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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2017.01.008
|2 doi
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|a pubmed24n0894.xml
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|a (PII)S0981-9428(17)30016-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Xiaochuang, Cao
|e verfasserin
|4 aut
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|a Glycine increases cold tolerance in rice via the regulation of N uptake, physiological characteristics, and photosynthesis
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 01.05.2017
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|a Date Revised 30.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier Masson SAS. All rights reserved.
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|a To investigate the response of rice growth and photosynthesis to different nitrogen (N) sources under cold stress, hydroponic cultivation of rice was done in greenhouse, with glycine, ammonium, and nitrate as the sole N sources. The results demonstrate that exposure to low temperature reduced the rice biomass and leaf chlorophyll content, but their values in the glycine-treated plants were significantly higher than in the ammonium- and nitrate-treated plants. This might be attributed to the higher N uptake rate and root area and activity in the glycine-treated plants. The glycine-treated plants also maintained high contents of soluble proteins, soluble sugars, and proline as well as enhanced antioxidant enzyme activities to protect themselves against chilling injury. Under cold stress, reduced stomatal conductance (gs) and effective quantum efficiency of PSII (ΦPSII) significantly inhibited the leaf photosynthesis; however, glycine treatment alleviated these effects compared to the ammonium and nitrate treatments. The high non-photochemical quenching (qN) and excess energy dissipative energy (Ex) in the glycine-treated plants were beneficial for the release of extra energy, thereby, strengthening their photochemical efficiency. We, therefore, conclude that the strengthened cold tolerance of glycine-treated rice plants was closely associated with the higher accumulation of dry matter and photosynthesis through the up-regulation of N-uptake, and increase in the content of osmoprotectants, activities of the antioxidant defense enzymes, and photochemical efficiency. The results of the present study provide new ideas for improving the plant tolerance to extreme temperatures by nutrient resource management in the cold regions
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|a Journal Article
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|a Amino acids
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|a Cold stress
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|a Nitrogen form
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|a Photosynthesis
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|a Physiological trait
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|a Rice
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|a Nitrogen Isotopes
|2 NLM
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|a Chlorophyll
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|a 1406-65-1
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|a Carotenoids
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|a 36-88-4
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|a Malondialdehyde
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|a 4Y8F71G49Q
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|a Catalase
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|a EC 1.11.1.6
|2 NLM
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|a Peroxidase
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|a EC 1.11.1.7
|2 NLM
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|a Superoxide Dismutase
|2 NLM
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|a EC 1.15.1.1
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Glycine
|2 NLM
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|a TE7660XO1C
|2 NLM
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| 700 |
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|a Chu, Zhong
|e verfasserin
|4 aut
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|a Lianfeng, Zhu
|e verfasserin
|4 aut
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|a Junhua, Zhang
|e verfasserin
|4 aut
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| 700 |
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|a Hussain, Sajid
|e verfasserin
|4 aut
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|a Lianghuan, Wu
|e verfasserin
|4 aut
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| 700 |
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|a Qianyu, Jin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 112(2017) vom: 01. März, Seite 251-260
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:112
|g year:2017
|g day:01
|g month:03
|g pages:251-260
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|u http://dx.doi.org/10.1016/j.plaphy.2017.01.008
|3 Volltext
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