Waterlogging Signalling and Tolerance in Plants by Lars H. Wegner (auth.), Stefano Mancuso, Sergey Shabala

By Lars H. Wegner (auth.), Stefano Mancuso, Sergey Shabala (eds.)

In the final part century, as a result elevating international inhabitants and thanks to the various environmental matters posed via the industrialization, the quantity of arable land according to individual has declined from 0.32 ha in 1961–1963 to 0.21 ha in 1997–1999 and is anticipated to drop additional to 0.16 ha through 2030 and for that reason is a serious threat to nutrients defense (FAO 2006). while, approximately 12 million ha of irrigated land within the constructing global has misplaced its productiveness as a result of waterlogging and salinity. Waterlogging is an enormous challenge for plant cultivation in lots of areas of the area. the explanations are partially as a result of climatic swap that results in the elevated variety of precipitations of serious depth, partially to land degradation. contemplating India by myself, the full sector being affected by waterlogging is predicted to be approximately 3.3 million ha (Bhattacharya 1992), the main motives of waterlogging contain tremendous- ous irrigation provides, seepage losses from canal, impeded sub-surface drainage, and shortage of right land improvement. moreover, many irrigated components are s- jected to yield decline as a result of waterlogging because of insufficient drainage structures. all over the world, it's been envisioned that not less than one-tenth of the irrigated cropland suffers from waterlogging.

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This mechanism has indeed been shown to function (Huang et al. 2008; Summers et al. 2000). However, several studies have shown that the anoxia-induced inhibition of nutrient uptake does not correlate with a reduction in the adenylate energy charge (Ishizawa et al. 1999) or with insufficient proton motive force (Zhang and Greenway 1995). These latter results indicate that inhibition of ion uptake is the result of down-regulation of transport systems. M. Elzenga and H. van Veen thermodynamic effect of the reduced synthesis of ATP, it is very likely that the down-regulation of transporter systems is part of the “energy saving” strategy of the plant, enabling the diversion of energy to even more essential processes like the regulation of cytoplasmic pH.

Ann Bot 88:579–589 Gibbs J, Turner DW, Armstrong W, Darwent MJ, Greenway H (1998) Response to oxygen deficiency in primary maize roots. I. Development of oxygen deficiency in the stele reduces radial solute transport to the xylem. Aust J Plant Physiol 25:745–758 Goormachtig S, Capoen W, James EK, Holsters M (2004) Switch from intracellular to intercellular invasion during water stress-tolerant legume nodulation. PNAS (USA) 101:6303–6308 Greenway H, Gibbs J (2003) Mechanisms on anoxia tolerance in plants.

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