Silicon improves seedling production of Moringa oleifera Lam. under saline stress

Carballo-Méndez, Fernando de Jesús; Olivares‐Sáenz, Emilio; Vazquez-Alvarado, Rigoberto Eustacio; Závala-García, Francisco; Benavides-Mendoza, Adalberto; Bolivar-Duarte, Manuela

doi:10.30848/pjb2022-3(37)

Cited by 3 publications

(3 citation statements)

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“…The positive effects of silicon on the plant growth may be due to the increment in antioxidant capacity Omar, 2020 and. Our results agree with Carballo-Méndez et al (2022) who suggested that silicon addition should be considered as an alternative to reduce the harmful effects of salinity in M. oleifera plants. Li et al (2015) concluded that addition of silicon in plants under salinity conditions, regulates the expression of aquaporins, which increased the root hydraulic conductivity and improved water absorption.…”

Section: Discussionsupporting

confidence: 91%

“…Hence, it is suggested to be used in agriculture (Imtiaz et al, 2016;Yan et al, 2018). In this respect, Carballo-Méndez et al (2022) revealed that salinity reduced emergence, growth, biomass and increased concentration of Na + in moringa plants. Meanwhile, Si addition resulted in increased growth of aerial part, biomass and reduced Na + concentration in leaves.…”

Section: Introductionmentioning

confidence: 99%

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Impact of Silicon and Endophytic Fungi Application for Plant Survival, Biomass and Chemical Compositions of Moringa oleifera Lam. Under Salinity Stress Conditions

Soliman

Mahmoud²,

Hussein³

et al. 2022

AJAS

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The newly reclaimed soils suffer from some stresses, especially salinity, whether in the soil or irrigation water that severely hinder the growth and production of some crops. A pot experiment was conducted during 2021 and 2022 seasons at Al-Marashda Research Station, Qena, ARC, Egypt to study the influence of silicon and endophytic fungi on germination percentage, survival seedlings rate, biomass and chemical traits of Moringa oleifera under salinity conditions. Pots were filled with sandy soil as substrate and arranged in completely randomized design, having nine treatments, including silicon and endophytic fungi together or alone with two levels of salinity. The two salinity levels were significantly affected the germination and survival percentages, biomass as well as chemical compositions of M. oleifera. However, addition of silicon at 100 mg/ l or endophytic fungus (Chaetomium globosum) at 100 ml, together or alone led to increase germination percentage and survival rate, biomass characters, N, P, K, and total chlorophyll in moringa leaves under saline conditions. The improvement was better with lower salinity level (3 dS m -1 ) compared to the higher one for the 1 st and 2 nd seasons. Application of both silicon and endophytic fungi led to better growth results compared to the individual treatments. Leaves of salt-treated plants without any additives contained high levels of Na + and Clcompared to those treated with saline reducers.

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Impact of Silicon and Endophytic Fungi Application for Plant Survival, Biomass and Chemical Compositions of Moringa oleifera Lam. Under Salinity Stress Conditions

Soliman

Mahmoud²,

Hussein³

et al. 2022

AJAS

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“…Ion accumulation reinforce the osmotic potential gradient, which may help plant to absorb water and prevent drastic effects of physiological drought posed by salinity. However, excessive up take of Na + and Cl − by roots inhibited the availability of K + (by Na r 2 = − 0.926,by Cl r 2 = − 0.997) and other essential minerals such as Ca 2+ , Mg 2+ , N, and P 86 – 88 . Interestingly, Na + increased drastically in all parts of the plant only at the onset of salinity, while further increase in salinity had no effect on Na + accumulation.…”

Section: Discussionmentioning

confidence: 99%

Salinity stress improves antioxidant potential by modulating physio-biochemical responses in Moringa oleifera Lam.

Azeem

Pirjan

Qasim

et al. 2023

Sci Rep

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Moringa oleifera Lam. is a common edible plant, famous for several nutritional and therapeutic benefits. This study investigates the salt -induced modulations in plant growth, physio-biochemical responses, and antioxidant performance of M. oleifera grown under 0, 50, and 100 mM NaCl concentrations. Results showed that the plant effectively managed moderate salinity (50 mM NaCl) by maintaining succulence, weight ratios, and biomass allocation patterns of both shoot and root with minimal reduction in dry biomass. However, high salinity (100 mM NaCl) remarkably declined all growth parameters. The plant accumulated more Na+ and Cl−, while less K+ under salinity as compared to the control. Consequently, osmotic potentials of both root and leaf decreased under salinity, which was corroborated by the high amount of proline and soluble sugars. Increased level of H2O2 with significantly unchanged membrane fluidity indicating its role in perceiving and managing stress at moderate salinity. In addition, increased activities of superoxide dismutase, and catalase, with increased glutathione and flavonoid contents suggest an integrated participation of both enzymatic and non-enzymatic antioxidant components in regulating ROS. On the other hand, high salinity caused an outburst of ROS indicated by high H2O2, MDA, and electrolyte leakage. As a response, moringa drastically increased the activities of all antioxidant enzymes and contents of antioxidant molecules including ascorbic acid, glutathione, total phenols, and flavonoids with high radical scavenging and reducing power capacities. However, a considerable amount of energy was used in such management resulting in a significant growth reduction at 100 mM NaCl. This study suggests that moringa effectively resisted moderate salinity by modulating physio-biochemical attributes and effectively managing ion toxicity and oxidative stress. Salt stress also enhanced the medicinal potentials of moringa by increasing the contents of antioxidant compounds including ascorbic acid, glutathione, total phenols, and flavonoids and their resulting activities. It can be grown on degraded/ saline lands and biomass of this plant can be used for edible and medicinal purposes, besides providing other benefits in a global climate change scenario.

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Chitosan Treatment Effectively Alleviates the Adverse Effects of Salinity in Moringa oleifera Lam via Enhancing Antioxidant System and Nutrient Homeostasis

2022

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Salt stress is a significant and common abiotic stress that negatively affects plant growth and development. Chitosan is a biodegradable and non-toxic stimulant of plant growth, which produces new routes to ameliorate the adverse effects of abiotic stresses. The possible profits of chitosan in salt stress alleviation have not been reported yet in Moringa oleifera, an important nutritional and medicinal tree. Therefore, the aim of the current study was to investigate the effect of chitosan treatment on salt-stressed moringa and its underlying physiological and biochemical mechanisms. Moringa plants were grown under 0, 25, 50 and 75 mM NaCl, while chitosan was applied at a 1% concentration as a foliar spray treatment. Growth attributes were considerably impaired, due to the salt stress treatment; however, chitosan application significantly reversed such an effect. Relative to the control, the fresh and dry weights of leaves were reduced by 51.44 and 48.74% in 75 mM-treated plants, while after chitosan treatment they were 33.61 and 35.72%, respectively. Additionally, chitosan treatment retarded chlorophyll and carotenoids reductions, enhanced the carbohydrate content, proline content, and phenol content and induced the activities of catalase, superoxide dismutase and ascorbate peroxidase in salt-stressed plants. Thus, chitosan application alleviated the oxidative injury, observed by lower malondialdehyde and H2O2 levels, thereby preserving membrane stability and improving antioxidant capacity and salt tolerance. In 50 mM NaCl-treated plants, chitosan treatment increased the activities of CAT, SOD and APX enzymes by 2.63, 2.74 and 2.31-fold relative to the control, respectively. Furthermore, chitosan application prevents the disturbance in ion homeostasis, and therefore not only enhanced the contents of N, P, K, Mg and Fe but also decreased Na content under salinity. Collectively, chitosan treatment overcame the adverse effects of salinity in moringa by activating the antioxidant machinery and preventing disturbance in ion homeostasis.

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Silicon improves seedling production of Moringa oleifera Lam. under saline stress

Cited by 3 publications

References 0 publications

Impact of Silicon and Endophytic Fungi Application for Plant Survival, Biomass and Chemical Compositions of Moringa oleifera Lam. Under Salinity Stress Conditions

Impact of Silicon and Endophytic Fungi Application for Plant Survival, Biomass and Chemical Compositions of Moringa oleifera Lam. Under Salinity Stress Conditions

Salinity stress improves antioxidant potential by modulating physio-biochemical responses in Moringa oleifera Lam.

Chitosan Treatment Effectively Alleviates the Adverse Effects of Salinity in Moringa oleifera Lam via Enhancing Antioxidant System and Nutrient Homeostasis

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