Analysing the impact of ozone on biochemical and physiological variables in plant species belonging to natural ecosystems

Scebba, Francesca; Giuntini, D.; Castagna, Antonella; Soldatini, Gianfranco; Ranieri, Annamaria

doi:10.1016/j.envexpbot.2005.04.005

Cited by 23 publications

(14 citation statements)

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“…The most obvious effect of ozone on vegetation is an accelerated senescence, accompanied by a decrease of photosynthetic rate, alteration of carbon allocation and biomass partitioning, yield loss, and seed quality alteration (Scebba et al, 2006;Feng et al, 2008Feng et al, , 2010Feng and Kobayashi, 2009). These detrimental effects may attribute partly to the deterioration of plant nutrition status induced by O 3 stress.…”

Section: Introductionmentioning

confidence: 99%

Arbuscular mycorrhizal fungi alter the response of growth and nutrient uptake of snap bean (Phaseolus vulgaris L.) to O3

Wang

Feng

Wang

et al. 2011

Journal of Environmental Sciences

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The effects of arbuscular mycorrhizal fungi (AMF) Glomus mosseae on the responses to elevated O 3 in growth and nutrition of snap bean (Phaseolus vulgaris L. cv Guangzhouyuan) were investigated. Exposure was conducted in growth chambers by using three O 3 concentrations (20 (CF), 80 (CFO1) and 120 nL/L (CFO2); 8 hr/day for 75 days). Results showed that elevated O 3 slightly impacted overall mycorrhizal colonization, but significantly decreased the proportional frequency of hypha and increased the proportional frequency of spores and vesicles, suggesting that O 3 had significant effects on mycorrhizal structure. Elevated O 3 significantly decreased yield, dry mass and nutrient contents (N, P, K, Ca and Mg) in both non-mycorrhizal and mycorrhizal plants. However, significant interactive effects were found in most variables due to that the reduction by O 3 in the mycorrhizal plants was less than that in the non-mycorrhizal plants. Additionally, AMF increased the concentrations of N, P, Ca, and Mg in shoot and root. It can be concluded that AMF alleviated detrimental effects of increasing O 3 on host plant through improving plant nutrition and growth.

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Section: Introductionmentioning

confidence: 99%

Arbuscular mycorrhizal fungi alter the response of growth and nutrient uptake of snap bean (Phaseolus vulgaris L.) to O3

Wang

Feng

Wang

et al. 2011

Journal of Environmental Sciences

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“…Indicatively, O 3 -induced alterations have been reported as phenological (Augustaitis and Bytnerowicz, 2008;Bortier et al, 2000;El-Khatib, 2003), physiological (Hoshika et al, 2013a;Paoletti et al, 2008;Scebba et al, 2006a;Street et al, 2011;Zhang et al, 2001Zhang et al, , 2014, transcriptional (Street et al, 2011), biochemical (Paoletti et al, 2008;Watanabe et al, 2013;Zhang et al, 2001), and genetic (Kolliker et al, 2008;Muller et al, 1996;Olbrich et al, 2010;Street et al, 2011) variables. Evidence also shows that Ο 3 impact on plants is not only direct, but also indirect as, for example, in the case of annual carbon absorption that has been reported to be negatively affected by Ο 3 (Watanabe et al, , 2014.…”

Section: Ozone Effects On Other Variablesmentioning

confidence: 99%

Tropospheric O<sub>3</sub>, the nightmare of wild plants: a review study

Agathokleous

Saitanis

Koike

2015

J. Agric. Meteorol.

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Ambient ozone (O 3 ) poses a growing threat to the global ecosystems due to its high phytotoxicity: it may possibly reduce the productivity of wild plants as well as the species' biodiversity. Asia hosts a remarkable number of wild plant species; thus, studies dealing with Asian species' responses to O 3 are of great importance. We have retrieved, from scientific databases, 195 papers dealing with the response of 473 wild plants species to O 3 . Some species we characterize as "ozonophobic" have been reported to be negatively affected by O 3 , even at O 3 levels lower than the AOT40 threshold. This review revealed the lack of research dealing with the effects of O 3 on endangered or threatened plant species, as well as on important medical plants. Such research is needed not only from an ecological point of view or in terms of biodiversity value, but also from an anthropocentric point of view. Several wild species carry unique substances that are used in medicines for healing human diseases or in agro-industry for the production of agrochemicals, thus securing human welfare.

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“…Recent studies with plants of natural ecosystems (Scebba et al 2006), tree species (maple: Calatayud et al 2007) and crops (tomato: Degl'Innocenti et al 2007; soybean: Singh et al 2009), particularly using chlorophyll fluorescence as a measurement tool, have shown that O 3 can alter photosynthetic processes at the level of the electron transport. The effects were connected with decreases in leaf chlorophyll content, reduction in the efficiency of excitation capture, reduced numbers of intact or open photosystem II reaction centres or increases in dissipation of energy through heat.…”

Section: Physiological Effectsmentioning

confidence: 99%