Role of AM Fungi in Alleviating Drought Stress in Plants

2014 ◽  
pp. 55-75 ◽  
Author(s):  
Asiya Hameed ◽  
Qiang-Sheng Wu ◽  
Elsayed Fathi Abd-Allah ◽  
Abeer Hashem ◽  
Ashwani Kumar ◽  
...  
Keyword(s):  
Drought Stress ◽  
Am Fungi

scholarly journals Mycorrhiza Fungus Rhizophagus intraradices Mediates Drought Tolerance in Eleusine coracana Seedlings

2018 ◽  
Author(s):  
Jaagriti Tyagi ◽  
Neeraj Shrivastava ◽  
A. K. Sharma ◽  
Ajit Varma ◽  
Ramesh Namdeo Pudake
Keyword(s):  
Drought Stress ◽  
Drought Tolerance ◽  
Finger Millet ◽  
Soluble Sugars ◽  
Leaf Tissue ◽  
Am Fungi ◽  
Mycorrhizal Symbiosis ◽  
Severe Drought ◽  
Rhizophagus Intraradices

Under abiotic stress conditions, arbuscular mycorrhizal (AM) fungi help plants by improving nutrient and water uptake. Finger millet is an arid crop having soils with poor water holding capacity. Therefore, it is difficult for the plants to obtain water and mineral nutrients from the soil to sustain life. To understand the role of mycorrhizal symbiosis in water and mineral up-take from the soil, we studied the role of Rhizophagus intraradices colonization and its beneficial role for drought stress tolerance in finger millet seedling. Under severe drought stress condition, AM inoculation led to the significant increase in plant growth (7%), phosphorus, and chlorophyll content (29%). Also, the level of osmolytes including proline and soluble sugars were found in higher quantities in AM inoculated seedlings under drought stress. Under water stress, the lipid peroxidation in leaves of mycorrhized seedlings was reduced by 29%. The flavonoid content of roots in AM colonized seedlings was found 16% higher compared to the control, whereas the leaves were accumulated more phenol. Compared to the control, ascorbate level was found to be 25% higher in leaf tissue of AM inoculated seedlings. Moreover, glutathione (GSH) level was increased in mycorrhiza inoculated seedlings with a maximum increment of 182% under severe stress. The results demonstrated that AM provided drought tolerance to the finger millet seedlings through a stronger root system, greater photosynthetic efficiency, a more efficient antioxidant system and improved osmoregulation.

scholarly journals Effect of Rhizophagus intraradices on growth and physiological performance of Finger Millet (Eleusine coracana L.) under drought stress

2021 ◽  
Vol 8 (4) ◽  
Author(s):  
Jaagriti Tyagi ◽  
Neeraj Shrivastava ◽  
AK Sharma ◽  
Ajit Varma ◽  
Ramesh Pudake
Keyword(s):  
Drought Stress ◽  
Finger Millet ◽  
Soluble Sugars ◽  
Leaf Tissue ◽  
Am Fungi ◽  
Eleusine Coracana ◽  
Mycorrhizal Symbiosis ◽  
Severe Drought ◽  
Rhizophagus Intraradices

Under abiotic stress conditions, arbuscular mycorrhizal (AM) fungi help plants by improving nutrient and water uptake. Finger millet (Eleusine coracana L.) is an arid crop having soils with poor water holding capacity. Therefore, it is difficult for the plants to obtain water and mineral nutrients from such soil to sustain life. To understand the role of mycorrhizal symbiosis in water and mineral up-take from the soil, we studied the role of Rhizophagus intraradices colonization and its beneficial role for drought stress tolerance in finger millet seedlings. Under severe drought stress condition, AM inoculation led to the significant increase in plant growth (7 %), phosphorus and chlorophyll content (29 %). Also, under drought stress the level of osmolytes such as proline and soluble sugars were found to be increased in AM inoculated seedlings. Under water stress, the lipid peroxidation in leaves of mycorrhized seedlings was reduced by 29 %. The flavonoid content of roots in AM colonized seedlings was found 16 % higher compared to the control, whereas the leaves were accumulated more phenol. Compared to the control, ascorbate level was found to be 25 % higher in leaf tissue of AM inoculated seedlings. Moreover, glutathione (GSH) level was also increased in mycorrhiza inoculated seedlings with a maximum increment of 182 % under severe stress. The results demonstrated that AM provided drought tolerance to the finger millet seedlings through a stronger root system, greater photosynthetic efficiency, a more efficient antioxidant system and improved osmoregulation.

The role of biochar in alleviating soil drought stress in urban roadside greenery

Geoderma ◽  
2021 ◽  
Vol 404 ◽  
pp. 115223
Author(s):  
You Jin Kim ◽  
Junge Hyun ◽  
Sin Yee Yoo ◽  
Gayoung Yoo
Keyword(s):  
Drought Stress ◽  
Soil Drought

scholarly journals Spermine: Its Emerging Role in Regulating Drought Stress Responses in Plants

Cells ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 261
Author(s):  
Md. Mahadi Hasan ◽  
Milan Skalicky ◽  
Mohammad Shah Jahan ◽  
Md. Nazmul Hossain ◽  
Zunaira Anwar ◽  
...  
Keyword(s):  
Drought Stress ◽  
Drought Tolerance ◽  
Stress Responses ◽  
Abiotic Stresses ◽  
Defense Mechanisms ◽  
Antioxidant Defense ◽  
Severe Drought ◽  
New Information ◽  
Effects Of Drought

In recent years, research on spermine (Spm) has turned up a lot of new information about this essential polyamine, especially as it is able to counteract damage from abiotic stresses. Spm has been shown to protect plants from a variety of environmental insults, but whether it can prevent the adverse effects of drought has not yet been reported. Drought stress increases endogenous Spm in plants and exogenous application of Spm improves the plants’ ability to tolerate drought stress. Spm’s role in enhancing antioxidant defense mechanisms, glyoxalase systems, methylglyoxal (MG) detoxification, and creating tolerance for drought-induced oxidative stress is well documented in plants. However, the influences of enzyme activity and osmoregulation on Spm biosynthesis and metabolism are variable. Spm interacts with other molecules like nitric oxide (NO) and phytohormones such as abscisic acid, salicylic acid, brassinosteroids, and ethylene, to coordinate the reactions necessary for developing drought tolerance. This review focuses on the role of Spm in plants under severe drought stress. We have proposed models to explain how Spm interacts with existing defense mechanisms in plants to improve drought tolerance.

scholarly journals Role of melatonin in improving growth, yield quantity and quality of Moringa oleifera L. plant under drought stress

2020 ◽  
Vol 44 (1) ◽  
Author(s):  
Mervat Sh. Sadak ◽  
Aboelfetoh M. Abdalla ◽  
Ebtihal M. Abd Elhamid ◽  
M. I. Ezzo
Keyword(s):  
Drought Stress ◽  
Moringa Oleifera ◽  
Growth Yield

scholarly journals Evidence of Drought Stress Memory in the Facultative CAM, Aptenia cordifolia: Possible Role of Phytohormones

PLoS ONE ◽  
2015 ◽  
Vol 10 (8) ◽  
pp. e0135391 ◽  
Author(s):  
Eva Fleta-Soriano ◽  
Marta Pintó-Marijuan ◽  
Sergi Munné-Bosch
Keyword(s):  
Drought Stress ◽  
Stress Memory

Role of phytosterols in drought stress tolerance in rice

2015 ◽  
Vol 96 ◽  
pp. 83-89 ◽  
Author(s):  
M.S. Sujith Kumar ◽  
Kishwar Ali ◽  
Anil Dahuja ◽  
Aruna Tyagi
Keyword(s):  
Drought Stress ◽  
Stress Tolerance ◽  
Drought Stress Tolerance

scholarly journals A Central Role of Abscisic Acid in Drought Stress Protection of Agrobacterium-Induced Tumors on Arabidopsis

2007 ◽  
Vol 145 (3) ◽  
pp. 853-862 ◽  
Author(s):  
Marina Efetova ◽  
Jürgen Zeier ◽  
Markus Riederer ◽  
Chil-Woo Lee ◽  
Nadja Stingl ◽  
...  
Keyword(s):  
Abscisic Acid ◽  
Drought Stress ◽  
Stress Protection ◽  
Induced Tumors
Sign in / Sign up

Export Citation Format

Share Document