Adaptation Of Plants To Waterlogging And Hypoxia
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Author | : Najeeb Ullah |
Publisher | : Frontiers Media SA |
Total Pages | : 235 |
Release | : 2024-06-03 |
Genre | : Science |
ISBN | : 2832549659 |
Plants, like other living organisms, require oxygen and water supplies for sustaining their normal growth and development. The water requirement is generally met through a coordinated system of root-to-shoot communication. However, excessive soil moisture in the rhizosphere can impact normal functioning of plants by restricting oxygen supplies to the roots. To survive under hypoxic conditions, plants show cellular, molecular, and functional level adaptations. One temporary response could be switching to anaerobic respiration, and maintain energy production to some extent, via glycolysis and ethanol fermentation. However, root respiration, water, and nutrient uptake, and hormonal synthesis are severely impacted under sustained periods of oxygen deficiency. These belowground changes, in turn, affect shoot performance and yield formation by interfering with the key physiological processes.
Author | : Neil C. Turner |
Publisher | : John Wiley & Sons |
Total Pages | : 504 |
Release | : 1980 |
Genre | : Science |
ISBN | : |
Morphological adaptations to water stress. Physiological adaptations to water stress. Adaptation to high temperature stress. Interaction and integration of adaptations to stress. Breeding and selection for adaptation to stress.
Author | : Stefano Mancuso |
Publisher | : Springer Science & Business Media |
Total Pages | : 299 |
Release | : 2010-03-10 |
Genre | : Science |
ISBN | : 3642103057 |
In the last half century, because of the raising world population and because of the many environmental issues posed by the industrialization, the amount of arable land per person has declined from 0.32 ha in 1961–1963 to 0.21 ha in 1997–1999 and is expected to drop further to 0.16 ha by 2030 and therefore is a severe menace to food security (FAO 2006). At the same time, about 12 million ha of irrigated land in the developing world has lost its productivity due to waterlogging and salinity. Waterlogging is a major problem for plant cultivation in many regions of the world. The reasons are in part due to climatic change that leads to the increased number of precipitations of great intensity, in part to land degradation. Considering India alone, the total area suffering from waterlogging is estimated to be about 3.3 million ha (Bhattacharya 1992), the major causes of waterlogging include super- ous irrigation supplies, seepage losses from canal, impeded sub-surface drainage, and lack of proper land development. In addition, many irrigated areas are s- jected to yield decline because of waterlogging due to inadequate drainage systems. Worldwide, it has been estimated that at least one-tenth of the irrigated cropland suffers from waterlogging.
Author | : Elena Loreti |
Publisher | : MDPI |
Total Pages | : 288 |
Release | : 2021-03-02 |
Genre | : Science |
ISBN | : 3036501487 |
Molecular oxygen deficiency leads to altered cellular metabolism and can dramatically reduce crop productivity. Nearly all crops are negatively affected by a lack of oxygen (hypoxia) due to adverse environmental conditions such as excessive rain and soil waterlogging. Extensive efforts to fully understand how plants sense oxygen deficiency and their ability to respond using different strategies are crucial to increase hypoxia tolerance. Progress in our understanding has been significant in recent years. This topic certainly deserves more attention from the academic community; therefore, we have compiled a series of articles reflecting the advancements made thus far.
Author | : Joost T. van Dongen |
Publisher | : Springer Science & Business Media |
Total Pages | : 419 |
Release | : 2014-01-17 |
Genre | : Science |
ISBN | : 3709112540 |
During the last ten years, knowledge about the multitude of adaptive responses of plants to low oxygen stress has grown immensely. The oxygen sensor mechanism has been discovered, the knowledge about the interaction network of gene expression is expanding and metabolic adaptations have been described in detail. Furthermore, morphological changes were investigated and the regulative mechanisms triggered by plant hormones or reactive oxygen species have been revealed. This book provides a broad overview of all these aspects of low oxygen stress in plants. It integrates knowledge from different disciplines such as molecular biology, biochemistry, ecophysiology and agricultural / horticultural sciences to comprehensively describe how plants cope with low oxygen stress and discuss its ecological and agronomical consequences. This book is written for plant scientists, biochemists and scientists in agriculture and ecophysiology.
Author | : Jun-Ichi Sakagami |
Publisher | : Springer Nature |
Total Pages | : 183 |
Release | : |
Genre | : |
ISBN | : 9819991129 |
Author | : Iduna Arduini |
Publisher | : Frontiers Media SA |
Total Pages | : 171 |
Release | : 2020-01-03 |
Genre | : |
ISBN | : 2889633667 |
Author | : L. Fowden |
Publisher | : Springer |
Total Pages | : 376 |
Release | : 1993-09-30 |
Genre | : Nature |
ISBN | : |
Provides a broad coverage of how plants respond and adjust to both natural and anthrogenic environmental variables, and identifies unifying concepts spanning levels of organization from the subcellular to whole natural plant communities. Among the specific topics are climatic constraints on crop production, plants under salt and water stress, the effects of stress on the genome, and a dialectic approach to plant strategies. The 18 papers are from an October 1992 symposium (site not cited). Annotation copyright by Book News, Inc., Portland, OR
Author | : Pierdomenico Perata |
Publisher | : Frontiers E-books |
Total Pages | : 143 |
Release | : 2015-01-05 |
Genre | : Botany |
ISBN | : 2889193047 |
Author | : Bozzano G Luisa |
Publisher | : Academic Press |
Total Pages | : 373 |
Release | : 2012-12-02 |
Genre | : Science |
ISBN | : 0323139116 |
Flooding and Plant Growth covers the state of knowledge and opinion on the effects of flooding of soil with fresh or salt water on the metabolism and growth of herbaceous and woody plants. The book discusses the extent, causes, and impacts of flooding; the effects of flooding on soils and on the growth and metabolism of herbaceous plants; and the responses of woody plants to flooding. The text also describes the effect of flooding on water, carbohydrate, and mineral relations, as well as the effects of flooding on hormone relations and on plant disease. The adaptations to flooding with fresh water and the adaptations of plants to flooding with salt water are also encompassed. Agronomists, biochemists, plant ecologists, engineers, foresters, horticulturists, plant anatomists, meteorologists, geneticists, plant breeders, plant physiologists, and landscape architects will find the book invaluable.