Effect of low night temperature treatment and recovery on photosynthesis and the allocation of absorbed light energy in tomato (<i>Lycopersicon esculentum</i>Mill.) leaves

Liu, Y. F.; Li, T. L.; Xu, Tongyu; Qi, Mingfang; Xu, Chuanqiang; Qi, Huiying

doi:10.1080/14620316.2011.11512731

Cited by 8 publications

(7 citation statements)

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“…The negative effect of HNT on A net for herbaceous plant was caused primarily by damage to PSII efficiency ( F v / F m ) ( Figure 3 ). LNT decreased A net more in woody plants than in herbaceous plants, along with a greater decrease of F v / F m and g s in woody plants, which was consistent with previous studies (Sao et al, 2010, 2013b; Liu et al, 2011). It is important, however, to note that more research is needed on the effect of night temperature on plants biomass allocation, since the publication bias on this effect could not be ignored in this meta-analysis.…”

Section: Discussionsupporting

confidence: 92%

“…HNT and LNT impact plant physiology in many aspects, of which photosynthesis is the most severely affected process (Berry and Bjorkman, 1980; Damian and Donald, 2001; Yu et al, 2002; Liu et al, 2010, 2011). There was a consistent suppression on A net (net CO 2 assimilation rate) at LNT for both C 3 (Flexas and Osmond, 1999; Bange and Milroy, 2004; Zhang et al, 2010; Sao et al, 2013b) and C 4 species (Sao et al, 2013a), but a stimulation for CAM species (Chen et al, 2008; Pollet et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…HNT had a positive (Seddigh and Jolliff, 1984c; Prieto et al, 2009; Darnell et al, 2013), negative (Teragishi et al, 2001; Mohammed et al, 2013; Narayanan et al, 2015; Peraudeau et al, 2015), or no effect (Veatch et al, 2007; Ibrahim et al, 2010; Cheesman and Klaus, 2013) on A net for C 3 species and a negative (Prasad and Djanaguiraman, 2011) effect for C 4 species. The effect of HNT and LNT on photosynthesis was related to leaf chlorophyll content (Prasad and Djanaguiraman, 2011), fluorescence parameters including photochemical efficiency of PSII ( F v / F m ), PSII quantum yield (Φ PSII ) and ETR (Liu et al, 2011, 2012; Zhang et al, 2014), nitrogen (N) concentration (Mohammed and Tarpley, 2009a), g s (stomatal conductance) (Farquhar and Sharkey, 1982) and enzyme activities related to carbon fixation (Noctor and Foyer, 1998). Among different PFTs, a positive correlation between HNT and plant height was reported (Patterson, 1990; Papadopoulos and Hao, 2000; Cheng et al, 2009; Lucidos et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Plant Physiological, Morphological and Yield-Related Responses to Night Temperature Changes across Different Species and Plant Functional Types

et al. 2016

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Land surface temperature over the past decades has shown a faster warming trend during the night than during the day. Extremely low night temperatures have occurred frequently due to the influence of land-sea thermal difference, topography and climate change. This asymmetric night temperature change is expected to affect plant ecophysiology and growth, as the plant carbon consumption processes could be affected more than the assimilation processes because photosynthesis in most plants occurs during the daytime whereas plant respiration occurs throughout the day. The effects of high night temperature (HNT) and low night temperature (LNT) on plant ecophysiological and growing processes and how the effects vary among different plant functional types (PFTs) have not been analyzed extensively. In this meta-analysis, we examined the effect of HNT and LNT on plant physiology and growth across different PFTs and experimental settings. Plant species were grouped according to their photosynthetic pathways (C3, C4, and CAM), growth forms (herbaceous, woody), and economic purposes (crop, non-crop). We found that HNT and LNT both had a negative effect on plant yield, but the effect of HNT on plant yield was primarily related to a reduction in biomass allocation to reproduction organs and the effect of LNT on plant yield was more related to a negative effect on total biomass. Leaf growth was stimulated at HNT and suppressed at LNT. HNT accelerated plants ecophysiological processes, including photosynthesis and dark respiration, while LNT slowed these processes. Overall, the results showed that the effects of night temperature on plant physiology and growth varied between HNT and LNT, among the response variables and PFTs, and depended on the magnitude of temperature change and experimental design. These findings suggest complexities and challenges in seeking general patterns of terrestrial plant growth in HNT and LNT. The PFT specific responses of plants are critical for obtaining credible predictions of the changes in crop production, plant community structure, vegetation dynamics, biodiversity, and ecosystem functioning of terrestrial biomes when asymmetric night temperature change continues.

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Section: Discussionsupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Plant Physiological, Morphological and Yield-Related Responses to Night Temperature Changes across Different Species and Plant Functional Types

et al. 2016

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“…), an important vegetable crop cultivated in Northeastern China, often encounters low night temperature (LNT) stress followed by warm sunny days. Our previous studies showed that carbon fixation capacity, linear electron transport, and active oxygen-scavenging enzymes is inhibited by LNT stress followed by growth light [1], [2]. LNT stress can induce photoinhibition, which refers to reduction in photosynthetic efficiency under excessive light [3], [4] of tomato leaves.…”

Section: Introductionmentioning

confidence: 99%

Exogenous Calcium Alleviates Low Night Temperature Stress on the Photosynthetic Apparatus of Tomato Leaves

et al. 2014

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The effect of exogenous CaCl2 on photosystem I and II (PSI and PSII) activities, cyclic electron flow (CEF), and proton motive force of tomato leaves under low night temperature (LNT) was investigated. LNT stress decreased the net photosynthetic rate (Pn), effective quantum yield of PSII [Y(II)], and photochemical quenching (qP), whereas CaCl2 pretreatment improved Pn, Y(II), and qP under LNT stress. LNT stress significantly increased the non-regulatory quantum yield of energy dissipation [Y(NO)], whereas CaCl2 alleviated this increase. Exogenous Ca2+ enhanced stimulation of CEF by LNT stress. Inhibition of oxidized PQ pools caused by LNT stress was alleviated by CaCl2 pretreatment. LNT stress reduced zeaxanthin formation and ATPase activity, but CaCl2 pretreatment reversed both of these effects. LNT stress caused excess formation of a proton gradient across the thylakoid membrane, whereas CaCl2 pretreatment decreased the said factor under LNT. Thus, our results showed that photoinhibition of LNT-stressed plants could be alleviated by CaCl2 pretreatment. Our findings further revealed that this alleviation was mediated in part by improvements in carbon fixation capacity, PQ pools, linear and cyclic electron transports, xanthophyll cycles, and ATPase activity.

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“…From these values maximum quantum efficiency of photosystem II (PSII) photochemistry (Fv/Fm), maximum efficiency of PSII photochemistry in the light, if all centres were open (Fv′/Fm′), and an estimate of the fraction of open PSII centres (qL) were calculated in line with Murchie and Lawson (2013). According to Liu et al (2011), the light energy absorbed by the photosynthetic system is dissipated into the fraction of photon energy absorbed by PSII antennae (P), a thermally dissipated portion (D) and the remaining fraction (denoted as the 'excess'; E), which were all estimated in percent. However, the P-fraction, trapped by 'open' PSII reaction centres and used in PSII photochemistry was calculated using qL instead of qP, because the relationship between qP and the fraction of open centres is regarded as non-linear (Murchie and Lawson, 2013); hence P = F v′ /F m′ × qL, D = 1 -F v′ /F m′, and E = 1 -(P + D).…”

Section: Plant Materialsmentioning

confidence: 99%

Chlorophyll Fluorescence as a Tool to Assess the Regeneration Potential of African Violet Leaf Explants

Keutgen

Figas

Tomaszewska-Sowa

et al. 2016

Not Bot Hort Agrobot Cluj

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Micropropagation of many ornamentals has enabled their efficient commercialisation and many problems have been solved by the elaboration of adequate culture protocols. Nevertheless, a non-destructive technique for monitoring the developmental progress of explants would be desirable. The present study focussed on the applicability of chlorophyll fluorescence in leaf explants of African violet (a Saintpaulia ionantha × confusa -hybrid) explanted onto Murashige and Skoog basic medium. The explants that survived on the medium without additional phytohormones had the capacity to develop further into two different kinds of explants: light green explants, characterized by a non-regular size growth and stiffer appearance, and dark green explants capable of organogenesis. Compared to the source leaves of African violet plants, explants were characterized by reduced chlorophyll (Chl) and carotenoid (Car) contents as well as a tendency towards a higher Car/Chl ratio. The Chl a/b ratio decreased significantly in the light green explants. A reduction of maximum quantum efficiency of photosystem II (F v /F m ) accompanied by a high percentage (> 50%) of thermal energy dissipation as a consequence of an elevated light intensity (800 µmol m -2 s -1 quanta) indicated photoinhibition in the light green explants, whereas in the dark green explants the largest percentage (> 50%) of the light energy was dissipated into the fraction of photon energy trapped by 'closed' photosystem II reaction centres. These results suggest that the capacity of organogenesis of leaf explants of African violet can be monitored using chlorophyll fluorescence, because it is related to modifications of the photosynthetic system.

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Effect of low night temperature treatment and recovery on photosynthesis and the allocation of absorbed light energy in tomato (Lycopersicon esculentumMill.) leaves

Cited by 8 publications

References 0 publications

Plant Physiological, Morphological and Yield-Related Responses to Night Temperature Changes across Different Species and Plant Functional Types

Plant Physiological, Morphological and Yield-Related Responses to Night Temperature Changes across Different Species and Plant Functional Types

Exogenous Calcium Alleviates Low Night Temperature Stress on the Photosynthetic Apparatus of Tomato Leaves

Chlorophyll Fluorescence as a Tool to Assess the Regeneration Potential of African Violet Leaf Explants

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