Slow induction of chlorophyll a fluorescence excited by blue and red light in Tradescantia leaves acclimated to high and low light

Kalmatskaya, O. A.; Karavaev, V. A.; Тихонов, А. Н.

doi:10.1007/s11120-019-00663-4

Cited by 10 publications

(6 citation statements)

References 105 publications

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“…Chlorophyll fluorescence serves as a sensitive indicator of the functional state of photosynthetic apparatus in chloroplasts (Kalmatskaya et al, 2019). Different milk vetch straw and soil ratios have no significant impact on the maximal quantum yield of PSII (Fv/Fm).…”

Section: Different Ratios Of Milk Vetch Straw and Soil Treatment On P...mentioning

confidence: 99%

“…The non-photochemical quenching significantly improved in all treatments, which indicated that the plant's photosynthetic system has been adversely affected (Supplementary Table 2). According to previous studies, researchers hold the view that high NPQ values indicate a disadvantaged condition where plants are living in Kalmatskaya et al (2019) and Gao et al (2020).…”

Section: Different Ratios Of Milk Vetch Straw and Soil Treatment On P...mentioning

confidence: 99%

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Astragalus sinicus Incorporated as Green Manure for Weed Control in Corn

Liu

Zhang

et al. 2022

Front. Plant Sci.

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Astragalus sinicus L. (milk vetch), one of the most widespread green manure species, is widely planted in the temperate zone. Eleusine indica L. (goosegrass), a serious annual weed in the world, has evolved resistance to some non-selective herbicides. The use of milk vetch as green manure for weed control in paddy fields was proposed. Aqueous extracts of milk vetch are known to exert a different level of phytotoxicity on weeds and crops. Phytotoxic substances contained in green manure were released into the soil by leaching at the initial stage and decomposition at the later stage after the return of green manure. Considering the need for searching new sustainable strategies for weed control, a question arises: “if milk vetch could be applied in goosegrass control, which stage is the most important to control goosegrass after milk vetch returned to the field, and at the same time, will the subsequent crop, corn (Zea mays L.), be affected by the side effects from milk vetch phytotoxicity?” In this study, the potential of milk vetch for goosegrass control was approached by repeated laboratory experiments, which include the aqueous extract experiment, decomposed experiment, and pot experiment. The effects of milk vetch returning to the field on maize were simulated by a pot experiment. The extract of milk vetch could significantly inhibit the germination of goosegrass at 2% concentration, and the inhibition enhanced with the increase of concentration. In the decomposed liquid experiment, decay time within 15 days, with the increase of decay days or concentration, goosegrass inhibition effect of decomposed liquid was enhanced. When decay time was more than 15 days, the inhibition ability of the decomposed liquid to goosegrass decreased. According to the RI accumulated value, aqueous extract and decomposed liquid have a “hormesis effect” on the germination and growth of goosegrass. Pot experiment proved that the addition of 1–10% (w/w) of milk vetch significantly reduced the germination and growth of goosegrass. On the contrary, the comprehensive analysis showed that the participation of milk vetch was conducive to the growth of corn. Our results constitute evidence that the incorporation of milk vetch into the soil could be a feasible practice to reduce weed infarctions in the corn-based cropping system.

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Section: Different Ratios Of Milk Vetch Straw and Soil Treatment On P...mentioning

confidence: 99%

Section: Different Ratios Of Milk Vetch Straw and Soil Treatment On P...mentioning

confidence: 99%

Astragalus sinicus Incorporated as Green Manure for Weed Control in Corn

Liu

Zhang

et al. 2022

Front. Plant Sci.

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“…However differences in the photoinhibitory effects of blue and red light remained negligible (if any) up to relatively high irradiance, at least in T. fluminensis (up to 500 µmol photons m −2 s −1 , [71]) and A. thaliana leaves (up to 1350 µmol photons m −2 s −1 , [62]). Moreover, some studies indicate even higher photoinhibition by blue than by red light in the same species at comparable irradiances ( [72,73]). It is important to emphasize that not only the light gradient across the leaf and per-chloroplast irradiation are influenced by chloroplast photorelocation but also all the intercellular arrangement of organelles.…”

Section: Chloroplast Photorelocation Movement In Acclimation To Envirmentioning

confidence: 99%

“…This makes plants prone to photodamage and decreases the plant's photosynthetic capacity, if other protective mechanisms could not fully compensate the impaired photorelocation. Thus, irradiating T. fluminensis leaves by "pure" red light of moderate irradiance (100-500 µmol photons m −2 s −1 ) decreased Φ PSII 2-2.5-fold compared with the leaves irradiated by blue light of the same intensity (Figure 4; [71,72]). However differences in the photoinhibitory effects of blue and red light remained negligible (if any) up to relatively high irradiance, at least in T. fluminensis (up to 500 µmol photons m −2 s −1 , [71]) and A. thaliana leaves (up to 1350 µmol photons m −2 s −1 , [62]).…”

Section: Chloroplast Photorelocation Movement In Acclimation To Envirmentioning

confidence: 99%

Spectrum of Light as a Determinant of Plant Functioning: A Historical Perspective

Ptushenko

Solovchenko

2020

Life

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The significance of the spectral composition of light for growth and other physiological functions of plants moved to the focus of “plant science” soon after the discovery of photosynthesis, if not earlier. The research in this field recently intensified due to the explosive development of computer-controlled systems for artificial illumination and documenting photosynthetic activity. The progress is also substantiated by recent insights into the molecular mechanisms of photo-regulation of assorted physiological functions in plants mediated by photoreceptors and other pigment systems. The spectral balance of solar radiation can vary significantly, affecting the functioning and development of plants. Its effects are evident on the macroscale (e.g., in individual plants growing under the forest canopy) as well as on the meso- or microscale (e.g., mutual shading of leaf cell layers and chloroplasts). The diversity of the observable effects of light spectrum variation arises through (i) the triggering of different photoreceptors, (ii) the non-uniform efficiency of spectral components in driving photosynthesis, and (iii) a variable depth of penetration of spectral components into the leaf. We depict the effects of these factors using the spectral dependence of chloroplast photorelocation movements interlinked with the changes in light penetration into (light capture by) the leaf and the photosynthetic capacity. In this review, we unfold the history of the research on the photocontrol effects and put it in the broader context of photosynthesis efficiency and photoprotection under stress caused by a high intensity of light.

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“…The amount of carbon sequestrated by plants during photosynthesis is strictly dependent on the area of greenery and plant type [26]. There are many applications of plants known in the literature for the purpose of CO 2 sequestration [27][28][29]. However, ivy exhibits the best qualities, such as high frost resistance and resistance to air pollution, does not require fertile soil, and grows both in sunny and shaded positions.…”

Section: Introductionmentioning

confidence: 99%

CO2 Capture by Virgin Ivy Plants Growing Up on the External Covers of Houses as a Rapid Complementary Route to Achieve Global GHG Reduction Targets

et al. 2022

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Global CO2 concentration level in the air is unprecedently high and should be rapidly and significantly reduced to avoid a global climate catastrophe. The work indicates the possibility of quickly lowering the impact of changes that have already happened and those we know will happen, especially in terms of the CO2 emitted and stored in the atmosphere, by implanting a virgin ivy plant on the available area of walls and roofs of the houses. The proposed concept of reducing CO2 from the atmosphere is one of the technologies with significant potential for implementation entirely and successfully. For the first time, we showed that the proposed concept allows over 3.5 billion tons of CO2 to be captured annually directly from the atmosphere, which makes even up 6.9% of global greenhouse gas emissions. The value constitutes enough high CO2 reduction to consider the concept as one of the applicable technologies allowing to decelerate global warming. Additional advantages of the presented concept are its global nature, it allows for the reduction of CO2 from all emission sources, regardless of its type and location on earth, and the fact that it will simultaneously lower the air temperature, contribute to oxygen production, and reduce dust in the environment.

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Slow induction of chlorophyll a fluorescence excited by blue and red light in Tradescantia leaves acclimated to high and low light

Cited by 10 publications

References 105 publications

Astragalus sinicus Incorporated as Green Manure for Weed Control in Corn

Astragalus sinicus Incorporated as Green Manure for Weed Control in Corn

Spectrum of Light as a Determinant of Plant Functioning: A Historical Perspective

CO2 Capture by Virgin Ivy Plants Growing Up on the External Covers of Houses as a Rapid Complementary Route to Achieve Global GHG Reduction Targets

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