Genotypic variation in diverse bread wheat (Triticum aestivum L.) for photosynthesis related traits, biomass and yield in response to low phosphorus stress." Indian Journal of Genetics and Plant Breeding (The) 84, no. 03 (2024): 346–53. https://doi.org/10.31742/isgpb.84.3.5.

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Phosphorus (P) is an indispensable nutrient for plant growth and development. Deficiency of P adversely affects photosynthesis, biomass accumulation and yield potential in wheat. We evaluated 103 diverse bread wheat (Triticum aestivum L.) genotypes under low P (LP) and optimum P (OP) conditions in terms of photosynthetic traits, biomass, and yield. Results revealed that under LP, transpiration rate (E) significantly increased while net assimilation or photosynthetic rate (A), stomatal conductance (gs), instantaneous-water use efficiency (IWUE), biomass, yield, and harvest index (HI) decreased.

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Li, Zhiqiang, Qinxiang Wu, Yuanying Peng, et al. "Diurnal, Seasonal, and Vertical Changes in Photosynthetic Rates in Cinamomum camphora Forests in Subtropical China." Forests 15, no. 1 (2024): 183. http://dx.doi.org/10.3390/f15010183.

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The increase in the global atmospheric CO2 concentration is expected to increase the productivity of forests, but the dynamic processes of such increased productivity in the forest canopy remain unclear. In this study, diurnal and seasonal variations and vertical changes in photosynthetic rates were investigated in Camphor tree (Cinnamomum camphora) forests in subtropical China. The effect of photosynthetically active radiation (PAR) and CO2 concentrations on photosynthetic rates were also examined in the studied forests. Results showed the diurnal patterns of photosynthesis exhibited two peak

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27

Ladikou, Evangelia-Vasiliki, Gerasimos Daras, Marco Landi, et al. "Physiological and Biochemical Effects of Potassium Deficiency on Apple Tree Growth." Horticulturae 11, no. 1 (2025): 42. https://doi.org/10.3390/horticulturae11010042.

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Potassium (K) is an essential mineral element that supports numerous plant processes, including photosynthesis, enzyme activation, osmoregulation, and nutrient balance. This study investigated how K deficiency impacts growth, physiological performance, and carbohydrate metabolism in ‘Granny Smith’ apple trees grafted onto M9 rootstock. The experimental material was cultivated hydroponically in a greenhouse under four K regimes, including 0.00, 0.75, 1.50, and 3.00 mM K, over 159 days. Deficiency symptoms such as chlorosis and necrosis were observed primarily in basal leaves. A reduced net phot

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Zhong, Rui, Daniel A. Bastías, Xingxu Zhang, Chunjie Li, and Zhibiao Nan. "Vertically Transmitted Epichloë Systemic Endophyte Enhances Drought Tolerance of Achnatherum inebrians Host Plants through Promoting Photosynthesis and Biomass Accumulation." Journal of Fungi 8, no. 5 (2022): 512. http://dx.doi.org/10.3390/jof8050512.

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Achnatherum inebrians (drunken horse grass, DHG) plants, a dominant grass species in the arid and semi-arid regions of northwest China, symbiotic with an Epichloë fungal endophyte, is well adapted to drought. However, little is known about how the presence of the foliar Epichloë endophyte enhances the tolerance of DHG to drought at the molecular level. This study explored the positive effects of the presence of the Epichloë endophyte on plant growth, biomass, and photosynthetic efficiency and processes of DHG under non-drought and two drought (moderate and severe) treatments, using RNA sequenc

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Abhilash, K. P., and A. S. Devakumar. "Seasonal Photosynthesis Variations of Dominant Tree Species Used in Different Urban Landscapes." International Journal of Environment and Climate Change 13, no. 8 (2023): 562–71. http://dx.doi.org/10.9734/ijecc/2023/v13i81984.

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Photosynthesis is the only natural process that converts photon energy into chemical energy, and it is responsible for 90–95% of plant biomass accumulation and hence growth. Environmental factors such as light, temperature, and CO2 concentration in the atmosphere are major factors that influence photosynthesis, and excess of these can cause stress on plants. The photosynthetic response of tree species is found to vary to these factors. Therefore, the photosynthetic response of tree species can be a good indicator to assess these environmental factors that are changing due to urbanization and c

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Abbasi, Anum Zeb, Misbah Bilal, Ghazal Khurshid, et al. "Expression of cyanobacterial genes enhanced CO2 assimilation and biomass production in transgenic Arabidopsis thaliana." PeerJ 9 (August 9, 2021): e11860. http://dx.doi.org/10.7717/peerj.11860.

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Background Photosynthesis is a key process in plants that is compromised by the oxygenase activity of Rubisco, which leads to the production of toxic compound phosphoglycolate that is catabolized by photorespiratory pathway. Transformation of plants with photorespiratory bypasses have been shown to reduce photorespiration and enhance plant biomass. Interestingly, engineering of a single gene from such photorespiratory bypasses has also improved photosynthesis and plant productivity. Although single gene transformations may not completely reduce photorespiration, increases in plant biomass accu

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Gruber, Ansgar, and Linda K. Medlin. "Complex Plastids and the Evolution of the Marine Phytoplankton." Journal of Marine Science and Engineering 11, no. 10 (2023): 1903. http://dx.doi.org/10.3390/jmse11101903.

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Photosynthesis allows for the formation of biomass from inorganic carbon and therefore greatly enhances the amount of organic material on planet Earth. Especially, oxygenic photosynthesis removed a major bottleneck in the formation of biomass by utilising ubiquitous water (H2O) and CO2 molecules as raw materials for organic molecules. This, over billions of years, shaped the world into the form we know today, with an oxygen-containing atmosphere, largely oxygenated water bodies and landmasses consisting of sediment rocks. Oxygenic photosynthesis furthermore enabled the evolution of aerobic ene

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KARKANIS, Anestis C., and Spyridon A. PETROPOULOS. "Physiological and Growth Responses of Several Genotypes of Common Purslane (Portulaca oleracea L.) under Mediterranean Semi-arid Conditions." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 45, no. 2 (2017): 569–75. http://dx.doi.org/10.15835/nbha45210903.

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Common purslane (Portulaca oleracea L.) is a drought-tolerant weed cultivated for its fresh leaves and stems. In the present study, a field experiment was conducted to determine plant development and photosynthesis of several common purslane genotypes in a high-density planting system. The experiment was carried out according to randomized complete block design with four replications per treatment. Four local populations and two commercial cultivars of common purslane were studied. During the experiment, plant biomass, plant height, leaf relative chlorophyll content (SPAD values), stomatal con

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Han, Lingjuan, Miaoling Zhang, Lixia Du, Li Zhang, and Bin Li. "Effects of Bacillus amyloliquefaciens QST713 on Photosynthesis and Antioxidant Characteristics of Alfalfa (Medicago sativa L.) under Drought Stress." Agronomy 12, no. 9 (2022): 2177. http://dx.doi.org/10.3390/agronomy12092177.

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Drought stress is a prevalent abiotic stress that adversely affects multiple physiological processes in plants, especially their photosynthetic capacity. Application of plant growth–promoting rhizobacteria (PGPR) has been considered as an eco-friendly strategy to ameliorate the deleterious effects of drought stress on plants. The present study was carried out to investigate the effects of Bacillus amyloliquefaciens QST713 on plant growth, leaf relative water content (RWC), photosynthesis processes, photosynthetic pigment content and antioxidant enzyme activities in two alfalfa varieties, Galal

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Dr., Sachendra Bohra, and Kumar Jani Chetan. "Comparative Study of Photosynthetic Efficiency in C3 vs C4 Plants Under Climate Stress." International Journal of Contemporary Research in Multidisciplinary 4, no. 2 (2025): 222–27. https://doi.org/10.5281/zenodo.15242247.

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The ongoing effects of climate change, including rising temperatures, erratic precipitation, and frequent droughts, are increasingly threatening agricultural productivity worldwide. These environmental stressors have a direct impact on plant growth, photosynthesis, and crop yields. Therefore, understanding how different plant types cope with these stresses is crucial for ensuring global food security. This study compares the photosynthetic efficiency and resilience of C3 and C4 plants, using wheat (Triticum aestivum) as a representative C3 species and maize (Zea mays) as a C4 species. Both pla

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Wu, Alex, Al Doherty, Graham D. Farquhar, and Graeme L. Hammer. "Simulating daily field crop canopy photosynthesis: an integrated software package." Functional Plant Biology 45, no. 3 (2018): 362. http://dx.doi.org/10.1071/fp17225.

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Photosynthetic manipulation is seen as a promising avenue for advancing field crop productivity. However, progress is constrained by the lack of connection between leaf-level photosynthetic manipulation and crop performance. Here we report on the development of a model of diurnal canopy photosynthesis for well watered conditions by using biochemical models of C3 and C4 photosynthesis upscaled to the canopy level using the simple and robust sun–shade leaves representation of the canopy. The canopy model was integrated over the time course of the day for diurnal canopy photosynthesis simulation.

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Flügge, Ulf-Ingo, Peter Westhoff, and Dario Leister. "Recent advances in understanding photosynthesis." F1000Research 5 (December 21, 2016): 2890. http://dx.doi.org/10.12688/f1000research.9744.1.

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Photosynthesis is central to all life on earth, providing not only oxygen but also organic compounds that are synthesized from atmospheric CO2and water using light energy as the driving force. The still-increasing world population poses a serious challenge to further enhance biomass production of crop plants. Crop yield is determined by various parameters,inter aliaby the light energy conversion efficiency of the photosynthetic machinery. Photosynthesis can be looked at from different perspectives: (i) light reactions and carbon assimilation, (ii) leaves and canopy structure, and (ii) source-s

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Liu, Min, Ji-Rui Gong, Yan Pan, et al. "Effects of grass–legume mixtures on the production and photosynthetic capacity of constructed grasslands in Inner Mongolia, China." Crop and Pasture Science 67, no. 11 (2016): 1188. http://dx.doi.org/10.1071/cp16063.

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Constructed grasslands are primary restoration measures in areas with degraded natural grasslands. Grass–legume mixtures are chosen to obtain high production and forage quality; however, the photosynthetic and other traits of such mixtures are not well understood. In this study, we evaluated the effects of grass–legume mixtures on the growth and photosynthetic capacity of three forage crops over two growing seasons. Bromus inermis and Elymus nutans were grown as monocultures or in mixtures with Medicago sativa. We analysed forage yields, quality, gas exchange and chlorophyll fluorescence param

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Currey, Christopher J., and Roberto G. Lopez. "Biomass Accumulation and Allocation, Photosynthesis, and Carbohydrate Status of New Guinea Impatiens, Geranium, and Petunia Cuttings Are Affected by Photosynthetic Daily Light Integral during Root Development." Journal of the American Society for Horticultural Science 140, no. 6 (2015): 542–49. http://dx.doi.org/10.21273/jashs.140.6.542.

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During the propagation of herbaceous stem-tip cuttings, the photosynthetic daily light integral (DLI) inside greenhouses can be low (≈1–4 mol·m−2·d−1) during the winter and early spring when propagation typically occurs. The mechanisms by which cuttings adapt biomass allocation patterns, gas exchange, and starch accumulation in response to the photosynthetic DLI are not clearly understood. Our objectives were to quantify the impact of DLI on growth, photosynthesis, and carbohydrate concentration during the root development phase of cutting propagation. Petunia (Petunia ×hybrida ‘Suncatcher Mid

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Nikolic, Natasa, Milan Borisev, Slobodanka Pajevic, et al. "Photosynthetic response and tolerance of three willow species to cadmium exposure in hydroponic culture." Archives of Biological Sciences 67, no. 4 (2015): 1411–20. http://dx.doi.org/10.2298/abs150421120n.

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Three willow species (Salix alba, Salix matsudana and Salix nigra) were exposed to very high cadmium (Cd) concentrations in order to define some physiological traits related to high biomass production. Plants were grown hydroponically under semi-controlled conditions (greenhouse). It was assumed that leaves accumulate different amounts of Cd in relation to their age due to the specific occurrence of symptoms generated by Cd accumulation. The rate of photosynthesis and concentration of photosynthetic pigments in young and old leaves was correlated with biomass production in order to ascertain t

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Ye, Chang Peng, and Meng Cheng Zhang. "Allelopathic Inhibitory Effects of the Dried Macroalga Ulva pertusa on the Photosynthetic Activities of Red Tide-Causing Microalga Skeletonema costatum." Advanced Materials Research 726-731 (August 2013): 29–34. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.29.

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Allelopathic effects of dried macroalgaUlva pertusa(Chlorophyta) on photosynthesis of the microalgaeSkeletonema costatum(Bacillariophyta) were evaluated using coexistence culture systems.S. costatumwas cultured with different biomass of driedU. pertusaunder controlled laboratory conditions for three days. The chlorophylla(Chla) fluorescence transient O-J-I-P curve coupled with its specific parameters inS. costatumwas established. The oxygen evolution rate was measured, the Chlafluorescence transients were recorded in vivo at high time resolution and analyzed according to the JIP-test which can

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Baruah, Kushal Kumar, Ashmita Bharali, Aninda Mazumdar та Gulshan Jha. "Genotypic variation in carbon fixation, δ13C fractionation and grain yield in seven wheat cultivars grown under well-watered conditions". Functional Plant Biology 44, № 8 (2017): 809. http://dx.doi.org/10.1071/fp17029.

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Biotic carbon (C) sequestration is currently being considered as a viable option for mitigating atmospheric carbon dioxide (CO2) emission, in which photosynthesis plays a significant role. A field experiment was conducted between 2013 and 2015 to investigate the efficiency of seven modern wheat varieties for CO2 fixation, C partitioning, δ13C fractionation in the leaves, and grain yield. A strong correlation between flag leaf photosynthesis and stomatal density (r = 0.891) was detected. Photosynthetic efficiency was highest in the variety WH-1021 (28.93 µmol m–2 s–1). Grain yield was influence

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Pradhan, Gautam P., Qingwu Xue, Kirk E. Jessup, Baozhen Hao, Jacob A. Price, and Charles M. Rush. "Physiological Responses of Hard Red Winter Wheat to Infection by Wheat streak mosaic virus." Phytopathology® 105, no. 5 (2015): 621–27. http://dx.doi.org/10.1094/phyto-07-14-0194-r.

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Wheat streak mosaic virus (WSMV) causes significant yield loss in hard red winter wheat in the U.S. Southern High Plains. Despite the prevalence of this pathogen, little is known about the physiological response of wheat to WSMV infection. A 2-year study was initiated to (i) investigate the effect of WSMV, inoculated at different development stages, on shoot and root growth, water use, water use efficiency (WUE), and photosynthesis and (ii) understand the relationships between yield and photosynthetic parameters during WSMV infection. Two greenhouse experiments were conducted with two wheat cu

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Tobita, Hiroyuki, Akira Uemura, Mitsutoshi Kitao, Satoshi Kitaoka, Yutaka Maruyama, and Hajime Utsugi. "Effects of elevated atmospheric carbon dioxide, soil nutrients and water conditions on photosynthetic and growth responses of Alnus hirsuta." Functional Plant Biology 38, no. 9 (2011): 702. http://dx.doi.org/10.1071/fp11024.

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The objective of this paper is to clarify the effects of multiple environmental conditions, elevated atmospheric CO2 concentration ([CO2]) and soil conditions on the physiological and morphological properties of Alnus hirsuta Turcz., an N2-fixing species, to predict its responses to environmental changes. We examined the responses of photosynthetic properties, leaf characteristics, biomass and N allocation of A. hirsuta to elevated [CO2], soil N and phosphorus availability, and soil drought by using the results of two experiments. The effects of P availability were more marked than those of N

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Holloway, James C., and David R. Shaw. "Influence of Soil-Applied Herbicides on Ivyleaf Morningglory (Ipomoea hederacea) Growth and Development in Soybean (Glycine max)." Weed Science 43, no. 4 (1995): 655–59. http://dx.doi.org/10.1017/s0043174500081789.

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Soil-applied imazaquin or chlorimuron plus metribuzin reduced ivyleaf morningglory photosynthetic rate, leaf area, biomass, and seed production per plant compared to the nontreated control. Photosynthetic rate of ivyleaf morningglory was reduced a minimum of 53%, and total leaf area was reduced at least 67% with either herbicide, regardless of ivyleaf morningglory densities. Ivyleaf morningglory biomass and seed production were reduced at least 62% with either herbicide across all ivyleaf morningglory densities. Soybean leaf area, photosynthetic rate, and biomass were not affected by herbicide

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Chitapornpan, S., C. Chiemchaisri, W. Chiemchaisri, R. Honda, and K. Yamamoto. "Photosynthetic bacteria production from food processing wastewater in sequencing batch and membrane photo-bioreactors." Water Science and Technology 65, no. 3 (2012): 504–12. http://dx.doi.org/10.2166/wst.2012.740.

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Application of photosynthetic process could be highly efficient and surpass anaerobic treatment in releasing less greenhouse gas and odor while the biomass produced can be utilized. The combination of photosynthetic process with membrane separation is possibly effective for water reclamation and biomass production. In this study, cultivation of mixed culture photosynthetic bacteria from food processing wastewater was investigated in a sequencing batch reactor (SBR) and a membrane bioreactor (MBR) supplied with infrared light. Both photo-bioreactors were operated at a hydraulic retention time (

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Chen, Min, and Hugo Scheer. "Extending the limits of natural photosynthesis and implications for technical light harvesting." Journal of Porphyrins and Phthalocyanines 17, no. 01n02 (2013): 1–15. http://dx.doi.org/10.1142/s1088424612300108.

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Photosynthetic organisms provide, directly or indirectly, the energy that sustains life on earth by harvesting light from the sun. The amount of light impinging on the surface of the earth vastly surpasses the energy needs of life including man. Harvesting the sun is, therefore, an option for a sustainable energy source: directly by improving biomass production, indirectly by coupling it to the production of hydrogen for fuel or, conceptually, by using photosynthetic strategies for technological solutions based on non-biological or hybrid materials. In this review, we summarize the various lig

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TU, J. C., and S. C. TAN. "SOIL COMPACTION EFFECT ON PHOTOSYNTHESIS, ROOT ROT SEVERITY, AND GROWTH OF WHITE BEANS." Canadian Journal of Soil Science 68, no. 2 (1988): 455–59. http://dx.doi.org/10.4141/cjss88-043.

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The effect of soil compaction on photosynthesis, plant growth and root rot severity of white bean was investigated in a controlled environment using healthy and root rot diseased soil. There was a highly significant reduction in root biomass, shoot growth and total leaf area of plants grown in compacted soil. Soil compaction also significantly reduced photosynthetic rate and increased root rot severity. The reduction in growth for plants subjected to soil compaction is attributable partly due to a decrease in photosynthetic rate and to an increase in root rot severity. Key words: Phaseolus vul

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Ziska, LH, W. Weerakoon, OS Namuco, and R. Pamplona. "The Influence of Nitrogen on the Elevated CO2 Response in Field-Grown Rice." Functional Plant Biology 23, no. 1 (1996): 45. http://dx.doi.org/10.1071/pp9960045.

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Rice (Oryza sativa L. cv. IR72) was grown in the tropics at ambient (345 μL L-1) or twice ambient (elevated, 700 μL L-1) CO2, concentration at three levels of supplemental nitrogen (N) (no additional N (N0), 90 kg ha-1 (N1) and 200 kg ha-1 (N2)) in open-top chambers under irrigated field conditions from seeding until flowering. The primary objective of the study was to determine if N supply alters the sensitivity of growth and photosynthesis of field-grown rice to enriched CO2. A second objective was to determine the influence of elevated CO2 on N uptake and tissue concentrations. Although pho

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Kinmonth-Schultz, Hannah, and Soo-Hyung Kim. "Carbon gain, allocation and storage in rhizomes in response to elevated atmospheric carbon dioxide and nutrient supply in a perennial C3 grass, Phalaris arundinacea." Functional Plant Biology 38, no. 10 (2011): 797. http://dx.doi.org/10.1071/fp11060.

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Reed canary grass (Phalaris arundinacea L.) is a fast-growing, perennial, rhizomatous C3 grass considered as a model invasive species for its aggressive behaviour. The same traits make it a candidate for bioenergy feedstock. We tested the following hypotheses: (1) elevated atmospheric [CO2] and nutrient supply enhance photosynthetic carbon acquisition of this fructan-accumulating grass with little or no photosynthetic downregulation; (2) elevated [CO2] promotes carbon allocation to growth when nutrients are sufficient and to fructan storage in rhizomes when nutrients are low. Plants were grown

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Abakumov, A. I., and S. Ya Pak. "Two Approaches to Modeling Phytoplankton Biomass Dynamics Based on the Droop Model." Mathematical Biology and Bioinformatics 17, no. 2 (2022): 401–22. http://dx.doi.org/10.17537/2022.17.401.

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This work continues the study of the Droop model based on the concept of cell quota. Description of the photosynthetic processes in phytoplankton includes in the model structure. The concept of chlorophyll quota is used. It is the proportion of photosynthetic substances in plant cells. In addition to the chlorophyll quota, the photosynthetic activity of phytoplankton is determined by external conditions, primarily by the level of photosynthetically active radiation (PAR). The model is based on separating the dependence of phytoplankton reproduction on external conditions according to the stage

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