Protection of palak (Beta vulgaris L. var Allgreen) plants from ozone injury by ethylenediurea (EDU): Roles of biochemical and physiological variations in alleviating the adverse impacts

Tiwari, Supriya; Agrawal, Madhoolika

doi:10.1016/j.chemosphere.2009.02.034

Cited by 43 publications

(22 citation statements)

References 49 publications

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“…Significant increments in foliar Chl content and Pn of EDU-treated plants suggested that EDU delays the senescence in leaves of plants. Most works indicated that the maintenance in activity of antioxidant enzymes, especially ascorbate peroxidase and high levels of ascorbic acid were assumed to be responsible for the protective effect of EDU (Brunschiin-Harti et al, 1995;Paoletti et al, 2009;Tiwari and Agrawal, 2009). However, the mode of action of EDU remains disputed or unconfirmed (Paoletti et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

Protection of plants from ambient ozone by applications of ethylenediurea (EDU): A meta-analytic review

Zhu

Wang

Szantoi

et al. 2010

Environmental Pollution

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A meta-analysis was conducted to quantitatively assess the effects of ethylenediurea (EDU) on ozone (O 3 ) injury, growth, physiology and productivity of plants grown in ambient air conditions. Results indicated that EDU significantly reduced O 3 -caused visible injury by 76%, and increased photosynthetic rate by 8%, above-ground biomass by 7% and crop yield by 15% in comparison with non-EDU treated plants, suggesting that ozone reduces growth and yield under current ambient conditions. EDU significantly ameliorated the biomass and yield of crops and grasses, but had no significant effect on tree growth with an exception of stem diameter. EDU applied as a soil drench at a concentration of 200e400 mg/L has the highest positive effect on crops grown in the field. Long-term research on full-grown tree species is needed. In conclusion, EDU is a powerful tool for assessing effects of ambient [O 3 ] on vegetation.

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Section: Discussionmentioning

confidence: 99%

Protection of plants from ambient ozone by applications of ethylenediurea (EDU): A meta-analytic review

Zhu

Wang

Szantoi

et al. 2010

Environmental Pollution

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“…O 3 phytotoxicity is due to its oxidative capacity that induces reactive oxygen species in plants exposed to it. Ethylenediurea (EDU) is an antioxidant chemical not available commercially and used only as an experimental tool, which provides protection against O 3 injury in a number of plant species (Carnahan et al 1978;Hassan et al 2007;Agrawal et al 2004Agrawal et al , 2005Wahid et al 2001;Tiwari and Agrawal 2009;Singh et al 2010). Extensive use of EDU has been done in the USA and Western Europe to assess the effect of O 3 on plant growth and its metabolism (Kuehler and Flagler 1999;Ribas and Penuelas 2000;Manning et al 2003;Szantoi et al 2009), whereas limited work has been done in tropical countries including India (Hassan 2006;Agrawal et al 2005;Al-Qurainy 2008;.…”

Section: Introductionmentioning

confidence: 98%

Cultivar-Specific Response of Soybean (Glycine max L.) to Ambient and Elevated Concentrations of Ozone Under Open Top Chambers

Singh

Agrawal

2010

Water Air Soil Pollut

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Two cultivars of soybean (Pusa 9814 and Pusa 9712) were investigated to evaluate the impact of ambient and elevated concentrations of ozone (O 3 ) in a suburban site of India with and without application of 400 ppm ethylenediurea (EDU) in open top chambers having filtered air (FCs), non-filtered air (NFCs), and non-filtered plus 20 ppb O 3 (NFCs+20 ppb). Significant reductions were observed in various growth parameters, biomass accumulation, and yield attributes of soybean cultivars due to ambient O 3 in NFCs and elevated concentration of O 3 in NFCs+20 ppb. Reductions in all parameters were of lower magnitude in plants treated with EDU as compared to non-EDU treated plants. Yield (weight of seeds plant −1 ) increased by 29.8% and 33% in Pusa 9712 and by 28.2% and 29.0% in Pusa 9814 due to EDU treatment in plants grown at ambient and elevated levels of O 3 , respectively. The results clearly showed that (a) EDU can be effectively used to assess phytotoxicity of O 3 by providing protection against its deleterious effects, (b) EDU can be used for biomonitoring of O 3 in areas experiencing its higher concentrations, and (3) EDU is more effective against higher concentrations of O 3 .

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“…Repetition of EDU application to soil may result in uneven or unpredictable rates of EDU release from organic matter (Manning et al 2011). A dilemma occurs here: (a) reduce the concentration over time as to avoid any overestimated dosage (due to organic matter release), Hoshika et al 2013Tiwari and Agrawal, 2009Paoletti et al 2008Hoshika et al 2013Varshney and Rout, 1998Elliott et al 1987Long and Davis, 1991 Kostka-Rick and Manning, 1993bKostka-Rick et al 1993Kostka-Rick and Manning, 1993bCannon et al 1993Kostka-Rick and Manning, 1993aTiwari et al 2005 Ainsworth and Ashmore, 1992 Pleijel et al 1999Tiwari et al 2005Elliott et al 1987Pleijel et al 1999Tiwari et al 2005Elliott et al 1987 or (b) increase the concentration over time, especially in woody plants, because plants will have much higher proportion of biomass to supporting organs. This is an important issue that needs to be separately studied in order to better understand the organic matter influence on EDU antiozonate activity.…”

Section: The Role Of Soil Substratementioning

confidence: 99%

“…In ecophysiological terms, this may be translated to an exit of plants from the resistance phase of functional state and a heading towards the path of state of exhaustion (Larcher, 2003), or to a possible staying of plants to the resistance phase for a longer Singh et al 2009Singh et al 2009Lee et al 1981Tiwari and Agrawal, 2009Brunschon-Harti et al 1995Singh et al 2010aLee et al 1981Szantoi et al 2007, 2009Zilinskas et al 1990Szantoi et al 2007Singh et al 2009Szantoi et al 2007, 2009Agrawal et al 2005Szantoi et al 2007, 2009Singh et al 2010aZilinskas et al 1990Cannon et al 1993Lee et al 1981Szantoi et al 2007Tiwari and Agrawal, 2010Lee et al 1981Kuehler and Flagler, 1999Szantoi et al 2007, 2009Tiwari and Agrawal, 2010Singh et al 2010aSingh et al 2009Singh et al 2009Lee et al 1981 Singh et al Astorino et al 1995;Eckardt and Pell, 1996;Singh et al 2009;Scheepers et al 2010;Singh et al 2010b;Tiwari and Agrawal, 2010;Wahid et al 2012Scheepers et al 2010Eckardt and Pel...…”

Section: Edu-induced O 3 Protectionmentioning

confidence: 99%

“…EDU can be applied in the field to assess the O 3 -impact on plants when O 3 concentrations are high (Carnahan et al 1978;Bytnerowicz et al 1993;Kostka-Rick and Manning, 1993a;Hassan et al 1995;Ainsworth et al 1996;Tonneijck and van Dijk, 1997;Manning et al 2003;Agrawal et al 2005;Tiwari et al 2005;Szantoi et al 2007;Wang et al 2007;Paoletti et al 2009;Singh et al 2009;Tiwari and Agrawal, 2009;Feng et al 2010;Scheepers et al 2010;Singh et al 2010a;Manning et al 2011). In addition, Manning et al (2011) highlighted EDU role in screening plants sensitivity to O 3 and understanding the O 3 mode of action.…”

Section: Edu As a Research Toolmentioning

confidence: 99%

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Ethylene-di-urea (EDU), an effective phytoproctectant against O<sub>3</sub> deleterious effects and a valuable research tool

Agathokleous

Koike

Watanabe

et al. 2015

J. Agric. Meteorol.

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Ground-surface ozone (O 3 ) has been increasing over the last decades, and it is now well known that crop and forestry plants suffer from elevated O 3 levels. Ethylene-di-urea (EDU) is considered a chemical that offers protection to the treated plants against Ο 3 . Increasing evidence on the antiozonate efficacy of EDU against the phytotoxic action of O 3 is becoming more readily available. We aimed to review the current literatures on the EDU effects on plants, summarize the findings, note any problems, and formulate conclusions from the existing researches. EDU is a very promising antiozonant with its antiozonate action being observed when applied to roots in the concentrations of 275.7 to 374.3 mg L -1 , or on leaves in the concentrations of 365.1 to 519.5 mg L -1. There is an evidence that EDU was more effective in some cultivars compared with others although this remains inexplicable. Additionally, the biochemical mechanism of its antiozonate activity is not well understood and requires parallel toxicological studies. In summary, EDU must play an important role in O 3 research in the future.

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Protection of palak (Beta vulgaris L. var Allgreen) plants from ozone injury by ethylenediurea (EDU): Roles of biochemical and physiological variations in alleviating the adverse impacts

Cited by 43 publications

References 49 publications

Protection of plants from ambient ozone by applications of ethylenediurea (EDU): A meta-analytic review

Protection of plants from ambient ozone by applications of ethylenediurea (EDU): A meta-analytic review

Cultivar-Specific Response of Soybean (Glycine max L.) to Ambient and Elevated Concentrations of Ozone Under Open Top Chambers

Ethylene-di-urea (EDU), an effective phytoproctectant against O<sub>3</sub> deleterious effects and a valuable research tool

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