数字农科院2.0

Mixed-Nitrogen Nutrition-Mediated Enhancement Of Drought T.olerance Of Rice Seedlings A ssociated With Photosynthesis, Hormone Balance And Carbohydrate Partitioning

文献类型： 外文期刊

作者： Wu, Lianghuan;Zhu, Chunquan;Zhong, Chu;Hussain, Sajid;Zhu, Lianfeng;Cao, Xiaochuang;Jin, Qianyu

作者机构：

关键词： Mixed-nitrogen; Photosynthesis; Carbon partitioning; Hormone balance; Water stress

期刊名称： PLANT GROWTH REGULATION

ISSN： 0167-6903

年卷期： 2018 年 84 卷 3 期

页码：

摘要： To investigate whether mixed-N (NO3 (-) + NH4 (+)) nutrition can enhance rice growth under water-deficit condition, a hydroponic experiment in which rice plants were supplied with different N forms (NO3 (-), NH4 (+) and mixed-N) was conducted, and the intrinsic mechanisms involved in photosynthesis, root-shoot carbon partitioning, and hormone signalling were investigated. Water stress was found to decrease rice biomass, leaf area, chlorophyll and Rubisco contents. However, mixed-N nutrition substantially alleviated these inhibitions compared with NO3 (-) nutrition alone. Mixed-N nutrition also maintained a higher electron transport rate, actual photochemical efficiency of PSII, and non-photochemical quenching, causing higher photosynthesis and photochemical efficiency. Water stress up-regulated leaf sucrose-phosphate synthase (SPS), but down-regulated acid invertase (InvA). However, leaf InvA and root sucrose synthase in the cleavage direction (SSc) in NO3 (-) nutrition was higher than that in mixed-N nutrition. Water stress decreased indole acetic acid (IAA) content in leaves and cytokinins content in roots, but their contents in mixed-N nutrition were higher than those in NO3 (-) nutrition. In mixed-N nutrition, the up-regulation of SPS and IAA in leaves and the reduction of sucrose metabolism (SSc and InvA) in roots jointly resulted in the accumulation of sucrose in leaves and the inhibition of its transportation to roots, finally reducing the root:shoot ratio (R/S). The reduced R/S provides more photosynthates for shoots and increases the utilisation efficiency, thereby strengthening the water-deficit tolerance of plants. We concluded that the strengthened water-deficit tolerance in mixed-N-supplied rice was closely associated with higher accumulation of dry matter mainly via improvement of photosynthesis and photochemical efficiency, hormone balance, and coupling with root-shoot carbon partitioning.

分类号：

  • 相关文献

[1]Mixed-nitrogen nutrition-mediated enhancement of drought tolerance of rice seedlings associated with photosynthesis, hormone balance and carbohydrate partitioning. Xiaochuang Cao, Chunquan Zhu, Chu Zhong, Sajid Hussain, Lianfeng Zhu, Lianghuan Wu, Qianyu Jin. 2018

[2]Responses Of Water Use Efficiency To Drought In Southwest China. Zhao, JX, Xu, TR, Xiao, JF, Liu, SM, Mao, KB, Song, LS, Yao, YJ, He, XL, Feng, HZ. 2020

[3]A Cytosolic Protein Kinase Sty46 In Arabidopsis Thaliana Is Involved In Plant Growth And Abiotic Stress Response. Dong, SY, Zhang, FL, Beckles, DM. 2020

[4]Seed Germination Ecology Of Creeping M.annagrass (Glyceria Acutiflora) And R esponse To Post Herbicides. Xie, Yuan,Xie, Yuan,Tang, Wei,Lu, Yongliang,Chen, Jie. 2019

[5]Nitric Oxide Synthase-Mediated Early Nitric O.xide Burst Alleviates Water S tress-Induced Oxidative Damage In Ammonium-Supplied Rice Roots. Cao, Xiaochuang,Zhang, Junhua,Ma, Qingxu,Jin, Qianyu,Wu, Lianghuan,Zhu, Chunquan,Zhong, Chu. 2019

[6]Drought priming alleviated salinity stress and improved water use efficiency of wheat plants. Singha, Ashutus,Soothar, Rajesh Kumar,Wang, Chao,Marin, Elio Enrique Trujillo,Tankari, Moussa,Hao, Weiping,Wang, Yaosheng. 2021

[7]Early Detection Of Water Stress I.n Maize Based On D igital Images. Zhuang, S, Wang, P, Jiang, B, Li, MS, Gong, ZH. 2017

[8]Drought priming alleviated salinity stress and improved water use efficiency of wheat plants. Singha, Ashutus,Soothar, Rajesh Kumar,Wang, Chao,Marin, Elio Enrique Trujillo,Tankari, Moussa,Hao, Weiping,Wang, Yaosheng. 2022

[9]Physiological Response of Strawberry to Water Stress under Different Deficit Irrigations [不同灌溉模式下草莓对水分胁迫的生理响应研究]. Gao F.,Zheng R.,Guo J.,Li Y.,Dong S.,Shen Y.,Li X.. 2021

[10]Comparative Transcriptome Analysis Of Genes I.nvolved In The Response O f Resistant And Susceptible Peach Cultivars To Water Stress. Wang, Q, Cao, K, Zhu, GR, Fang, WC, Chen, CW, Wang, XW, Wang, LR. 2019

[11]Development Of Drought-Tolerant Transgenic Wheat: A.chievements And Limitations. Khan, S, Anwar, S, Yu, SB, Sun, M, Yang, ZP, Gao, ZQ. 2019

[12]Drought priming improved water status, photosynthesis and water productivity of cowpea during post-anthesis drought stress. Moussa Tankari,Chao Wang,Haiyang Ma,Xiangnan Li,Li Li,Rajesh Kumar Soothar,Ningbo Cui,Mainassara Zaman-Allah,Weiping Hao,Fulai Liu,Yaosheng Wang. 2021

[13]Proteins Involved In Energy Metabolism A.nd Oxidative Regulation Associated W ith Genotypic Variations In Drought Tolerance For Tall Fescue. Sun, JM, Liu, YM, Li, XL, Huang, BR. 2018

[14]Water Restriction Scenarios And Their E.ffects On Traits In P otato With Different Degrees Of Drought Tolerance. Li, X, Ramirez, DA, Qin, JH, Dormatey, R, Bi, ZZ, Sun, C, Wang, H, Bai, JP. 2019

[15]Assessment Of Unified Models For Estimating Potato Leaf Area Index Under Water Stress Conditions Across Ground-Based Hyperspectral Data. Luo, SJ, He, YB, Li, Q, Jiao, WH, Zhu, YQ, Yu, JK, Zhao, C, Xu, RY, Zhang, SL, Xu, F, Sun, J, Han, ZC, Li, C. 2020

[16]Ammonium Uptake And Metabolism Alleviate P.eg-Induced Water Stress In R ice Seedlings. Cao, XC, Zhong, C, Zhu, CQ, Zhu, LF, Zhang, JH, Wu, LH, Jin, QY. 2018

[17]A New Light On Photosystem I.i Maintenance In Oxygenic P hotosynthesis. Liu, Jun,Lu, Yan,Hua, Wei,Last, Robert L.,Last, Robert L.,Liu, Jun. 2019

[18]Chelators Induced Uptake Of Cadmium A.nd Modulation Of Water R elation, Antioxidants, And Photosynthetic Traits Of Maize. Anwar, Sumera,Anwar, Sumera,Anwar, Sumera,Anwar, Sumera,Khan, Shahbaz,Bashir, Rohina,Fahad, Shah,Hussain, Iqbal. 2019

[19]Proteomic Changes During Mcmv Infection Revealed By Itraq Quantitative Proteomic Analysis In Maize. Hu, Ya,Zhou, Xueping,Zhou, Xueping,Dang, Mingqing,Cheng, Qi,Qian, Yajuan,Wu, Jianxiang. 2020

[20]Formation And Change Of Chloroplast-Located P.lant Metabolites In Response T o Light Conditions. Zhou, Bo,Yang, Ziyin,Tang, Jinchi,Li, Jianlong,Chen, Yiyong,Tang, Hao. 2018

作者其他论文 更多>>