Potassium Nutrition Induced Salinity Mitigation in Mungbean [Vigna radiata (L.) Wilczek] by Altering Biomass and Physio-Biochemical Processes

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2024-05-24 DOI:10.3390/horticulturae10060549

M. Y. Shani, M. Ashraf, Ammara Khalid Butt, Shahid Abbas, Muhammad Nasif, Zafran Khan, Rosario Paolo Mauro, C. Cannata, Nimra Gul, Maria Ghaffar, Faiqa Amin

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Abstract

The present investigation was conducted to explore the role of potassium nutrition in improving biomass and physio-chemical alterations to reduce the adverse effects of salinity in mungbean. A sand-culture experiment was carried out under different salinity levels (0, 50, and 100 mM NaCl) with two levels of potassium (0 and 50 mM K2SO4) and two mungbean cultivars (NM-92 and Ramzan), and the alterations in mungbean biomass and metabolic activities were investigated. The results suggested that salinity significantly reduced the biomass, nitrate reductase activity (NRA), nitrite reductase activity (NiRA), total soluble proteins, chlorophyll a, chlorophyll b, total chlorophyll, nitrogen, potassium, calcium, magnesium, and phosphorous contents in both mungbean cultivars in comparison to the control. However, K2SO4 at 50 mM significantly improved all the parameters in both mungbean cultivars except for the sodium content. A significant increase in the total free amino acids, carotenoids, and sodium content in both mungbean cultivars was observed due to salt stress. Moreover, principal component analysis and heatmaps were developed individually for both mungbean cultivars to assess the variability and correlation among the studied attributes under all applied treatments. Under saline conditions, the mungbean ‘Ramzan’ showed more marked reductions in almost all the growth parameters as compared to ‘NM-92’. The results suggest that the application of K2SO4 ameliorates the adverse effects of salinity by regulating osmolyte production, NRA, and NiRA, thus promoting plant growth and productivity.

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钾营养通过改变生物量和生理生化过程诱导绿豆[Vigna radiata (L.) Wilczek]的盐度缓解作用

本研究旨在探讨钾营养在改善绿豆生物量和物理化学变化方面的作用，以减少盐度对绿豆的不利影响。在不同盐度水平（0、50 和 100 mM NaCl）、两种钾营养水平（0 和 50 mM K2SO4）、两种绿豆栽培品种（NM-92 和 Ramzan）条件下进行了沙培试验，研究了绿豆生物量和代谢活动的变化。结果表明，与对照相比，盐度明显降低了两个绿豆品种的生物量、硝酸还原酶活性（NRA）、亚硝酸还原酶活性（NiRA）、总可溶性蛋白质、叶绿素 a、叶绿素 b、总叶绿素、氮、钾、钙、镁和磷的含量。然而，除了钠含量外，50 毫摩尔的 K2SO4 能显著改善两种绿豆栽培品种的所有参数。盐胁迫导致两个绿豆品种的总游离氨基酸、类胡萝卜素和钠含量明显增加。此外，还对两个绿豆品种分别进行了主成分分析和热图分析，以评估在所有施用处理下所研究属性之间的变异性和相关性。在盐碱条件下，与 "NM-92 "相比，绿豆 "Ramzan "的几乎所有生长参数都出现了更明显的下降。结果表明，施用 K2SO4 可通过调节渗透溶质的产生、NRA 和 NiRA 来改善盐度的不利影响，从而促进植物生长和提高生产力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico