The Efficiency of Nanoparticles on Improving Seed Germination and Mitigating Ammonium Stress of Water Spinach (Ipomoea aquatica Forssk.) and Hami Melon (Cucumis melo L.)
文献类型： 外文期刊
作者： Wu, Tianhao 1 ; Zou, Ganghua 2 ; Lan, Xuecheng 2 ; Zhang, Guangxu 2 ; Shan, Ying 2 ; Liu, Beibei 2 ; Ding, Zheli 4 ; Nogueira, Thiago Assis Rodrigues 5 ; Nawaz, Muhammad 6 ; Zhao, Fengliang 2 ; Abideen, Zainul 7 ; He, Zhenli 8 ;
作者机构： 1.Guizhou Univ, Ctr R&D Fine Chem, Natl Key Lab Green Pesticide, Key Lab Green Pesticide & Agr Bioengn,Minist Educ, Guiyang 550025, Peoples R China
2.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Peoples R China
3.Heilongjiang Bayi Agr Univ, Coll Agr, Daqing 163319, Peoples R China
4.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou 571101, Peoples R China
5.Sao Paulo State Univ, Sch Agr & Veterinarian Sci, Dept Agr Sci, BR-14884900 Jaboticabal, SP, Brazil
6.Bahauddin Zakariya Univ, Dept Environm Sci, Multan 60801, Pakistan
7.Univ Karachi, Dr Muhammad Ajmal Khan Inst Sustainable Halophyte, Karachi 75270, Pakistan
8.Univ Florida, Inst Food & Agr Sci, Indian River Res & Educ Ctr, Dept Soil Water & Ecosyst Sci, Ft Pierce, FL 34945 USA
关键词： nanomaterials; seed germination; ammonium stress; enzymatic activity
期刊名称：SUSTAINABILITY （ 影响因子：3.9； 五年影响因子：4.0 ）
ISSN：
年卷期： 2023 年 15 卷 13 期
页码：
收录情况： SCI
摘要： Nitrogen, despite being essential for the growth of plants, can pose serious threats to the ecological environment when applied excessively as fertilizers. The application of nanomaterials has a catalytic effect on crop growth and a restorative effect on the environment. However, their effect on mitigating ammonium stress in crops is poorly understood. In the present study, the roles of nanoparticles of magnesium oxide (nMgO) and hydroxyapatite (nHA) with different application rates (0, 10, 100, 500, and 1000 mg L-1) on seed germination and seedling growth in water spinach (Ipomoea aquatica Forssk.) and Hami melon (Cucumis melo L.) were investigated, and the ammonium stress mitigating capacity of nanoparticles with the optimal application rate on the two crops was analyzed. The results showed that the application of nMgO and nHA at an optimal rate of 100 mg L-1 significantly promoted seed germination of water spinach, followed by the increase of germination potential, seed germination rate, and germination index, while alleviating the inhibitory effect of NH4+ stress in water spinach. As for the Hami melon, nHA reduced the ammonium stress on seedlings by promoting antioxidant enzyme activity, while nMgO was found to be involved in reducing the root growth of Hami melon seedlings. This study provided a reference on how to select the appropriate type and optimize the application method of nanomaterials that will be used in agriculture in the future.
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