Plants and flooding stress

Perata, Pierdomenico; Armstrong, W.; Voesenek, Laurentius A. C. J.

doi:10.1111/j.1469-8137.2011.03702.x

Cited by 94 publications

(53 citation statements)

References 34 publications

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“…Many of these changes produce accumulation of reduced metal ions, organic and volatile acids, which are potentially damaging to plant roots. Their accumulation to phytotoxic levels requires time; however, the absence of oxygen alone is enough to alter plant metabolism to critical levels (Perata et al, 2011). These changes greatly affect the capacity of a plant to survive such conditions.…”

Section: Introductionmentioning

confidence: 99%

Effects of transient soil waterlogging and its importance for rootstock selection

Morales-Olmedo¹,

Ortiz²,

Selles

2015

Chilean J. Agric. Res.

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Under transient waterlogging, a number of transformations in the soil are generated associated with lack of aeration, seriously affecting the root system. Significant progress has been reported on understanding the effects of lack of oxygen on the metabolism of the roots, although few studies have examined changes in the soil. Diverging conclusions about the degree of tolerance exhibited by plants exclude the effects of hypoxia and anoxia on physical-chemical soil properties under plant experiments. This review examines the main changes occurring in soil and roots due to transient soil waterlogging conditions. Parameters such as antioxidant capacity, nutrient uptake dynamics and regeneration and distribution of the root system are relevant for selecting rootstocks tolerant to soil waterlogging.

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Section: Introductionmentioning

confidence: 99%

Effects of transient soil waterlogging and its importance for rootstock selection

Morales-Olmedo¹,

Ortiz²,

Selles

2015

Chilean J. Agric. Res.

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“…Flooding-induced plant damage occur, especially by reducing the availability of O 2 and the diffusion of gases (mainly O 2 e CO 2 ) (Perata et al, 2011), inhibiting seed germination, vegetative and reproductive growth and, depending on the intensity, plant death (Kozlowski, 1997). The drought affects many physiological processes of the plants, generally by increasing the stomatal resistance, reducing transpiration and thus the supply of CO 2 (Nogueira et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

Leaf gas exchange and biomass partitioning in Jatropha curcas L. young plants subjected to flooding and drought stresses

Santana¹,

Silva²,

Oliveira³

et al. 2017

Aust J Crop Sci

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With the purpose of assessing the physiological responses of J. curcas young plants to drought and flooding, plants were subjected to three watering regimes: Control, drought and flooding. In the same period, five plants were submitted to drought (irrigation suspension), five to flooding and five were maintained near the field capacity (control). Measurements of leaf gas exchange, chlorophyll content, biomass of each organ (leaf, stem and root), biomass ratios, as well as the root:shoot ratio were made. When compared to control, drought and flooding treatments led to significant reductions (P≤.05) of gas exchange rates at 14 and 7 days after imposition treatments (DAIT), respectively. At the 16 th DAIT, significant reductions of leaf, root, stem and total biomass were observed, which resulted in changes of biomass partitioning of each organ. Significant reduction of leaf dry biomass (LDB) was observed in water deficit plants. Moreover, no significant effects of water deficit were observed in root dry biomass. Such response has led to a higher root:shoot ratio, suggesting an improved ability for water and nutrients uptake. In turn, flooding has induced a significant decrease in the dry biomass of all organs. Stem dry biomass ratio of flooded plants (0.67 g g -1 ) was significantly higher than that of control plants (0.41 g g -1 ), which, was seemingly due to leaf senescence and root system rotting of flooded plants. Altogether, present results reinforce the susceptibility of the studied genotype of J. curcas to flooding, as well as highlight some characteristics of drought tolerance in this species.

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“…Hypoxia is not only limited to mofette sites, but is a wider phenomenon and a common transient property of soils that often appears in waterlogged and flooded areas or due to soil compaction. In a special issue of New Phytologist (New Phytologist 190, 2011) on 'Plant anaerobiosis' several mechanisms involved in plant response to flooding stress, the effects floods may have on patterns of plant distribution and biodiversity, and the devastating impact on crop growth are described (Perata et al, 2011). Interestingly, no reports on the response of plant symbiotic arbuscular mycorrhizal fungi or any other rhizosphere organisms to hypoxia were considered in this issue, though rhizosphere organisms represent an important ecosystem component affecting plant performance in practically all natural environments.…”

Section: Why Mofette Research Matters?mentioning

confidence: 99%

“…Thus, since the first rhizosphere study conducted within the Stavešinci mofette field, focusing on the research of high CO 2 concentrations and hypoxia on root respiration (Maček et al, 2005), hypoxia was chosen as the our stress of choice for further investigations: it is present in many natural ecosystems (Perata et al, 2011) and in addition, mofettes provide an unique example of plant and soil communities subject to well characterized (Vodnik et al 2006, localized, long-term selection pressure (Maček et al, 2011). This represents a relatively rare opportunity for research of the different aspects of soil ecology and the driving forces of soil diversity in natural ecosystems, and therefore sheds some light on an important research issue that needs immediate attention in order to better understand soil biodiversity and its ecological functions.…”

Section: Why Mofette Research Matters?mentioning

confidence: 99%

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A decade of research in mofette areas has given us new insights into adaptation of soil microorganisms to abiotic stress / DESETLETJE RAZISKAV NA OBMOČJIH MOFET NAM JE OMOGOČILO NOVE VPOGLEDE V ADAPTACIJO MIKROORGANIZMOV NA ABIOTSKI STRES

Maček¹

2013

Acta Agriculturae Slovenica

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Natural CO 2 springs (mofettes) represent extreme ecosystems with severe exhalations of ambient temperature geological CO 2 , inducing long-term soil hypoxia. In this paper an overview of mofette research in the fields of microbial ecology and biodiversity in presented, with a focus on the studies describing the impact of the changed soil gas regime on communities of arbuscular mycorrhizal fungi, archaea and bacteria. Along with the fast development of new, highthroughput molecular techniques driving the field of molecular ecology, mofettes enable new insights into the importance of the abiotic environmental factors in regulating soil biodiversity, and the community structure of these functionally important microbial groups.Key words: natural CO 2 springs, hypoxia, abiotic environmental factors, carbon capture and storage -CCS, soil ecology, archaea, bacteria, Glomeromycota IZVLEČEK DESETLETJE RAZISKAV NA OBMOČJIH MOFET NAM JE OMOGOČILO NOVE VPOGLEDE V ADAPTACIJO MIKROORGANIZMOV NA ABIOTSKI STRESNaravni izviri CO 2 ali mofete predstavljajo ekstremen ekosistem, kjer zaradi izhajanja geološkega plina v tleh prihaja do dologoročnega pojava hipoksije. V preglednem članku so predstavljene raziskave z območij mofet s področja mikrobne ekologije, ki opisujejo vplive sprememenjenih koncentracij talnih plinov na združbe arbuskularnih mikoriznih gliv, arhej in bakterij. Skupaj s hitrim razvojem novih molekulskih pristopov, predvsem novih generacij visokozmogljivega paralelnega sekvenciranja, ki poganjajo področje molekularne ekologije, mofete omogočajo raziskovanje vpliva abiotskih dejavnikov okolja na biodiverziteto in strukturo združb teh funkcionalno pomembnih skupin talnih mikrobov.Ključne besede: naravni izviri CO 2 , hipoksija, abiotski dejavniki okolja, zajemanje in skladiščenje CO 2 , ekologija tal, arheje, bakterije, Glomeromycota

show abstract

Plants and flooding stress

Cited by 94 publications

References 34 publications

Effects of transient soil waterlogging and its importance for rootstock selection

Effects of transient soil waterlogging and its importance for rootstock selection

Leaf gas exchange and biomass partitioning in Jatropha curcas L. young plants subjected to flooding and drought stresses

A decade of research in mofette areas has given us new insights into adaptation of soil microorganisms to abiotic stress / DESETLETJE RAZISKAV NA OBMOČJIH MOFET NAM JE OMOGOČILO NOVE VPOGLEDE V ADAPTACIJO MIKROORGANIZMOV NA ABIOTSKI STRES

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