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Journal articles on the topic 'Respiration rate of plants'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 August 2025

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1

Zinkiewicz, Ewa, Maria Ruszkowska, and Halina Samiec. "Rate of dark respiration of oats at various levels of copper supply." Acta Agrobotanica 38, no. 1 (2013): 23–32. http://dx.doi.org/10.5586/aa.1985.003.

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The aim of the present study was to determine the intensity of dark respiration of oat plants cv. 'Udycz Żółty' during their vegetation period. Plants were grown with addition of increasing doses of copper, applied at different stages of development. Up to heading of the control plants, copper-deficient plants showed low intensity of dark respiration as compared with the copper-sufficient plants. After heading, a strong increase in the rate of respiration in the former was noted. The high intensity of dark respiration in copper-deficient plants after heading was probably the result of ineffect

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2

van Iersel*, Marc W. "Respiratory Q10 of Lettuce Increases with Increasing Plant Size." HortScience 39, no. 4 (2004): 854D—855. http://dx.doi.org/10.21273/hortsci.39.4.854d.

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Literature reports on the Q10 for respiration vary widely, both within and among species. Plant size and metabolic activity may be responsible for some of this variation. To test this, respiration of whole lettuce plants was measured at temperatures ranging from 6 to 31 °C during a 24-h period. Subsequently, plant growth rate (in moles of carbon per day) was determined by measuring the CO2 exchange rate of the same plants during a 24-h period. Environmental conditions during this 24-h period resembled those that the plants were exposed to in the greenhouse. The measured growth rate was then us

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3

Klapwijk, Abraham, Henri Spanjers, and Hardy Temmink. "Control of Activated Sludge Plants Based on Measurement of Respiration Rates." Water Science and Technology 28, no. 11-12 (1993): 369–76. http://dx.doi.org/10.2166/wst.1993.0677.

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An integral control strategy for activated sludge plants presented in this paper consists of three low-level control tasks. The first is the actual respiration rate control by manipulating the influent flow rate, whereby the aerators are at a fixed position for each setpoint. The second task is the maximum respiration rate control by manipulating the waste activated sludge flow rate. The third task of the integral control strategy is the instantaneous respiration rate monitoring, which informs the operator about the performance of the process.

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4

Ikkonen, E. N., and M. G. Yrkevich. "Physiological Responses of Cucumber Plants to Sodium Lignosulfonate Application to Sandy Loam Soil." Известия Российской академии наук. Серия биологическая, no. 6 (November 1, 2023): 609–15. http://dx.doi.org/10.31857/s1026347022600510.

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The use of lignosulfonates (LS) to improve soil fertility is currently under study and discussion. The effect of sodium LS application in the sandy loam soil on the accumulation of biomass, photosynthesis, respiration and their coupling in cucumber plants was studied. The LS rate of 10–25 g/kg did not have a significant effect on the studied parameters of the physiological state of plants. However, at a high LS content (50–100 g/kg), the plant growth rate and activity of the photosynthetic apparatus decreased, and the respiration rate increased, which caused the increase in the ratio of respir

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5

Monteiro, José A., Terril A. Nell, and James E. Barrett. "Postproduction of Potted Miniature Rose: Flower Respiration and Single Flower Longevity." Journal of the American Society for Horticultural Science 126, no. 1 (2001): 134–39. http://dx.doi.org/10.21273/jashs.126.1.134.

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Research was conducted to investigate the relationship between flower respiration and flower longevity as well as to assess the possibility of using miniature rose (Rosa hybrida L.) flower respiration as an indicator of potential flower longevity. Using several miniature rose cultivars as a source of variation, four experiments were conducted throughout the year to study flower respiration and flower longevity under interior conditions. For plants under greenhouse as well as interior conditions, flower respiration was assessed on one flower per plant, from end-of-production (sepals beginning t

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6

Klock, Kimberly A., Henry G. Taber, and William R. Graves. "Root Respiration and Phosphorus Nutrition of Tomato Plants Grown at a 36 °C Root-zone Temperature." Journal of the American Society for Horticultural Science 122, no. 2 (1997): 175–78. http://dx.doi.org/10.21273/jashs.122.2.175.

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Growth of tomato (Lycopersicon esculentum Mill.) plants decreases at root-zone temperatures (RZTs) >30 °C, but no research has been conducted on the effects of changes in root respiration on P acquisition at supraoptimal RZT. We monitored the changes every 3 to 5 days in root respiration, root surface phosphatase activity, and P acquisition of `Jet Star' tomato plants grown in Hoagland's no. 1 solution held at 25 and 36 °C RZT for 19 days. Root respiration rate in plants grown at 25 °C increased linearly from RZT initiation to day 12, but there was no difference in respiration between days

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7

Pararajasingham, S., and L. A. Hunt. "Postanthesis biomass accumulation and respiration in shaded and unshaded wheat (Triticum aestivum L.)." Canadian Journal of Plant Science 71, no. 4 (1991): 1011–20. http://dx.doi.org/10.4141/cjps91-143.

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Respiration significantly influences the carbon balance of a crop. In wheat (Triticum aestivum L.), biomass equivalent to between 40 and 75% final grain mass can be lost through shoot respiration during grain fill. This study examines the relationship between changes in biomass and respiration of the aboveground plant parts of shaded and unshaded wheat during grain fill. Two spring wheat cultivars, Max and Katepwa, were grown indoors with and without shade, and various biomass components and aboveground CO2 efflux rates were determined from anthesis to maturity. Maximum leaf biomass in Max was

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8

Semikhatova, O. A., T. I. Ivanova, and O. V. Kirpichnikova. "Respiration rate of arctic plants as related to the production process." Russian Journal of Plant Physiology 56, no. 3 (2009): 306–15. http://dx.doi.org/10.1134/s1021443709030029.

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9

Hutubessy, Josina Irene Brigetha, and Dionisius Tungga. "PRODUKSI KARBONDIOKSIDA (CO,) SEBAGAI INDIKATOR RESPIRASI PADA BERBAGAI SAYURAN." AGRICA 2, no. 1 (2020): 36–38. http://dx.doi.org/10.37478/agr.v2i1.546.

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The objective of the research was to determine the respiration rate of vegetable through calculating CO, content resulted from the respiration process. The nature of the research was experimental research which held in a laboratory at the Faculty of Agriculture, Flores University. The result showed that respiration process released C02 and energy. Titration result in yam showed higher C02 content in comparison to cabbage and mustard green. However, the respiration rate of mustard green was higher than other vegetables. The logic behind the results was that the position and the number of stomat

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10

van Iersel, Marc W., and Lynne Seymour. "Growth Respiration, Maintenance Respiration, and Carbon Fixation of Vinca: A Time Series Analysis." Journal of the American Society for Horticultural Science 125, no. 6 (2000): 702–6. http://dx.doi.org/10.21273/jashs.125.6.702.

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Respiration is important in the overall carbon balance of plants, and can be separated into growth (Rg) and maintenance respiration (Rm). Estimation of Rg and Rm throughout plant development is difficult with traditional approaches. Here, we describe a new method to determine ontogenic changes in Rg and Rm. The CO2 exchange rate of groups of 28 `Cooler Peppermint' vinca plants [Catharanthus roseus (L.) G. Don.] was measured at 20 min intervals for 2 weeks. These data were used to calculate daily carbon gain (DCG, a measure of growth rate) and cumulative carbon gain (CCG, a measure of plant siz

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11

GIRARDIN, P., M. TOLLENAAR, and J. F. MULDOON. "EFFECT OF TEMPORARY N STARVATION ON LEAF PHOTOSYNTHETIC RATE AND CHLOROPHYLL CONTENT OF MAIZE." Canadian Journal of Plant Science 65, no. 3 (1985): 491–500. http://dx.doi.org/10.4141/cjps85-071.

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The photosynthetic rate (P) of maize (Zea mays L.) plants grown under growth room conditions was studied during and after a 10-day period of N starvation. The relationships between P and chlorophyll content, and P and nitrogen content were examined. Nitrogen deprivation, from the 18th to the 28th day, induced a decline of maximum photosynthetic rate, respiration and chlorophyll content; this effect was reversible. Recovery of photosynthetic capability occurred within 10 days of the resumption of nitrogen supply. Only partial recovery of chlorophyll content was recorded in the same time period.

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12

Criddle, R. S., T. S. Anekonda, R. M. Sachs, R. W. Breidenbach, and L. D. Hansen. "Selection for biomass production based on respiration parameters in eucalypts: acclimation of growth and respiration to changing growth temperature." Canadian Journal of Forest Research 26, no. 9 (1996): 1569–76. http://dx.doi.org/10.1139/x26-176.

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This paper examines the relation between respiratory physiology and growth rate and the effects of environment on this relation for the purpose of developing means for accelerating and improving selection of trees for biomass production. The relations among biomass production, respiratory metabolism, and growth temperature in controlled environments were determined for three Eucalyptus genotypes (clones). Eucalyptuscamaldulensis 4016, E. camaldulensis C11, and Eucalyptusgundal (Eucalyptusgunnii × Eucalyptusdalrympleana hybrid) GD1 were selected for this study because of known qualitative diffe

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13

Maya Sari M. Siregar, Ade, Hilwa Walida, Badrul Ainy Dalimunthe, and Dini Hariyati Adam. "Study of Soil Biological Properties in Producing Plants and Immature Plants of Oil Palm in Aek Nabara Utara Plantation PTPN III." JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) 6, no. 1 (2024): 64–71. http://dx.doi.org/10.36378/juatika.v6i1.3412.

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The maintenance of soil fertility stability and soil health heavily relies on the biological properties of the soil. This study aims to investigate the biological properties of soil in immature plantations (TBM III) and mature plantations (TM 18) located in Aek Nabara Utara Plantation PTPN III, Bilah Hulu District, Labuhanbatu Regency. The research methodology employed survey and descriptive methods to analyze various parameters. The parameters measured in this study include C-Organic (%), Soil Respiration (mg/CO2), Total Microbes (CFU/ml), and Total Fungi (CFU/ml). The research findings indic

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14

Ikkonen, Elena, and Natalia Kaznina. "Physiological Responses of Lettuce (Lactuca sativa L.) to Soil Contamination with Pb." Horticulturae 8, no. 10 (2022): 951. http://dx.doi.org/10.3390/horticulturae8100951.

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Contamination of agricultural soils with heavy metal leads to a decrease in the crop quality and yield, as well as increases in public health risks. In this study, we aimed to evaluate the impact of soil contamination with lead (Pb) on the growth, photosynthesis, respiration, and coupling between these physiological processes, as well as temporal dynamics of Pb uptake and accumulation by lettuce (Lactuca sativa L.) plants. For this 46-day pot experiment, Pb(NO3)2 was mixed with loamy Retisol soil with the rate of 0, 50, and 250 mg kg−1. No significant differences in plant biomass accumulation

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15

Evensen, Kathleen B., and Karen M. Olson. "Forcing Temperature Affects Postproduction Quality, Dark Respiration Rate, and Ethylene Responsiveness of Pelargonium × domesticum." Journal of the American Society for Horticultural Science 117, no. 4 (1992): 596–99. http://dx.doi.org/10.21273/jashs.117.4.596.

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Postproduction quality, net C exchange, and petal abscission in response to ethylene were compared following forcing at 21(day)/16C(night) or 18/13C(18-hour photoperiod) of two cultivars of Pelargonium × domesticum L.H. Bailey. Fewer petals of 2- to 6-day-old florets abscised in response to 60 minutes of 0.7 μl ethylene/liter on plants forced at low temperature than on plants forced at 3C higher temperature. Forcing temperature did not affect floret longevity or the number of florets opening during forcing, but the floral display under simulated consumer conditions was prolonged in low-tempera

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16

Nemali, Krishna S., and M. W. van Iersel. "Light Effects on Wax Begonia: Photosynthesis, Growth Respiration, Maintenance Respiration, and Carbon Use Efficiency." Journal of the American Society for Horticultural Science 129, no. 3 (2004): 416–24. http://dx.doi.org/10.21273/jashs.129.3.0416.

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The effect of increasing daily light integral (DLI; 5.3, 9.5, 14.4, and 19.4 mol·m-2·d-1) on photosynthesis and respiration of wax begonia (Begonia semperflorens-cultorum Hort.) was examined by measuring CO2 exchange rates (CER) for a period of 25 d in a whole-plant gas exchange system. Although plant growth rate (GR, increase in dry weight per day) increased linearly with increasing DLI, plants grown at low DLI (5.3 or 9.5 mol·m-2·d-1) respired more carbohydrates than were fixed in photosynthesis during the early growth period (13 and 4 d, respectively), resulting in a negative daily carbon g

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17

Nemali, Krishna S., and M. W. van Iersel. "Light Effects on Wax Begonia: Photosynthesis, Growth Respiration, Maintenance Respiration, and Carbon Use Efficiency." Journal of the American Society for Horticultural Science 129, no. 3 (2004): 416–24. https://doi.org/10.21273/jashs.129.3.416.

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The effect of increasing daily light integral (DLI; 5.3, 9.5, 14.4, and 19.4 mol·m-2·d-1) on photosynthesis and respiration of wax begonia (Begonia semperflorens-cultorum Hort.) was examined by measuring CO2 exchange rates (CER) for a period of 25 d in a whole-plant gas exchange system. Although plant growth rate (GR, increase in dry weight per day) increased linearly with increasing DLI, plants grown at low DLI (5.3 or 9.5 mol·m-2·d-1) respired more carbohydrates than were fixed in photosynthesis during the early growth period (13 and 4 d, respectively), resulting in a negative daily carbon g

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18

Davey, AG, and RJ Simpson. "Nitrogenase Activity by Subterranean Clover and Other Temperate Pasture Legumes." Functional Plant Biology 15, no. 5 (1988): 657. http://dx.doi.org/10.1071/pp9880657.

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Nitrogenase (C2H2-reduction) activity and nodulated root respiration of intact plants of subterranean clover (Trifolium subterraneum L.) cv. Seaton Park nodulated by Rhizobium trifolii WU95 were measured in a flow-through system. Simultaneous declines in nitrogenase activity and respiration were exhibited 2 min after 10% C2H2 had been introduced into the gas stream. Declines in nitrogenase activity and nodulated root respiration provided an estimate of the efficiency of nitrogenase activity (mol CO2 evolved/mol C2H4 produced). The pre-decline rate of nitrogenase activity at time zero was thus

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19

Semikhatova, O. A., T. I. Ivanova, and O. V. Kirpichnikova. "Nitrogen content and respiration rate in leaves of the Wrangel Island plants." Russian Journal of Plant Physiology 57, no. 6 (2010): 749–54. http://dx.doi.org/10.1134/s1021443710060014.

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20

van Iersel, Marc W. "Short-term Temperature Change Affects the Carbon Exchange Characteristics and Growth of Four Bedding Plant Species." Journal of the American Society for Horticultural Science 128, no. 1 (2003): 100–106. http://dx.doi.org/10.21273/jashs.128.1.0100.

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Bedding plants are exposed to a wide range of environmental conditions, both during production and in the landscape. This research compared the effect of short-term temperature changes on the CO2 exchange rates of four popular bedding plants species. Net photosynthesis (Pnet) and dark respiration (Rdark) of geranium (Pelargonium ×hortorum L.H. Bail.), marigold (Tagetes patula L.), pansy (Viola ×wittrockiana Gams.), and petunia (Petunia ×hybrida Hort. Vilm.-Andr.) were measured at temperatures ranging from 8 to 38 °C (for Pnet) and 6 to 36 °C (for Rdark). Net photosynthesis of all species was m

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21

van Iersel, Marc W. "Short-term Temperature Change Affects the Carbon Exchange Characteristics and Growth of Four Bedding Plant Species." Journal of the American Society for Horticultural Science 128, no. 1 (2003): 100–106. https://doi.org/10.21273/jashs.128.1.100.

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Bedding plants are exposed to a wide range of environmental conditions, both during production and in the landscape. This research compared the effect of short-term temperature changes on the CO2 exchange rates of four popular bedding plants species. Net photosynthesis (Pnet) and dark respiration (Rdark) of geranium (Pelargonium ×hortorum L.H. Bail.), marigold (Tagetes patula L.), pansy (Viola ×wittrockiana Gams.), and petunia (Petunia ×hybrida Hort. Vilm.-Andr.) were measured at temperatures ranging from 8 to 38 °C (for Pnet) and 6 to 36 °C (for Rdark). Net photosynthesis of all species was m

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22

Nemali*, Krishna, and Marc van Iersel. "Photosynthesis, Respiration, and Water Relations of Vinca and Salvia Subjected to Moisture Stress." HortScience 39, no. 4 (2004): 896B—896. http://dx.doi.org/10.21273/hortsci.39.4.896b.

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Subjecting bedding plants to non-lethal moisture stress is an established irrigation practice for bedding plants; however information on physiological responses of bedding plants to moisture stress is limited. We examined the CO2 exchange rates (CER) and water relations of salvia (Salvia splendens) and vinca (Catharanthus roseus) during moisture stress. Seedlings of both species were grown from seed in 7-L trays containing a soilless growing medium. After plants completely covered the trays, they were irrigated and shifted into whole-plant gas exchange chambers (27 °C and daily light integral

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23

Poorter, H., RM Gifford, PE Kriedemann, and SC Wong. "A Quantitative-Analysis of Dark Respiration and Carbon Content as Factors in the Growth-Response of Plants to Elevated CO2." Australian Journal of Botany 40, no. 5 (1992): 501. http://dx.doi.org/10.1071/bt9920501.

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An analysis of elevated CO2 effects (2-4 times ambient) on dark respiration rate and carbon content was undertaken for a wide range of plant species, using both published reports and new data. On average, leaf respiration per unit leaf area was slightly higher for plants grown at high CO2 (16%), whereas a small decrease was found when respiration was expressed on a leaf weight basis (14%). For the few data on root respiration, no significant change due to high CO2 could be detected. Carbon content of leaves and stem showed a small increase (1.2 and 1.7% respectively), whereas C-content of root

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24

Pan, Qiyuan, and Bruno Quebedeaux. "119 PHOTOSYNTHESIS AND RESPIRATION OF APPLE PLANTS AT DIFFERENT CARBON DIOXIDE CONCENTRATIONS." HortScience 29, no. 5 (1994): 445d—445. http://dx.doi.org/10.21273/hortsci.29.5.445d.

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Low CO2 concentrations ([CO2]) frequently occur in dense crop canopy. To determine plant performance under sub-atmospheric [CO2], young `Gala' apple plants were phytotron-grown at 928 mmole m-2s-1 light intensity. Whole-plant photosynthesis and respiration under [CO2] between 0 and the ambient level (382 to 460 ml 1-1) were measured by monitoring [CO2] of the air entering and coming out of a 38-1 clear plexiglass gas exchange chamber at either 3.4 or 6.2 1 min-1. The chamber seals two plants of up to 77 cm height for long-term experiments. There was a linear relationship between [CO2] and net

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25

Łyszcz, St, M. Ruszkowska, U. Wojcieska, and E. Zinkiewicz. "The activity of ascorbic acid and catechol oxidase, the rate of photosynthesis and respiration as related to plant organs, stage of development and copper supply." Acta Agrobotanica 29, no. 1 (2015): 99–105. http://dx.doi.org/10.5586/aa.1976.009.

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Some experiments were performed to investigate the physiological role of copper in oat and sunflower and to recognize some effects of copper deficiency. Oat and sunflower plants were grown in pots on a peat soil under copper deficiency conditions (–Cu) or with the optimal copper supply (+Cu). In plants the following measurements were carried out: 1) the activity of ascorbic acid oxidase (AAO) and of catechol oxidase (PPO) in different plant organs and at different stages of plant development, 2) the activity and the rate of photosynthesis, 3) the activity of RuDP-carboxylase, 4) the intensity

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26

Wei, Yaxi, Jiaolong Zhang, Dan Hu, Jian Zhang, and Zhen Li. "Effects of Artificial Light at Night on Photosynthesis and Respiration of Two Urban Vascular Plants." Forests 15, no. 4 (2024): 659. http://dx.doi.org/10.3390/f15040659.

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The widespread use of artificial light at night (ALAN) due to urbanization and infrastructure development has raised concerns about its potential impacts on plant physiology. To explore the effects of ALAN with different light intensities on the photosynthesis and respiration of two urban vascular plants, Euonymus japonicus Thunb and Rosa hybrida E.H.L.Krause, under continuous and non-continuous-light conditions, respectively, a field experiment was conducted. Our findings indicate that continuous ALAN significantly inhibited the photosynthesis and respiration of the two plants, disrupting the

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27

Meng, Jian Qing, Hai Jiao Liu, Xi Hong Li, Lan Chen, Lin Xue Du, and Jin Shan Luo. "Effect of 1-MCP and O₃ on the Qualities of Dendrobium Officinale Storage." Applied Mechanics and Materials 423-426 (September 2013): 366–69. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.366.

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The aim of this work to evaluate the influence of 1-MCP, O3and 1-MCP+O3to Dendrobium officinale. 1-MCP could inhibit plants respiration rate, and it was 14.57 mg CO2·kg·FW·h-for 7 days which lower than CK and O3had similar inhibitory effect to respiration.1-MCP, O3could inhibit weight loss and O3was more significant than 1-MCP, but 1-MCP+O3treatments weight loss was similar to CK for 60 days, however 1-MCP+O3had significant effect on color change, it could inhibit color change during storage for plants.

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28

Li, Ming, Toyoki Kozai, Katsumi Ohyama, Shigeharu Shimamura, Kaori Gonda, and Tetsuo Sekiyama. "CO2 Balance of a Commercial Closed System with Artificial Lighting for Producing Lettuce Plants." HortScience 47, no. 9 (2012): 1257–60. http://dx.doi.org/10.21273/hortsci.47.9.1257.

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The CO2 balance of a commercial closed system with artificial lighting (CSAL), in which lettuce plants (Lactuca sativa L. ‘Early Impulse’, ‘King Crown’, and ‘Cos Lettuce’) were produced every day and CO2 was added to the air by gas cylinders and workers’ respiration, was analyzed. In the experiment, 95% of the CO2 supplied from cylinders was apparently assimilated by the lettuce plants in the commercial CSAL, suggesting that the supplied CO2 was used efficiently. The amounts of CO2 assimilated by the lettuce plants and loss resulting from leakage, respectively, accounted for 78% and 22% of the

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29

Tyulkova, E. G., G. E. Savchenko, and L. F. Kabashnikova. "Connectivity of Photosynthesis and Respiration with Content of Chlorophyll Pigments in Plants of Reed Fescue <i>Festuca arundinacea</i> Schreb. Under the Impact of Alkanes and Aromatic Hydrocarbons." Известия Российской академии наук. Серия биологическая, no. 6 (November 1, 2023): 626–39. http://dx.doi.org/10.31857/s1026347022600480.

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The association of degradation of membrane-bound chlorophyll with changes in dark respiration rates and photosynthesis in Festuca arundinacea Schreb. leaves under the influence of various concentrations of limit and aromatic hydrocarbons present in technogenic emissions was studied. 1 day after intoxication a negative correlation between the content of non-phytol forms of pigments and the rate of photosynthesis was found. Positive correlation was found between the content of: 1) phytol forms and the rate of photosynthesis; 2) non-phytol forms and respiration rate. The relationships between the

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Maryam, Barahuyi Nikju. "Effect of salicylic acid and drought stress on crop yield." Chemistry Research Journal 2, no. 2 (2017): 125–32. https://doi.org/10.5281/zenodo.13956741.

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Crop plants are exposed to several environmental stresses, all affecting plant growth and development, which consequently hampers the productivity of crop plants. Drought is considered the single most devastating environmental stress, which decreases crop productivity more than any other environmental stress. Drought severely affects plant growth and development with substantial reductions in crop growth rate and biomass accumulation. The main consequences of drought in crop plants are reduced rate of cell division and expansion, leaf size, stem elongation and root proliferation, and disturbed

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31

Ruter, John M., and Dewayne L. Ingram. "EFFECT OF SUPRAOPTIMAL TEMPERATURES ON ROOT RESPIRATORY CHARACTERISTICS OF `ROTUNDIFOLIA' HOLLY." HortScience 25, no. 9 (1990): 1143c—1143. http://dx.doi.org/10.21273/hortsci.25.9.1143c.

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Respiration of excised Ilex crenata `Rotundifolia' roots as influenced by root-zone growth temperature and buffer solution temperature was measured in the presence and absence of SHAM and KCN. Respiration rates of roots excised from plants grown for three weeks at root-zone temperatures of 30, 34, 38, and 42 C decreased linearly as root-zone temperature increased when the buffer solution was maintained at 25 C. When the buffer solution temperature was the same as the root growth temperature, no differences in respiration rate were found. When plants were grown at a root-zone temperature of 30

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Xu, Sixuan, Kexin Li, Guanlin Li, et al. "Canada Goldenrod Invasion Regulates the Effects of Soil Moisture on Soil Respiration." International Journal of Environmental Research and Public Health 19, no. 23 (2022): 15446. http://dx.doi.org/10.3390/ijerph192315446.

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Canada goldenrod (Solidago canadensis L.) is considered one of the most deleterious and invasive species worldwide, and invasion of riparian wetlands by S. canadensis can reduce vegetation diversity and alter soil nutrient cycling. However, little is known about how S. canadensis invasion affects soil carbon cycle processes, such as soil respiration, in a riparian wetland. This study was conducted to investigate the effects of different degrees of S. canadensis invasion on soil respiration under different moisture conditions. Soil respiration rate (heterotrophic and autotrophic respiration) wa

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33

Schortemeyer, Marcus, John R. Evans, Dan Bruhn, Dana M. Bergstrom, and Marilyn C. Ball. "Temperature responses of photosynthesis and respiration in a sub-Antarctic megaherb from Heard Island." Functional Plant Biology 42, no. 6 (2015): 552. http://dx.doi.org/10.1071/fp14134.

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Understanding the response of sub-Antarctic plants to a warming climate requires an understanding of the relationship of carbon gain and loss to temperature. In a field study on Heard Island, we investigated the responses of photosynthesis and respiration of the sub-Antarctic megaherb Pringlea antiscorbutica R. Br. to temperature. This was done by instantaneously manipulating leaf temperature in a gas exchange cuvette on plants adapted to natural temperature variation along an altitudinal gradient. There was little altitudinal variation in the temperature response of photosynthesis. Photosynth

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34

Monteiro, José A., Terril A. Nell, and James E. Barrett. "POTTED MINIATURE ROSE LONGEVITY AFFECTED BY FLOWER RESPIRATION." HortScience 27, no. 6 (1992): 603a—603. http://dx.doi.org/10.21273/hortsci.27.6.603a.

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Five cultivars of potted miniature roses (`Candy Sunblaze', `Lady Sunblaze', `Orange Sunblaze', `Red Sunblaze' and `Royal Sunblaze') were grown until stage 1 (bud showing color with sepals starting to unfold). At this stage one half of the plants were moved to interior conditions (12 μmol s-1 m-2 from cool white fluorescent lights for 12 hr daily and 21 ± 1C) and the other half were maintained in the greenhouse at recommended production conditions. Stage 1 bud respiration, flower respiration at flowering and at 2, 4, 6 and 8 days after flowering were assessed for plants in the greenhouse and u

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Prastiyo, Yulius Budi, Alvera Prihatini Dewi Nazari, Hadi Pranoto, Monika Agustia, Muh Dzulkifly Ashan, and Susi Indriani. "Produksi Tanaman Cabai Rawit Pada Pola Lanskap Agroforestri Tanaman Karet." Jurnal Lanskap Indonesia 15, no. 2 (2023): 144–49. http://dx.doi.org/10.29244/jli.v15i2.46641.

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The application of agroforestry landscape pattern for rubber plant with cayenne pepper plant has an effect on productivity and land use level compared to monoculture system. This reaserch aims to obtain data on the production of cayenne pepper plants in rubber plants agroforestry system and compare it with monoculture systems. The research was located in Sumber Sari Village, Sebulu District, Kutai Kartanegara Regency with two planting system treatments (P), it’s monoculture system planting (p1) and rubber plants agroforestry system (p2) with 6 plots as replicates each. The variables measured w

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Yudina, Lyubov, Ekaterina Sukhova, Ekaterina Gromova, et al. "Effect of Duration of LED Lighting on Growth, Photosynthesis and Respiration in Lettuce." Plants 12, no. 3 (2023): 442. http://dx.doi.org/10.3390/plants12030442.

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Parameters of illumination including the spectra, intensity, and photoperiod play an important role in the cultivation of plants under greenhouse conditions, especially for vegetables such as lettuce. We previously showed that illumination by a combination of red, blue, and white LEDs with a high red light intensity, was optimal for lettuce cultivation; however, the effect of the photoperiod on lettuce cultivation was not investigated. In the current work, we investigated the influence of photoperiod on production (total biomass and dry weight) and parameters of photosynthesis, respiration rat

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Salmon, Yann, Romain L. Barnard, and Nina Buchmann. "Physiological controls of the isotopic time lag between leaf assimilation and soil CO2 efflux." Functional Plant Biology 41, no. 8 (2014): 850. http://dx.doi.org/10.1071/fp13212.

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Environmental factors and physiological controls on photosynthesis influence the carbon isotopic signature of ecosystem respiration. Many ecosystem studies have used stable carbon isotopes to investigate environmental controls on plant carbon transfer from above- to belowground. However, a clear understanding of the internal mechanisms underlying time-lagged responses of carbon isotopic signatures in ecosystem respiration to environmental changes is still lacking. This study addressed plant physiological controls on the transfer time of recently assimilated carbon from assimilation to respirat

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Hall, Robert, Jennifer Tank, Michelle Baker, Emma Rosi-Marshall, Michael Grace, and Erin Hotchkiss. "High Rates of Ecosytem Metabolism in Five Western Rivers." UW National Parks Service Research Station Annual Reports 33 (January 1, 2011): 115–18. http://dx.doi.org/10.13001/uwnpsrc.2011.3799.

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Primary production and respiration are core functions of river ecosystems that in part determine the carbon balance. Gross primary production (GPP) is the total rate of carbon fixation by autotrophs such as algae and higher plants and is equivalent to photosynthesis. Ecosystem respiration (ER) measures rate at which organic carbon is mineralized to CO2 by all organisms in an ecosystem. Together these fluxes can indicate the base of the food web to support animal production (Marcarelli et al. 2011), can predict the cycling of other elements (Hall and Tank 2003), and can link ecosystems to globa

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Marcar, Nico E., Richard S. Criddle, Jianmin Guo, and Yale Zohar. "Analysis of respiratory metabolism correlates well with the response of Eucalyptus camaldulensis seedlings to NaCl and high pH." Functional Plant Biology 29, no. 8 (2002): 925. http://dx.doi.org/10.1071/pp01170.

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Growth of sand-cultured Eucalyptus camaldulensis Dehnh. (river red gum) seedlings from six wide-ranging provenances was reduced in the presence of 150 mM NaCl, a high pH of 9.5, and combined NaCl and high pH, compared with no applied NaCl and neutral pH. Effects of these stress conditions on respiration rates and substrate carbon conversion efficiencies of rapidly-expanding leaf tissue were measured with calorespirometric techniques. Growth rates were calculated from respiration parameters. Respiration rate, measured as metabolic heat production rate (q), showed no consistent trend with either

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Cheng, Dong-Liang, Tao Li, Quan-Lin Zhong, and Gen-Xuan Wang. "Scaling relationship between tree respiration rates and biomass." Biology Letters 6, no. 5 (2010): 715–17. http://dx.doi.org/10.1098/rsbl.2010.0070.

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The WBE theory proposed by West, Brown and Enquist predicts that larger plant respiration rate, R , scales to the three-quarters power of body size, M . However, studies on the R versus M relationship for larger plants (i.e. trees larger than saplings) have not been reported. Published respiration rates of field-grown trees (saplings and larger trees) were examined to test this relationship. Our results showed that for larger trees, aboveground respiration rates R A scaled as the 0.82-power of aboveground biomass M A , and that total respiration rates R T scaled as the 0.85-power of total biom

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Atkin, OK, and DA Day. "A Comparison of the Respiratory Processes and Growth Rate of Selected Australian Alpine and Related Lowland Plant Species." Functional Plant Biology 17, no. 5 (1990): 517. http://dx.doi.org/10.1071/pp9900517.

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Respiratory processes and growth rates of alpine and lowland species of three genera (Ranunculus, Plantago and Luzula) were compared. Relative growth rates were determined for the first 14 weeks of growth at two temperatures (7-10°C and 12-15°C). Generally, the relative growth rates of the alpine species were lower than those of their lowland relatives. Whole-plant respiration rates were measured and leaf slices from each species were used for a detailed analysis of respiratory pathways. Major differences were found between genera, particularly in their alternative oxidase activity, but respir

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Brouwer, H., A. Klapwijk, and K. J. Keesman. "MODELLING AND CONTROL OF ACTIV ATED SLUDGE PLANTS ON THE BASIS OF RESPIROMETRY." Water Science and Technology 30, no. 4 (1994): 265–74. http://dx.doi.org/10.2166/wst.1994.0206.

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In this paper. development of a cODlIol system for the activated sludge plant of Quest International Naarden BV is presented. The control system is based on on-line measurements of the actual respiration rate in the carrousel. From model sim ulations we conclude that overloading can be prevented by manipulating the wastewater flow rate. Energy can be saved. A day/night control of the aerators will result in energy cost savings between 11 and 21 %.

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ANDARISTA UTOMO, ADZALIA, and SARWOKO MANGKOEDIHARDJO. "Preliminary Assessment of Mixed Plants for Phytoremediation of Chromium Contaminated Soil." Current World Environment 13, Special issue 1 (2018): 22–24. http://dx.doi.org/10.12944/cwe.13.special-issue1.04.

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This study determined the ability of mixed plants of Helianthus annus, Zinnia elegans, and Impatiens balsamine to remove chromium (Cr) from soil. This research used respirometer to measure the respiration rate of microorganisms in soil media and Atomic Absorption Spectophotometry to measure Cr content on soil and plants. The results of the study showed that the plants were able to remove Cr from the soil as much as 74%. However, the removal enhanced by microbial activity on the rootzone.

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MECHSHANOVA, ANNA, VLADILEN POLYAKOV, NATALYA BAZARNOVA, and TEMENUZHKA RADOYKOVA. "STUDY OF BALSAMIC POPLAR EXTRACT OBTAINED FROM DIFFERENT PARTS OF THE PLANT USED AS BIOSTIMULANT." Cellulose Chemistry and Technology 59, no. 1-2 (2025): 121–32. https://doi.org/10.35812/cellulosechemtechnol.2025.59.11.

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Тhe qualitative and quantitative composition of extracts obtained from poplar wood waste (buds, leaves, bundles, twigs) generated from logging activities was investigated. Then, the effects of the poplar extract on the morphogenesis, physiological and biochemical parameters, and productivity of white cabbage plants were studied and were found to be significant. Thus, for the plants grown from seeds soaked in a 0.03% aqueous emulsion of the extract, the respiration rate was 2.7 mg CO2 per 1 g of dry matter, which is 540% higher in relation to control 1 (C1), and 270% in relation to control 2 (C

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He, Chuanjiu, Fred T. Davies, Ronald E. Lacey, and Sheetal Rao. "(147) Effect of Hypobaria, Oxygen, and Carbon Dioxide on Gas Exchange, Ethylene Evolution, and Growth of Lettuce Plants for NASA Advanced Life Support Systems." HortScience 41, no. 4 (2006): 1059A—1059. http://dx.doi.org/10.21273/hortsci.41.4.1059a.

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There are engineering and payload advantages in growing plants under hypobaric (reduced atmospheric pressure) conditions in biomass production for extraterrestrial base or spaceflight environments. Objectives of this research were to characterize the influence of hypobaria on growth, gas exchange, and ethylene evolution of lettuce (Lactuca sativa L. cv. Buttercrunch). Elevated levels of the plant hormone, ethylene, occur in enclosed crop production systems and in space-flight environments—leading to adverse plant growth and sterility. Lettuce plants were grown under variable total gas pressure

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Gómez-Rodríguez, Olga, Emma Zavaleta-Mejía, Víctor A. González-Hernández, Manuel Livera-Muñoz, and Elizabeth Cárdenas-Soriano. "PHYSIOLOGICAL AND MORPHOLOGICAL ADAPTATIONS IN TOMATO INTERCROPPED WITH TAGETES ERECTA AND AMARANTHUS HYPOCHONDRIACUS." Revista Fitotecnia Mexicana 30, no. 4 (2007): 421. http://dx.doi.org/10.35196/rfm.2007.4.421.

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Intercropping is an alternative strategy to traditional application of agrochemicals for plant disease management. Intercropping tomato plants (Lycopersicon esculentum Mill.) with marigold (Tagetes erecta L.) resulted in significantly less foliar and fruit damage by Alternaria solani. Such reductions were explained by the allelopathic effect of marigold on A. solani conidia germination, by the reduction in daytime hours with relative humidity ≥ 92 %, and by providing a physical barrier against conidia spreading. Physiological adaptations and anatomical modifications of tomato plants due to sha

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Widyanti, Emmanuela Maria, Nancy Siti Djenar, Ari Marlina, et al. "Pengaruh Konsentrasi Gliserol dalam Edible Coating Tepung Biji Nangka dengan Penambahan Plasticizer Gliserol." Fluida 15, no. 2 (2022): 143–49. http://dx.doi.org/10.35313/fluida.v15i2.4419.

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Tomatoes are horticultural plants that are easily damaged, need to be coated with a food grade edible coating. The basic ingredients that can be used are polysaccharides, derived from jackfruit seed flour, then glycerol plasticizer is added to improve the brittle nature of the edible coating. The maximum glycerol added was carried out with the following concentration variations: control (without glycerol), 1.5%, 2.0%, 2.5%. The analysis carried out included testing the respiration rate and weight loss in tomato storage for 6 days. In determining the respiration rate, an experiment was carried

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Peloso, Anelisa Figueiredo, Sandro Dan Tatagiba, Francisco José Teixeira Amaral, Paulo César Cavatte, and José Eduardo Macedo Pezzopane. "PYRACLOSTROBIN PRESERVES PHOTOSYNTHESIS IN ARABICA COFFEE PLANTS SUBJECTED TO WATER DEFICIT." REVISTA ENGENHARIA NA AGRICULTURA - REVENG 28 (February 7, 2020): 109–19. http://dx.doi.org/10.13083/reveng.v28i.939.

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The objective of this study was to investigate the effect of pyraclostrobin on the photosynthetic performance of rabica coffee plants subjected or not to a water deficit, using the parameter of gas exchange (net CO2 assimilation, stomatal conductance, transpiration rate, and internal CO2 concentration and nocturnal respiration), chlorophyll fluorescence a parameters (minimum fluorescence, maximum fluorescence, maximum quantum yield of photosystem II, effective quantum yield of PSII, quantum yield of regulated energy dissipation and quantum yield dissipation non-regulated) as well as the concen

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Fu, Jinmin, and Bingru Huang. "Growth and Physiological Response of Creeping Bentgrass To Elevated Night Temperature." HortScience 38, no. 2 (2003): 299–301. http://dx.doi.org/10.21273/hortsci.38.2.299.

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Growth of cool-season grasses declines with increasing temperatures. The objective of this study was to determine the effects of elevated night temperature on turf quality, root mortality, and carbohydrate metabolism in creeping bentgrass (Agrostis stoloniferous L. var. palustris (Huds.) Farw (syn. A. palustris Huds.). Plants of `Penncross' were exposed to two night temperature regimes: 24 °C (higher night temperature); and 19 °C (lower temperature control) under the same day temperature (24 °C) in growth chambers for 45 days. Prolonged exposure of plants to higher night temperature reduced tu

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Baranova, Ye N., E. N. Akanov, A. A. Gulevich, L. V. Kurenina, S. A. Danilova, and M. R. Khaliluev. "Dark respiration rate of transgenic tomato plants expressing FeSOD1 gene under chloride and sulfate salinity." Russian Agricultural Sciences 40, no. 1 (2014): 14–17. http://dx.doi.org/10.3103/s1068367414010029.

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