scholarly journals Green Synthesized Metal Oxide Nanoparticles Mediate Growth Regulation and Physiology of Crop Plants under Drought Stress

Plants ◽  
2021 ◽  
Vol 10 (8) ◽  
pp. 1730
Author(s):  
Nadiyah M. Alabdallah ◽  
Md. Mahadi Hasan ◽  
Inès Hammami ◽  
Azzah Ibrahim Alghamdi ◽  
Dikhnah Alshehri ◽  
...  
Keyword(s):  
Drought Stress ◽  
Plant Growth ◽  
Metal Oxide ◽  
Crop Production ◽  
Growth Regulation ◽  
Foliar Application ◽  
Metal Oxide Nanoparticles ◽  
Crop Productivity ◽  
Crop Plants ◽  
Oxide Nanoparticles

Metal oxide nanoparticles (MONPs) are regarded as critical tools for overcoming ongoing and prospective crop productivity challenges. MONPs with distinct physiochemical characteristics boost crop production and resistance to abiotic stresses such as drought. They have recently been used to improve plant growth, physiology, and yield of a variety of crops grown in drought-stressed settings. Additionally, they mitigate drought-induced reactive oxygen species (ROS) through the aggregation of osmolytes, which results in enhanced osmotic adaptation and crop water balance. These roles of MONPs are based on their physicochemical and biological features, foliar application method, and the applied MONPs concentrations. In this review, we focused on three important metal oxide nanoparticles that are widely used in agriculture: titanium dioxide (TiO2), zinc oxide (ZnO), and iron oxide (Fe3O4). The impacts of various MONPs forms, features, and dosages on plant growth and development under drought stress are summarized and discussed. Overall, this review will contribute to our present understanding of MONPs’ effects on plants in alleviating drought stress in crop plants.

scholarly journals Impact of metal oxide nanoparticles on cotton (Gossypium hirsutum L.): a physiological perspective

2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Ravinderdeep SINGH BRAR ◽  
Avneesh KUMAR ◽  
Simranjeet KAUR ◽  
Sandip SAHA ◽  
Anuj KUMAR ◽  
...  
Keyword(s):  
Plant Growth ◽  
Metal Oxide ◽  
Cotton Plant ◽  
Cotton Fiber ◽  
Metal Oxide Nanoparticles ◽  
Easy Access ◽  
Oxide Nanoparticles ◽  
Cotton Plants ◽  
Plant Growth Promoting ◽  
Growth Promoting

Abstract Cotton production substantiated a crucial part in the escalating economic development of many countries. To realize the increasing global demand for cotton, the emphasis should be laid on to improve cotton fiber growth and production. The bioengineered transgenic cotton proved expedient in resolving inadequacies of conventional cotton, but still required improvements to encounter heightened demand of textile industries. One possible solution pertaining to this has been provided by nanoscience in the form of metal or metal oxide nanoparticles. These metal oxide nanoparticles have easy access to the various parts of cotton plants through its transportation system, and thus significantly influence several parameters relative to the growth and production of cotton fiber. This review summarizes the distribution and accumulation of metal oxide nanoparticles in cotton plant and its impact on different plant growth-promoting factors, which resulted in the improved cotton yields. Graphical abstract Metal/metal-oxide nanoparticles have easy access to the various parts of cotton plant through its transportation system, and thus significantly influence its growth parameters, and hence the production of cotton fiber. This review summarizes the distribution and accumulation of metal oxide nanoparticles in cotton plants, and its impact on different plant growth promoting factors.

Interactions of metal-based nanoparticles (MBNPs) and metal-oxide nanoparticles (MONPs) with crop plants: a critical review of research progress and prospects

2020 ◽  
Vol 28 (3) ◽  
pp. 294-310 ◽  
Author(s):  
Weitao Liu ◽  
Aurang Zeb ◽  
Jiapan Lian ◽  
Jiani Wu ◽  
Hongxia Xiong ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Agricultural Soil ◽  
Biological Activities ◽  
Metal Oxide Nanoparticles ◽  
Research Priorities ◽  
Crop Plants ◽  
Engineered Nanoparticles ◽  
Research Progress ◽  
Future Research ◽  
Oxide Nanoparticles

Over the past decade, the production and applications of metal-based and metal-oxide nanoparticles (MBNPs and MONPs, respectively) have increased significantly due to their enhanced physicochemical properties and biological activities when compared with their bulk parent materials. Once MBNPs and MONPs enter agricultural soil via direct or indirect pathways, they can interact with crop plants and thus pose a threat to both animal and human health through food chain pathways. Although many review articles on engineered nanoparticles have been published, few have focused on the interactions of MBNPs and MONPs with crop plants and their current applications. Therefore, we reviewed the sources and behaviors of MBNPs and MONPs in agricultural soil, physiological and biochemical effects of MBNPs and MONPs on plants, uptake, translocation of MBNPs and MONPs in crop plants, factors affecting the interaction between MBNPs and MONPs and plants, and the applications of MBNPs and MONPs. Lastly, we propose where the future research priorities should be focused to provide a better understanding of MBNPs and MONPs. This review will help to promote scientific research regarding MBNPs and MONPs and to understand the risks and benefits of their association with plants and will contribute to the advancement of nanotechnology.

scholarly journals Foliar Application of Trehalose or 5-Aminolevulinic Acid Improves Photosynthesis and Biomass Production in Drought Stressed Alpinia zerumbet

Agriculture ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 908
Author(s):  
Faisal Zulfiqar ◽  
Jianjun Chen ◽  
Patrick M. Finnegan ◽  
Muhammad Nafees ◽  
Adnan Younis ◽  
...  
Keyword(s):  
Drought Stress ◽  
Plant Growth ◽  
Crop Production ◽  
Aminolevulinic Acid ◽  
Foliar Application ◽  
Field Capacity ◽  
Physiological Parameters ◽  
Sustainable Horticulture ◽  
Alpinia Zerumbet ◽  
Physiological And Biochemical

Alpinia zerumbet is an important medicinal and ornamental plant species. Drought stress is a major concern for sustainable horticulture crop production under changing climate scenarios. Trehalose (Tre) and 5-aminolevulinic acid (ALA) are osmoprotectants that play important roles in mitigating plant stresses. In this study, the effects of foliar application of 25 mM Tre or 10 mg L−1 ALA on biochemical and physiological parameters of A. zerumbet seedlings and their growth were evaluated under well-watered and drought-stressed (65% of field capacity) conditions. Drought caused reductions in physiological parameters and plant growth. These decreases were accompanied by increases in leaf free proline and glycine betaine concentrations and peroxidase activities. Foliar application of Tre or ALA remediated physiological and biochemical parameters and plant growth. Overall, foliar application of ALA or Tre proved to be beneficial for mitigating drought stress in A. zerumbet.

scholarly journals Biostimulant Properties of Seaweed Extracts in Plants: Implications towards Sustainable Crop Production

Plants ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 531
Author(s):  
Omar Ali ◽  
Adesh Ramsubhag ◽  
Jayaraj Jayaraman
Keyword(s):  
Plant Growth ◽  
Crop Production ◽  
Growth Regulation ◽  
Defense Responses ◽  
Crop Plants ◽  
Interactive Effects ◽  
Growth And Yield ◽  
Management Approach ◽  
Seaweed Extracts ◽  
Sustainable Crop Production

The use of seaweed-based bioproducts has been gaining momentum in crop production systems owing to their unique bioactive components and effects. They have phytostimulatory properties that result in increased plant growth and yield parameters in several important crop plants. They have phytoelicitor activity as their components evoke defense responses in plants that contribute to resistance to several pests, diseases, and abiotic stresses including drought, salinity, and cold. This is often linked to the upregulation of important defense-related genes and pathways in the plant system, priming the plant defenses against future attacks. They also evoke phytohormonal responses due to their specific components and interaction with plant growth regulation. Treatment by seaweed extracts and products also causes significant changes in the microbiome components of soil and plant in support of sustainable plant growth. Seaweed extracts contain a plethora of substances which are mostly organic, but trace levels of inorganic nutrient elements are also present. Fractionation of seaweed extracts into their components and their respective bioassays, however, has not yielded favorable growth effects. Only the whole seaweed extracts have been consistently proven to be very effective, which highlights the role of multiple components and their complex interactive effects on plant growth processes. Since seaweed extracts are highly organic, they are ideally suited for organic farming and environmentally sensitive crop production. They are also very compatible with other crop inputs, paving the way for an integrated management approach geared towards sustainability. The current review discusses the growth and functional effects evoked by seaweed extracts and their modes and mechanisms of action in crop plants which are responsible for elicitor and phytostimulatory activities. The review further analyses the potential value of seaweed extracts in integrated crop management systems towards sustainable crop production.

Effects of Different Metal Oxide Nanoparticles on Plant Growth

2021 ◽  
pp. 259-282
Author(s):  
Harris Panakkal ◽  
Indarchand Gupta ◽  
Rahul Bhagat ◽  
Avinash P. Ingle
Keyword(s):  
Plant Growth ◽  
Metal Oxide ◽  
Metal Oxide Nanoparticles ◽  
Oxide Nanoparticles
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