Foliar Application Effects of Zinc Oxide Nanoparticles on Growth, Yield and Drought Tolerance of Soybean

Bangladesh Agronomy Journal Pub Date : 2023-05-07 DOI:10.3329/baj.v25i2.65940

DB Dola, Mannan Ma

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Abstract

In modern agriculture, the application of nano fertilizers is increasing the productivity and stability of different crops by reducing the destructive effects of abiotic stresses. The nano particles are significant for their particle shape, potential reactivity, tunable pore size and high surface area. A pot experiment was conducted at the Department of Agronomy, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur during Rabi season (December 2020 to March 2021) to evaluate the effects of foliar spray of nano zinc (ZnO) in varying doses (0, 100 and 200 ppm) on growth, dry matter accumulation and yield of soybean under drought (40% of field capacity, FC) and control (80% of FC) conditions. The trial was conducted in a completely randomized design (CRD) with three replications. Plant height; fresh and dry weight of leaf, stem and whole plant; number of pods per plant; number of seeds pod-1; 100-seed weight and seed yield of soybean were suppressed due to drought stress. Under both drought and control conditions, the foliar application of nano zinc substantially improved the growth, dry matter accumulation and yield of soybean. In drought condition, the foliar spray of 200 ppm nano zinc solution increased plant height, total fresh and dry weight by 21.69, 34.23 and 76.03%, respectively. In drought conditions, nano Zn particles at 100 and 200 ppm increased seed yield by 26.79 and 63.50%, and in control conditions by 13.07 and 23.56%, respectively. As such the results indicated that foliar application of nano zinc oxide improved growth, yield and drought tolerance of soybean. Bangladesh Agron. J. 2022, 25(2): 73-82

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纳米氧化锌叶面施用对大豆生长、产量及抗旱性的影响

在现代农业中，纳米肥料的应用通过减少非生物胁迫的破坏性影响来提高不同作物的生产力和稳定性。纳米颗粒具有显著的颗粒形状，潜在的反应性，可调节的孔径和高表面积。本研究于Rabi季(2020年12月至2021年3月)在加济布尔邦班班杜谢赫·穆吉布·拉赫曼农业大学农学系进行盆栽试验，评估不同剂量(0、100和200 ppm)纳米锌叶面喷施(ZnO)对干旱(40%田间容量)和对照(80%田间容量)条件下大豆生长、干物质积累和产量的影响。试验采用完全随机设计(CRD)，重复3次。株高;叶片、茎和整株的鲜重和干重;每株豆荚数;种子数pod-1;干旱胁迫抑制了大豆百粒重和籽粒产量。在干旱和对照条件下，叶面施用纳米锌对大豆生长、干物质积累和产量均有显著促进作用。在干旱条件下，叶面喷施200 ppm纳米锌溶液可使植株高度、总鲜重和总干重分别提高21.69%、34.23%和76.03%。在干旱条件下，纳米锌浓度为100和200 ppm，籽粒产量分别提高26.79%和63.50%，在对照条件下分别提高13.7%和23.56%。结果表明，叶面施用纳米氧化锌能提高大豆的生长、产量和抗旱性。孟加拉国阿格龙。[j] .科学通报，2014,25 (2):73-82

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来源期刊

Bangladesh Agronomy Journal

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审稿时长

10 weeks