Oxygen Transport in Waterlogged Plants

Wegner, Lars H.

doi:10.1007/978-3-642-10305-6_1

Cited by 47 publications

(30 citation statements)

References 53 publications

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“…, oxygen levels limit mitochondrial respiration) and, later, anoxic ( i.e. , respiration is completely inhibited) [104,105]. The low energy status under oxygen deficient conditions results in a substantial depolarization of plasma membrane potential [106], subsequent impairment of ion transport processes through voltage-gated uptake channels and a decrease of the uptake of most essential cations (e.g., K + , NH 4 + or Mg 2+ ) [107,108].…”

Section: The Role Of Potassium In Abiotic Stress Resistancementioning

confidence: 99%

The Critical Role of Potassium in Plant Stress Response

Wang

Zheng

Shen

et al. 2013

IJMS

1,378

829

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Agricultural production continues to be constrained by a number of biotic and abiotic factors that can reduce crop yield quantity and quality. Potassium (K) is an essential nutrient that affects most of the biochemical and physiological processes that influence plant growth and metabolism. It also contributes to the survival of plants exposed to various biotic and abiotic stresses. The following review focuses on the emerging role of K in defending against a number of biotic and abiotic stresses, including diseases, pests, drought, salinity, cold and frost and waterlogging. The availability of K and its effects on plant growth, anatomy, morphology and plant metabolism are discussed. The physiological and molecular mechanisms of K function in plant stress resistance are reviewed. This article also evaluates the potential for improving plant stress resistance by modifying K fertilizer inputs and highlights the future needs for research about the role of K in agriculture.

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Section: The Role Of Potassium In Abiotic Stress Resistancementioning

confidence: 99%

The Critical Role of Potassium in Plant Stress Response

Wang

Zheng

Shen

et al. 2013

IJMS

1,378

829

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show abstract

“…Flooding imposed excess water in plants' living surroundings and deprives the plants of oxygen, carbon dioxide and light for photosynthesis (Michael, Kimiharu, & Osamu, ). After the soil was flooded, the environment became hypoxic and later anoxic and plant growth was affected by lack of oxygen (Armstrong, ; Bailey‐Serres & Voesenek, ; Blom & Voesenek, ; Vartapetian & Jackson, ; Voesenek, Rijnders, Peeters, Van de Steeg, & De Kroon, ; Wegner, ). Additionally, the flooded soils decreased redox potential and increased the accumulation of various soil phytotoxins such as sulphides, soluble Fe and Mn, ethanol, lactic acid, carboxylic acids, acetaldehyde and acetic and formic acid (Fiedler, Vepraskas, & Richardson, ; Kozlowski, ; McKee & McKevlin, ; Pezeshki, ; Pezeshki & DeLaune, ; Ponnamperuma, ).…”

Section: Introductionmentioning

confidence: 99%

Evaluation and development of flood‐tolerant soybean cultivars

Zeng

Chen

et al. 2017

Plant Breeding

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Soybean (Glycine max [L.] Merr.) cultivars are generally sensitive to flooding stress. The plant growth is severely affected and grain yield is largely reduced in the flooded field. It is important to develop flood‐tolerant soybean cultivars for grain production in regions of heavy rainfalls worldwide. In this study, a total of 722 soybean genotypes were evaluated for flooding tolerance at R1 stages (first flower at any node) in the 5‐year flooding screening tests. Differential soybean genotypes exhibited diverse responses to flooding stress with that plant foliar damage score (FDS) and plant survival rate (PSR) ranged from 1.9 to 8.8 and 3.4% to 81.7%, respectively (p < .0001). Based on our standard of flooding evaluation, most genotypes were sensitive to flooding with 6.0 of average FDS and 38.7% of PSR. Fifty‐two soybean genotypes showed flooding tolerance and 11 genotypes were with consistent flooding tolerance during 4‐ to 5‐year continual evaluations. In the meantime, six genotypes were identified with consistent high sensitivity to flooding. The group analysis showed that genotypes from different sources had distinguishable responses to flooding stress (p < .0001). The interacting analysis of year and flooding tolerance indicated that FDS and PSR means were significantly different among 5 years due to weather temperature and flooding treatment time influences of each year (p < .0001). Furthermore, five breeding lines with high‐yielding and flood‐tolerant traits were developed using selected consistent flood‐tolerant and high‐yielding genotypes through conventional breeding approach.

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“…The T80 conditions may have caused hypoxia, which may reduce the absorption capacity of water and nutrients (Taiz & Zeiger, 2009). Moreover, some authors report that hypoxia can reduce the uptake of nutrients in roots due to the limited available energy (Bailey-Serres & Voesenek, 2008;Wegner, 2010;Marschner, 2011).…”

Section: Discussionmentioning

confidence: 99%

Plant Growth, Antioxidative Enzymes, Lipid Peroxidation and Organic Solute Contents in Mulungu Seedlings (Erythrina velutina) Under Different Field Capacities

Martins¹,

Brito²,

Arruda³

et al. 2018

JAS

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Erythrina velutina (mulungu) is an endemic species of caatinga found in Northeast Brazil. As a result of its rapid plant growth, the species may be an alternative for the recovery of degraded areas. Thus, the present study aimed to analyze the effects of irrigation with different field capacilities (FC): 20, 50 and 80% on plant growth, antioxidative enzyme activities, membrane lipid peroxidation and organic solute contents in mulungu seedlings under greenhouse conditions. The experiment was carried out at Instituto Federal Educação, Ciência e Tecnologia do Ceará (IFCE)-Campus Maracanaú, Ceará, Brazil. Under the presented experimental conditions, E. velutina plants showed higher growth variables (dry matter yield and leaf area) when submitted to daily irrigation of 50% of FC. Irrigation at 20% of FC caused a small water deficit. However, 80% of FC watering may have resulted in an excess of water. In general, despite the reduction in plant growth in plants irrigated at 20% of FC, the activities of the antioxidant enzymes did not differ substantially between treatments. In general, the lowest organic solute contents were detected in irrigations at 20 or 80% of FC.

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Oxygen Transport in Waterlogged Plants

Cited by 47 publications

References 53 publications

The Critical Role of Potassium in Plant Stress Response

The Critical Role of Potassium in Plant Stress Response

Evaluation and development of flood‐tolerant soybean cultivars

Plant Growth, Antioxidative Enzymes, Lipid Peroxidation and Organic Solute Contents in Mulungu Seedlings (Erythrina velutina) Under Different Field Capacities

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