The Role of Fe-Graphitic Carbon Nitride in Improving the Oil Profile, Flowering and Biochemical Attributes in the "Shengeh" Olive Under Drought Stress.

IF 5.4 2区 生物学 Q1 PLANT SCIENCES
Rahmatollah Gholami, Narjes Fahadi Hoveizeh, Seyed Morteza Zahedi, Nadire Pelin Bahadirli, Mohsen Padervand, Petronia Carillo
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Abstract

To evaluate the effect of foliar-applied metal-nanostructures on alleviating the drought stress effects in olive trees, this study investigates the impact of Fe-carbon nitride nanostructures on flowering, oil profile, and some biochemical markers of olive trees grown under different irrigation regimes. The results indicated that drought decreased inflorescence number per branch by 45%, flower number per inflorescence by 9%, perfect and imperfect flower number per inflorescence by 16% and 7%, respectively, inflorescence length by 73%, fruit number per branch by 49%, and perfect flower number per branch by 54%. Whereas, the flowering parameters improved with Fe2O3/g-C3N4 treatment. Spraying treatments had a significant effect on fatty acid composition, whereas irrigation level and their interaction were not statistically significant. The Fe2O3/g-C3N4 treatment increased the concentrations of all investigated fatty acids. In contrast, irrigation regimes led to a decrease in C16:0, C18:0, C18:2, C18:3, and C20:0, while increasing C16:1 and C18:1. Nevertheless, the Fe2O3/g-C3N4 × 100%ET treatment numerically increased C18:0 and C18:2; whereas the Fe2O3/g-C3N4 × 75%ET treatment resulted in higher levels of C16:0, C16:1, C18:1, and C18:3. Drought stress caused a decrease of total chlorophylls by 62%, carotenoid by 96%, total flavonoid by 50%, and antioxidant capacity by 55%, while enhancing the phenol content by 115%. On the contrary, the use of Fe2O3/g-C3N4 increased total chlorophylls by 163%, phenol content by 148%, and antioxidant capacity by 34% as compared to the control. According to this research, the use of carbon nanostructure could represent a promising and cost-effective strategy to increase the olive tree tolerance to water deficit.

干旱胁迫下铁-石墨-氮化碳对“盛革”橄榄油质、开花及生化特性的改善作用
为了评价金属纳米结构在缓解橄榄树干旱胁迫效应中的作用,本研究研究了氮化铁碳纳米结构对不同灌溉制度下橄榄树开花、油质分布和一些生化指标的影响。结果表明,干旱使单枝花序数减少45%,单枝花数减少9%,单枝完全花数和不完全花数分别减少16%和7%,花序长度减少73%,单枝果数减少49%,单枝完全花数减少54%。Fe2O3/g-C3N4处理提高了开花参数。喷施处理对脂肪酸组成有显著影响,而灌溉水平及其交互作用无统计学意义。Fe2O3/g-C3N4处理增加了所有研究脂肪酸的浓度。相反,灌溉方式导致C16:0、C18:0、C18:2、C18:3和C20:0减少,而C16:1和C18:1增加。然而,Fe2O3/g-C3N4 × 100%ET处理在数值上提高了C18:0和C18:2;而Fe2O3/g-C3N4 × 75%ET处理导致C16:0、C16:1、C18:1和C18:3的水平更高。干旱胁迫导致总叶绿素降低62%,类胡萝卜素降低96%,总黄酮降低50%,抗氧化能力降低55%,酚含量提高115%。与对照相比,Fe2O3/g-C3N4处理使总叶绿素含量提高163%,酚含量提高148%,抗氧化能力提高34%。根据本研究,碳纳米结构的使用可能是提高橄榄树对水分亏缺耐受性的一种有前途和经济效益的策略。
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来源期刊
Physiologia plantarum
Physiologia plantarum 生物-植物科学
CiteScore
11.00
自引率
3.10%
发文量
224
审稿时长
3.9 months
期刊介绍: Physiologia Plantarum is an international journal committed to publishing the best full-length original research papers that advance our understanding of primary mechanisms of plant development, growth and productivity as well as plant interactions with the biotic and abiotic environment. All organisational levels of experimental plant biology – from molecular and cell biology, biochemistry and biophysics to ecophysiology and global change biology – fall within the scope of the journal. The content is distributed between 5 main subject areas supervised by Subject Editors specialised in the respective domain: (1) biochemistry and metabolism, (2) ecophysiology, stress and adaptation, (3) uptake, transport and assimilation, (4) development, growth and differentiation, (5) photobiology and photosynthesis.
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