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Öğe Application of Nanoparticles for Improving Abiotic Stress Tolerance in Cotton(Apple Academic Press, 2025-02-21) Muhammad Ikram; Muhammad Faizan Khurram Maqsood; Abdul Rauf; Maryam Tahira; Maria Batool; Imran Khan; Asif Minhas; Jamila Dirbas; Muhammad Aamir Iqbal; Mohammad Sohidul Islam; Subhan Danish; Cetin Karademir; Emine Karademir; Rukiye Kiliç; Ayman El SabaghIn developing countries, major parts of the population are associated with agriculture for their livelihood and require innovative tools to address the problems of modern crop production. Because of its economic significance, cotton is one of the most important cash crops, commonly called “white gold.” However, its production is seriously threatened due to major abiotic adversaries such as temperature, drought, light, salt, nutrients, flooding, heavy metal pollution, and complex stresses such as harsh environments, saline-alkali soils, and coastal wetland environments. The negative impacts of abiotic stresses on plant growth and development result in lower lint output and financial losses. Nanotechnology is one of the most recent technologies developed to enable crop plants to survive and thrive under environmental stresses. The nanotechnology-based approaches can boost cotton production by minimizing the deleterious effects of abiotic stresses. Nanoparticles (NPs) can improve plant stress tolerance, crop quality and yield, and mitigate nutrient deficiencies. These benefits offered by NPs can be achieved through managing plant diseases, increasing chlorophyll content, and enhancing photosynthetic efficiency. Recent interest has developed in applying nano-pesticides, nano-herbicides, and nano-fertilizers as promising plant productivity enhancement technologies. Herein, recent advances have been synthesized on the negative consequences of NPs on the environment, human health, and the food chain, as well as their favorable effects on sustainable agriculture. Moreover, NPs’ uses for enhancing cotton productivity by averting the negative impacts of abiotic stresses have been objectively evaluated.Öğe Biochar in conjunction with reduced doses of mineral fertilizers increased yield attributes and yield of rice (cv. BRRI dhan29)(Pakistan Journal of Botany, 2024-08-30) Md. Rayhanul Hoque; S.M Rahman; S.A. Ruba; J. Ferdous; Kamrunahar K.V.; Md. Rafiqul Islam; Zeki Erden; Muhammad Aamir Iqbal; Walid Soufan; Samer Abo Dawaba; Mohammad Sohidul IslamRecently, biochar (BC) applied in optimized quantities has emerged as an effective organic amendment for improving the physico-chemical features of the soil along with boosting the yield attributes of cereals. In the research field of Hajee Mohammad Danesh Science and Technology University (HSTU), Dinajpur a field experiment was directed to assess the impact of BC implication united with reduced doses of recommended chemical fertilizers (RDF including N, P, K and S) on the growth and yield of rice (cv. BRRI dhan29). It was comprised of five treatments viz. T1= Recommended doses of RDF, T2 = BC 10 t ha-1, T3 = BC 10 t ha-1 + half RDF, T4= Biochar 7.5 t ha-1 + half RDF and T5 = BC 5 t ha-1 + half RDF. The experimental design was the regular arrangement of Randomized Complete Block Design (RCBD) along with four replications. The T1 treatment recorded the maximum plant height (103.00 cm) and the number of tillers hill-1 (26.10) which remained statistically identical to T3. Likewise, T3 out performed rest of regimes by recording the highest values of panicle length (24.89 cm), grains number panicle-1 (195.40), filled grains number panicles-1 (191.10), and 1000-grain weight (25.53 g). Moreover, the same treatment recorded for grain yield (7.82 tha-1) and straw yield (8.76 t ha-1) which was statistically at par to T1 (7.46 and 8.72 t ha-1, respectively). Furthermore, T3 also remained superior as for as biological yield (16.58 t ha-1) of rice was concerned. The outcomes of this trial reveal that BC (10 t ha-1) application have potential to reduce CF dose up to 50% for improving the yield attributes and grain output of rice. (cv. BRRI dhan29).Öğe Citric Acid Alleviated Salt Stress by Modulating Photosynthetic Pigments, Plant Water Status, Yield and Nutritional Quality of Black gram [Vigna mungo (L.) Hepper](Agricultural Research Communication Center, 2024-08-09) Md. Aktaru Hossain; Mst. Smrity Khatun; Mottaleb Hosen; Zakariya Ibne Sayed; Md. Rafiqul Islam; Md. Kaium Chowdhury; Muhammad Aamir Iqbal; Ibrahim Al-Ashkar; Zeki Erden; Cagdas Can Toprak; Ayman El Sabagh; Mohammad Sohidul IslamBackground: Salt stress (SS) has seriously threatened the productivity of pulses including black gram in modern input-intensive farming systems which necessitates finding biologically viable, pro-farmer and environmentally friendly SS ameliorating strategies. Methods: An experiment was conducted to assess three levels of both SS (0, 50 and 100 mM NaCl) and citric acid (CA, 0, 50 and 100 mu M) applied as a foliar spray to ameliorate the deleterious effects of SS on black gram (cv. BARI Mash-3). The response variables included plant growth traits like plant height (PH), leaf number (BLPP) and root dry weight (RDW) along with chlorophyll contents (chl a, chl b and tchl), plant water status (relative water content RWC and water retention capacity WRC), grain yield (GY), stover yield (SY), biological yield (BY)) and harvest index (HI) along with nitrogen (N) and protein (P) content of black gram. Result: The results revealed that CA (100 mu M) remained unmatched by increasing PH (76.25%), NLPP (37.52%), RDW (83.67%), Chl a (17.80%), Chl b (11.59%), tChl (15.51%), RWC (9.81%) and WRC (26.64%) under highest level of induced SS. The same treatment also surpassed the rest of the doses in terms of grains number per pod (23.89%), 100 grains weight (59.74%), GY (82.86%), SY (59.66%), BY (64.94%) and HI. Moreover, CA accumulated N and P content (29.9%) in the grain under SS conditions. These results indicated that application CA alleviated the adverse effects of SS by triggering the growth, yield and nutritional quality which might be developed as a potent strategy to cope with the declining productivity of black gram in saline environment.Öğe Nano-Silicon-Mediated Abiotic Stress Resistance in Plants: Mechanisms of Stress Mitigation(Apple Academic Press, 2025-02-21) Dinoo Gunasekera; Disna Ratnasekera; Basharat Ali; Mohammad Sohidul Islam; Uzma Younis; Sharif Ahmed; Semih Açikbaş; Nizamettin Turan; Seyithan Seydoşoğlu; Ayman El SabaghSilicon (Si) is considered as the second most prevalent element in the Earth’s crust, having functional involvements in ionic homeostasis, water status, photosynthetic pathways, and other physiological processes. Silicon-mediated beneficial effects on plants have been elucidated against biotic and abiotic stresses. Silicon fertilization has been shown to be a significant remedial measure to enhance the growth and yield of many crop plants under stressful environments. Silicon-mediated stress alleviation comprises vital regulatory mechanisms, including prevention from oxidative damage caused by reactive oxygen species (ROS), osmotic balance, nutrient management, and tolerance to pests and diseases in many plant species. The mechanisms related to mitigating stresses by Si supplementation are associated with the activation of enzymatic and non-enzymatic antioxidants. Such stress-mitigating processes significantly vary with crop species, soil characteristics, and plant and environmental interactions. In addition, the molecular mechanisms of Si involvement and the expression of related genes associated with Si-mediated stress mitigation need to be explored for better understanding. Thus, our attempt in this chapter is to explain the role of Si and nano-silicon (SiNP) in ameliorating biotic and abiotic stresses and their underlying mechanisms.Öğe Utilization of Nanomaterials in Agriculture and Categorizing Review Studies on the Subject(Apple Academic Press, 2025-02-21) Ali Ihsan Kaya; Mehmet Firat Baran; Karthika Rajendran; Mohammad Sohidul Islam; Ayman El SabaghDue to its vast potential, nanotechnology can be utilized in a variety of ways within agriculture. Nanotechnology applications include not only agricultural applications such as nanofertilizers and nanopesticides, but also fields such as environmental pollution reduction, water resource cleaning, and so on. The world’s growing population necessitates an increase in agricultural productivity, which leads to the incorporation of nanotechnology-based applications into agricultural processes. The nanotechnology applications in agriculture such as plant fertilization and protection, food quality, and so forth, have enormous potential. However, the dangers it poses to humans and the environment are among the issues that must be addressed. Despite some of its negative effects, literature studies agree that the use of nanotechnology in agriculture is unavoidable, and represents a new agricultural revolution. In the view of predictions that nanotechnology will inevitably be incorporated in agricultural operations, it is vital that governments immediately enact legislative laws and prohibitions in this field to protect the environment and human health. This comprehensive study examines the applications of nanotechnology in agriculture under four subheadings, in regard to its limitations and future potential. In addition, review articles on nanotechnology published after 2010 were classified by their agricultural applications.Öğe Wheat genotypes respond differently under polyethylene glycol (PEG) induced drought stress during germination and early seedling growth stages(Pakistan Journal of Botany, 2024-08-01) Mst Masuma Akhter; M.A. Hasan; M.M. Bahadur; M.R. Islam; Muhammad Aamir Iqbal; Walid Soufan; Khandakar Aurib; Tanjila Akhter; Sipan Soysal; Ayman Elsabagh; Elsabagh Heniesh; Mohammad Sohidul IslamWater scarcity has emerged as one of a critical environmental constriction that negatively affect wheat growth, development and yield in Bangladesh. Identification of drought tolerant genotypes is crucial at drought sensitive initial stages of plant growth especially germination and seedling growth stages. To cater this issue, 30 wheat genotypes were subjected to polyehelene glycol (PEG 6000) induced drought stress levels of 0,-2.0 and-4.0 Mpa (osmotic stresses) and their response was tested at the germination and seedling growth stages. The experimental set up was Completely Ramdomized Design (CRD) with five replications. The results revealed that the rate of germination (RG) among the genotypes varied significantly with the different water potential levels, and the RG decreased with the advancement of stress. The stress tolerance index (STI) values based on RG were > 0.900 in wheat cultivars of Shatabdi, BARI Gom 25, BAW 1118, BAW 1151, BAW 1161, E 2, E 18, E 30, E 34 and E 38under severe water deficit stress, while the values were < 0.800 in wheat genotypes BARI Gom 26, BARI Gom 27, BARI Gom 28, BAW 1130, BAW 1140, BAW 1143, BAW 1168, E 28 and E 42. The co-efficient of germination (COG) was significantly decreased with increasing water potential stresses (-2 &-4 bars), and the genotypes Sourav, BARI Gom 25, BAW 1118, BAW 1135, BAW 1151, BAW 1157, BAW 1161, BAW 1163, BAW 1170, BAW 1171, E 2, E 18, E 23, E 29, E 34 and E 38showed > 0.980 STI values whereas, BARI Gom 26, BARI Gom 27, E 24, E 28, E 42, BAW 1130, BAW 1140 and BAW 1168 produced < 0.970 STI values under higher water potential. Higher STI values (> 0.920) regarding the germination vigour index (GVI) under higher water stress were observed in BARI Gom 25, E 18, E 23, E 34, E 38, BAW 1118, BAW 1161 and BAW 1170, and very lower STI values (< 0.800) were obtained in the Shatabdi, BARI Gom 26, BARI Gom 27, BAW 1130, BAW 1140, BAW 1168, E 3, E 24, E 28 and E 42 genotypes. The genotypes Shatabdi, BARI Gom 25, E 18, E 38, BAW 1118, BARI Gom 27, E 24, E 34, BAW 1143 and BAW 1170 showed higher STI values (> 0.550) indicating tolerant genotypes and the genotypes Sourav, BARI Gom 26, BARI Gom 28, BAW 1130, BAW 1151, BAW 1168, E 2, E 3, E 28 and E 29demonstrated lower STI values (< 0.450) designating susceptible genotypes. As water deficit stress increased, the shoot weight (g) of wheat genotypes decreased. Notably, genotypes Shatabdi, BARI Gom 25, E 18, E 34, E 38, and BAW 1118 exhibited Stress Tolerance Index (STI) values greater than 0.700. In contrast, genotypes BARI Gom 26, E 2, E 23, E 29, BAW 1130, BAW 1140, BAW 1151, BAW 1157, and BAW 1161 displayed STI values lower than 0.550. The genotypes showing higher and lower STI values denoted water stress tolerant and susceptible genotypes, respectively.
