Mycorrhizal colonization and silicon nutrition mitigates drought stress in Licorice (Glycyrrhiza glabra L.) with morphophysiological and biochemical perspectives

Haghighi, Tahereh Movahhed; Saharkhiz, Mohammad Jamal

doi:10.1016/j.indcrop.2022.114650

Cited by 12 publications

(5 citation statements)

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“…Under different biotic and abiotic stresses, peroxidation and electrolyte leakage are the major contributors to creating imbalances in the plant defense system (Talaat and Shawky, 2014 ; EshaghiGorgi et al, 2022 ; Haghighi and Saharkhiz, 2022 ). The application of mycorrhizae to study the level of peroxide content (μmol g −1 FW) and electrolyte leakage (%) on beetroot was recorded ( Supplementary Table 3 ).…”

Section: Resultsmentioning

confidence: 99%

Mycorrhizae set the stage for plants to produce a higher production of biomolecules and stress-related metabolites: a sustainable alternative of agrochemicals to enhance the quality and yield of beetroot (Beta vulgaris L.)

Yadav,

Kumar,

Jha

et al. 2023

Front. Microbiol.

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Population explosions, environmental deprivation, and industrial expansion led to an imbalanced agricultural system. Non-judicial uses of agrochemicals have decreased agrodiversity, degraded agroecosystems, and increased the cost of farming. In this scenario, a sustainable agriculture system could play a crucial role; however, it needs rigorous study to understand the biological interfaces within agroecosystems. Among the various biological components with respect to agriculture, mycorrhizae could be a potential candidate. Most agricultural crops are symbiotic with arbuscular mycorrhizal fungi (AMF). In this study, beetroot has been chose to study the effect of different AMFs on various parameters such as morphological traits, biochemical attributes, and gene expression analysis (ALDH7B4 and ALDH3I1). The AMF Gm-Funneliformis mosseae (Glomus mosseae), Acaulospora laevis, and GG-Gigaspora gigantean were taken as treatments to study the effect on the above-mentioned parameters in beetroot. We observed that among all the possible combinations of mycorrhizae, Gm+Al+GG performed best, and the Al-alone treatment was found to be a poor performer with respect to all the studied parameters. This study concluded that the more the combinations of mycorrhizae, the better the results will be. However, the phenomenon depends on the receptivity, infectivity, and past nutrient profile of the soil.

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Section: Resultsmentioning

confidence: 99%

Mycorrhizae set the stage for plants to produce a higher production of biomolecules and stress-related metabolites: a sustainable alternative of agrochemicals to enhance the quality and yield of beetroot (Beta vulgaris L.)

Yadav,

Kumar,

Jha

et al. 2023

Front. Microbiol.

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“…Results have revealed that sensitive genotypes has showed maximum leakages of electrons across membrane as compared to tolerance genotypes in both crops. The maintainance of proper amount of reactive oxygen species due to the active antioxidant defense in lants may help to maintain electrolyte leakages under oxidative damage [103,104]. However, electrolyte leakage was reduced under Si applications in both crops as highest reduction was observed when Si was applied at 4 mM as compared to 2 mM and 4 mM.…”

Section: Discussionmentioning

confidence: 99%

Foliar Application of Silicon Alleviates Adverse Effect of Drought Stress by improving Growth, Physiological attributes, and Antioxidant Defense of Camelina (Camelina sativa L.) and Canola (Brassica napus L.)

Shahzad¹,

Waraich²,

Saleem

et al. 2023

Preprint

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Purpose: Drought stress is a global phenomenon that poses harmful impacts on crop growth and development leading to yield losses in oilseed crops. Canola and camlina are highly sensitive to drought stress. The present study investigated the role of foliar-applied silicon to alleviate the harmful effect of drought stress in camelina and canola genotypes. Methods: Different concentrations of silicon (Si) foliar applications (NS= no spray, WS= water spray, Si-2= 2 mM Si, Si-4= 4 mM Si, Si-6= 6 mM Si) were used along with different levels of drought stress i.e., control (100% field-capacity) and drought stress (50% field-capacity), for two genotypes of camelina (611 and 618) and two canola genotypes (Super and Rachna). Results: Drought stress caused marked reductions in the growth of canola and camelina genotypes as compared with control-100% field capacity. Compared to control, drought stress decreased shoot length of canola and cameline by 25% and 28%, respectively. Physiological attributes were also decreased under drought stress as photosynthetic rate, relative water content (RWC), and chlorophyll content were decreased by 39, 38 and 42% in canola and 35, 45, and 39% in camelina, respectively, as compared to control. Drought stress was found to increase the oxidative damage in both crops. Foliar applications of Si improved the morpho-physiological and biochemical attributes in canola and camelina genotypes as compared to NS. Silicon applications at 4 mM upregulated the activities of catalase, superoxide dismutase, and peroxidase were increased by 16, 18, and 12% in canola and 17, 14, and 15% in camelina respectively, reducing the electrolyte leakage as compared to NS. Under drought stress, maximum improvements in plants performances were observed when Si was foliarly applied at 4 mM followed by 6 mM and 2 mM. Among the genotypes, canola genotype Rachna showed better performance as compared to Super, while camelina genotype 618 showed better performance as compared with 611. Conclusion: In crux, Si foliar application particularly at 4 mM improved the morpho-physiological and biochemical attributes in canola and camelina genotypes under drought-stressed conditions. The better growth and greater stress tolerance of Si-applied plants was attributed to maintaince of plant water status and photosynthetic pigments, lower oxidative damage, and higher activities of antioxidant enzymes under drought.

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“…A reduction in H 2 O 2 prompted a decrease in optical density at 240 nm. An absorbance change of 0.01 units per minute was regarded as one unit of CAT activity 21 .…”

Section: Methodsmentioning

confidence: 99%

“…It is argued that accumulating the higher concentrations of osmotic solutes and greater activity of antioxidant enzymes in plants can increase the plant's adaptability to stress conditions 18 . A large number of studies have focused on the higher activity of the antioxidant defense system which occurred under environmental stresses 17 , 19 – 21 . The metabolic disorders caused by the content of deteriorated moisture in the soil or disproportionate accumulation of Na + and Cl − in plants lead to salt stress 22 .…”

Section: Introductionmentioning

confidence: 99%

“…As a result, the content of enzymatic and non-enzymatic antioxidant and photosynthetic pigments is an important biochemical indicator for evaluating a plant's stress tolerance, despite the fact that only one study looked at the possible link and mechanism between the antioxidant defense system and the pigments content of stressed plants 24 . Statistical techniques such as principal component analysis (PCA), correlation coefficient, stepwise regression modelling, and path analysis are currently very useful in determining possible relationships between inter-correlated variables and understanding the possible morphophysiological and biochemical mechanisms of plant tolerance to salinity stress 1 , 18 , 21 , 23 .…”

Section: Introductionmentioning

confidence: 99%

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A comprehensive model for predicting the development of defense system of Capparis spinosa L.: a novel approach to assess the physiological indices

Afzali,

Sadeghi,

Taban

2023

Sci Rep

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Capparisspinosa L. (caper) is a halophytic plant that grows in semi-arid or arid environments. The current study used an integrated experimental and computational approach to investigate the network of inter-correlated effective variables on the activity of antioxidant enzymes, proline, and photosynthetic pigments in stressed caper. To investigate the possible relationships among intercorrelated variables and understand the possible mechanisms, predictive regression modelling, principal component analysis (PCA), Pearson's correlation, and path analysis were implemented. PCA successfully discerned different salt ratio- and drought-specific effects in data in the current study, and treatments with higher growth indices are easily recognizable. Different salt ratios did not have a significant effect on the activity of four antioxidant enzymes, proline and photosynthesis pigments content of caper. While at the mean level, the activity of four antioxidant enzymes of SOD, POD, CAT, and APX significantly increased under drought stress by 54.0%, 71.2%, 79.4%, and 117.6%, respectively, compared to 100% FC. The drought stress also significantly increased the content of carotemoid (29.3%) and proline (by 117.7%). Predictive equation models with highly significant R2 were developed for the estimation of antioxidant enzyme activity and proline content (> 0.94) as well as pigments (> 0.58) were developed. Path analysis studies revealed that proline is the most important regressor in four antioxidant enzyme activities, while leaf tissue density was the most effective variable in the case of chlorophylls. Furthermore, the network of intercorrelated variables demonstrated a close relationship between caper's antioxidant defence system, pigments, and morphological parameters under stress conditions. The findings of this study will be a useful guide to caper producers as well as plant ecophysiological researchers.

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Mycorrhizal colonization and silicon nutrition mitigates drought stress in Licorice (Glycyrrhiza glabra L.) with morphophysiological and biochemical perspectives

Cited by 12 publications

References 68 publications

Mycorrhizae set the stage for plants to produce a higher production of biomolecules and stress-related metabolites: a sustainable alternative of agrochemicals to enhance the quality and yield of beetroot (Beta vulgaris L.)

Mycorrhizae set the stage for plants to produce a higher production of biomolecules and stress-related metabolites: a sustainable alternative of agrochemicals to enhance the quality and yield of beetroot (Beta vulgaris L.)

Foliar Application of Silicon Alleviates Adverse Effect of Drought Stress by improving Growth, Physiological attributes, and Antioxidant Defense of Camelina (Camelina sativa L.) and Canola (Brassica napus L.)

A comprehensive model for predicting the development of defense system of Capparis spinosa L.: a novel approach to assess the physiological indices

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