Foliar Spraying with Compound Amino Acid-Iron Fertilizer Increases Leaf Fresh Weight, Photosynthesis, and Fe-S Cluster Gene Expression in Peach (Prunus persica (L.) Batsch)
文献类型： 外文期刊
作者： Sheng, Yuting 1 ; Cheng, Hao 1 ; Wang, Limin 1 ; Shen, Jingyuan 1 ; Tang, Meiling 5 ; Liang, Meixia 1 ; Zhang, Kai 1 ; Zh 1 ;
作者机构： 1.Ludong Univ, Coll Agr, Yantai 264025, Peoples R China
2.Ludong Univ, Key Lab Mol Module Based Breeding High Yield & Ab, Yantai 264025, Peoples R China
3.Fudan Univ, Inst Biodivers Sci, Minist Educ, Key Lab Biodivers & Ecol Engn, Shanghai 200433, Peoples R China
4.Hainan Key Lab Biosafety Monitoring & Mol Breedin, Haikou 570100, Hainan, Peoples R China
5.Yantai Acad Agr Sci, Yantai 264000, Peoples R China
6.Northeast Agr Univ, Sch Econ & Management, Harbin 150000, Peoples R China
7.Jiangsu Acad Agr Sci, Inst Pomol, Nanjing 210014, Peoples R China
期刊名称：BIOMED RESEARCH INTERNATIONAL （ 影响因子：3.411； 五年影响因子：3.62 ）
ISSN： 2314-6133
年卷期： 2020 年 2020 卷
页码：
收录情况： SCI
摘要： As one of the most important micronutrients, iron (Fe) plays a critical role in various metabolic processes during plant growth and development. However, the molecular mechanisms towards Fe metabolism and nutrition in fruit trees are largely unknown. In this study, we examined the effects of amino acid-Fe compound fertilizer spraying on leaf development in peach (Prunus persica (L.) Batsch) at different developmental stages. Foliar spraying with amino acid-Fe compound fertilizer did not cause any significant changes in leaf morphology but remarkably increased leaf fresh weights. Fe concentration, photosynthetic parameter, and Fe-S protein analyses revealed that Fe accumulation, total chlorophyll content, net photosynthetic rate (PN), and stomatal conductance (gs), as well as nitrite reductase (NIR) and succinate dehydrogenase (SDH) activities, were significantly higher in the leaves sprayed with amino acid-Fe compound fertilizer than in the control leaves sprayed with distilled water. Further quantitative real-time PCR (qRT-PCR) analyses demonstrated that Fe-S cluster biosynthesis genes were differentially expressed in the leaves at different developmental stages. Foliar spraying with amino acid-Fe compound fertilizer significantly increased the expression of the most tested Fe-S cluster biosynthesis genes. Our findings provide new insights into the understanding of effects of Fe fertilization application on leaf development in perennial woody fruit trees.
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