Boron Facilitates Rice Growth, Development, and Related Attributes Under Saline Soil Conditions

Uddin, Md. Rasel; Nuruzzaman, Mohammed; Briste, Preangka Saha; Islam, M. M.; Bhuiyan, Ashik Karim; Joy, Md. Istiak Hossain; Ahmed, Shakil; Khatun, Amena

doi:10.5586/aa.743

Cited by 5 publications

(3 citation statements)

References 43 publications

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“…Notably, the salt-sensitive rice cultivars (IR 29 and Dai om 8) were more affected than the salt-tolerant (OM 9577 and Pokkali) and moderately salt-tolerant (OC 10) rice cultivars. ese findings align with previous research studies (Ngoc et al, 2022) showing that salt stress reduces morphological parameters like root and shoot lengths in rice (Amirjani, 2011;Chang et al, 2019;Ngoc et al, 2022;Uddin et al, 2021). Consequently, it becomes essential to further explore the differences in salinity tolerance among the five rice varieties in terms of their physiological and biochemical characteristics.…”

Section: Discussionsupporting

confidence: 88%

Differential biochemical and metabolic responses of contrast rice cultivars (Oryza sativa L.) under salt stress

Duong,

Bui,

et al. 2023

Acta Agro

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More than half of the global population uses rice as the fundamental staple food; therefore, it is one of the most popular crops in the world. However, it is susceptible to salt stress, particularly among monocot crops, which reduces rice cultivation yield and threatens global food security. This research investigates the role of some factors, including amino acids, antioxidant enzymes, and sugars, in the response to the salinity stress of three contrasting rice cultivars, Dai Thom 8 (salt-sensitive), OC 10 (moderately salt-tolerant), and OM 9577 (salt-tolerant) in the seedling stage. The salt-tolerant varieties exhibited remarkable differences in physiological and biochemical traits, including enhancement of growth capacity, reduction of cell membrane damage via lowering lipid peroxidation, minimization of ROS generation, enhancement of free radical scavenging activity, and SOD, POD, and CAT enzyme activities. Additionally, the study analyzed the presence of 13 sugars using GC-MS and found that all three rice cultivars shared seven common sugars in similar quantities. However, OM 9577 had a higher content of the other six sugars compared to OC 10 and Dai Thom 8. It is one of the important biochemical factors responsible for the difference in the response mechanism to NaCl stress among rice varieties, specifically lyxofuranose (3.268%), a-D-xylopyranose (5.727%), mannopyranose (12.86%), α-D-glucopyranose (6.399%), ß-D-glucopyranose (5.509%), and D-arabinose (1.512%). Furthermore, the quantification of 20 amino acids through HPLC-DAD revealed that the salt-tolerant rice cultivars had higher concentrations of 11 amino acids than the salt-sensitive ones, including proline, isoleucine, serine, ornithine, histidine, glutamic acid, asparagine, alpha-alanine, aspartic acid, glutamine, and valine. These findings provide promising biochemical indicators for selecting salt-tolerant rice cultivars or improving existing varieties through traditional hybridization or gene transfer methods. Understanding these responses can significantly contribute to enhancing rice cultivation and ensuring food security in regions facing salinity challenges.

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Section: Discussionsupporting

confidence: 88%

Differential biochemical and metabolic responses of contrast rice cultivars (Oryza sativa L.) under salt stress

Duong,

Bui,

et al. 2023

Acta Agro

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“…Salinity reduces crop production whereas some micronutrients might be less available for most crop plants which can lead to a number of disorders and lower yield. Salinized soils not only adversely affect plant growth but also affect the development process primarily, by making water less available for uptake by plant roots, causing plant stress (Reza et al, 2014;Uddin et al, 2021). However, the effect of dissolved salts on plants depends on their concentration in water or soils.…”

Section: Introductionmentioning

confidence: 99%

FOLIAR APPLICATION OF MICRONUTRIENTS PROMOTES GROWTH AND YIELD-RELATED ATTRIBUTES OF OKRA (Abelmoschus esculentus L.) IN A SLIGHTLY SALINIZED AREA

Rahman,

Shila,

Hossen

et al. 2023

Trop Subtrop Agroecosyst

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Background: Micronutrients are required in trace amounts, but are importantly associated with plant growth and development. While soil salinity causes a frequent micronutrient deficiency in soil, the condition withholds plant growth, development, and eventually crop production. Since foliar application of micronutrient provides rapid nutrient absorption compared to soil amendments, it may confer straightforward mitigation of salinity stress. However, micronutrients availability to plants under saline conditions has drawn limited attention. Objective: To study the role of four micronutrients namely boron (B), zinc (Zn), chlorine (Cl), and silicon (Si) as well as their combinations as foliar application on growth, development, and yield responses of ‘okra cv. Nulok F1’ in a naturally very slightly salinized soil. Methodology: The research site belongs to Young Meghna Estuarine Flood Plain under the soil of Agro-ecological Zones (AEZ)-18. The area of EC dsm-1 2.39 is used for the cultivation of horticultural and cereal crops. The one-factor experiment was designed in a randomized complete block design with three replications and six treatments. The factor having six different micronutrients and their combinations under saline soil viz. T1 = control (untreated), T2 = 0.2 % B as solubor®, T3 = 0.2 % ZnSO4, T4 = 0.2 % KCl, T5 = 0.2% SiO2, and T6 = 0.2% solubor® B + 0.2% ZnSO4 + 0.2% SiO2 + 0.2% KCl. Result: A number of foliar treatments of micronutrients substantially improved plant height, stem diameter, leaf number, depth of root, fruit length, number of fruits, single fruit weight, yield plot-1, and total yield. Implication: Among the treatments, Si, and a mixture of solubor® B, Zn, Cl, and Si significantly uphold growth and yield-related attributes of okra indicating them as suitable micronutrients for okra production in salt-affected areas. Conclusion: The foliar application of Si and the mixtures of the four aforementioned micronutrients might enhance the growth and yield attributes of ‘okra cv. Nulok F1’ under salinity stress.

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“…It is estimated that approximately 20% of the irrigated land in the world is affected by salinity and is exclusively classified as arid and desert lands, comprising 25% of the total land of our planet (de la Torre-González et al, 2020;Wang et al, 2019). Soil salinity is a major constraint on food production because it limits crop yield and restricts the use of previously uncultivated land (Hernández, 2019;Li et al, 2018;Uddin et al, 2021). e growth and development of glycophytes are negatively affected, but halophytes tolerate high concentrations of inorganic salts (Abd El-Samad, Shaddad, & Ragaey, 2019;Helaly et al, 2017;Meng et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Effect of Zinc and Nickel Treatments on Improvement of the Osmotic Defense System of Wheat Plant Under Salinity Stress

El-Samad

Taha

2022

Acta Agro

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The present experiments were performed to determine the effects of Zn (20 µM and 200 µM) and Ni (1 µM and 100 µM) on the growth and metabolic activities in the roots, shoots, and spikes of wheat ( Triticum aestivum L.) cv. Gimiza 11 grown under different salinity conditions. In addition to identifying the osmotic tolerance of wheat, the roles of Zn and Ni in alleviating osmotic stress were examined. The root was the organ most sensitive to osmotic stress, whereas the shoot was the most resistant, and the spike was the intermediate. These three organs negatively responded to increasing osmotic stress levels, as fresh and dry matter decreased, and related biochemical parameters were adversely affected. However, fresh and dry matter were generally elevated when plants were supplemented with Zn or Ni under increasing osmotic stress. The sensitivity of roots was associated with depletion in the concentrations of sugars and free proline, whereas soluble protein and amino acid levels were increased. The stress tolerance of shoots and spikes was accompanied by an increase in soluble sugars, soluble proteins, and proline, while amino acid levels increased in spikes only. The Na + and K + content in wheat plants increased with increasing NaCl-induced osmotic stress levels. In turn, the accumulation and partitioning of Na + and K + did not vary among the three organs, both at different salt concentrations and between Zn or Ni treatments. Moreover, the present results show that the concentrations of anthocyanins, flavonoids, and l -ascorbic acid increased under exposure to osmotic stress and did not change significantly under Zn or Ni treatments.

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Boron Facilitates Rice Growth, Development, and Related Attributes Under Saline Soil Conditions

Cited by 5 publications

References 43 publications

Differential biochemical and metabolic responses of contrast rice cultivars (<i>Oryza sativa</i> L.) under salt stress

Differential biochemical and metabolic responses of contrast rice cultivars (<i>Oryza sativa</i> L.) under salt stress

FOLIAR APPLICATION OF MICRONUTRIENTS PROMOTES GROWTH AND YIELD-RELATED ATTRIBUTES OF OKRA (Abelmoschus esculentus L.) IN A SLIGHTLY SALINIZED AREA

Effect of Zinc and Nickel Treatments on Improvement of the Osmotic Defense System of Wheat Plant Under Salinity Stress

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