Nutrient uptake and partitioning in rice plant under excessive Fe<sup>2+</sup> stress
Solution culture was carried out to study the uptake and partitioning of nutrients in rice plant under excessive Fe<sup>2+</sup> stress. The results indicated that excessive Fe<sup>2+</sup> stress reduced N, P and Mg absorption but enhanced Cu absorption. Fe<sup>2+</...
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| Language: | English |
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Zhejiang University Press
2003-05-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
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| Online Access: | https://www.academax.com/doi/10.3785/1008-9209.2003.03.0305 |
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| author | CAI Miao-zhen LUO An-cheng LIN Xian-yong ZHANG Yong-song |
| author_facet | CAI Miao-zhen LUO An-cheng LIN Xian-yong ZHANG Yong-song |
| author_sort | CAI Miao-zhen |
| collection | DOAJ |
| description | Solution culture was carried out to study the uptake and partitioning of nutrients in rice plant under excessive Fe<sup>2+</sup> stress. The results indicated that excessive Fe<sup>2+</sup> stress reduced N, P and Mg absorption but enhanced Cu absorption. Fe<sup>2+</sup> increased the absorption of Ca and Mn at 50 and 150 Fe<sup>2+</sup> mg/kg levels, whereas reduced their uptake at Fe<sup>2+</sup> levels higher than 150 mg/kg. The concentration of Fe, Cu and Zn in roots were higher than those in shoots. Excessive Fe<sup>2+</sup> stress inhibited translocation of nutrients, e. g. P, K, Ca and Mg, from roots to shoots, resulting in nutrient distribution imbalance between shoot and root, which, in turn, caused more sever iron toxicity. Iron toxicity of rice might be ascribed partially to the disturbance of nutrient distribution between shoots and roots brought about by the excessive Fe<sup>2+</sup> stress. |
| format | Article |
| id | doaj-art-e157a07b299a4b1b98cdba89eda3c6dc |
| institution | DOAJ |
| issn | 1008-9209 2097-5155 |
| language | English |
| publishDate | 2003-05-01 |
| publisher | Zhejiang University Press |
| record_format | Article |
| series | 浙江大学学报. 农业与生命科学版 |
| spelling | doaj-art-e157a07b299a4b1b98cdba89eda3c6dc2025-08-20T03:15:38ZengZhejiang University Press浙江大学学报. 农业与生命科学版1008-92092097-51552003-05-012930531010.3785/1008-9209.2003.03.030510089209Nutrient uptake and partitioning in rice plant under excessive Fe<sup>2+</sup> stressCAI Miao-zhenLUO An-chengLIN Xian-yongZHANG Yong-songSolution culture was carried out to study the uptake and partitioning of nutrients in rice plant under excessive Fe<sup>2+</sup> stress. The results indicated that excessive Fe<sup>2+</sup> stress reduced N, P and Mg absorption but enhanced Cu absorption. Fe<sup>2+</sup> increased the absorption of Ca and Mn at 50 and 150 Fe<sup>2+</sup> mg/kg levels, whereas reduced their uptake at Fe<sup>2+</sup> levels higher than 150 mg/kg. The concentration of Fe, Cu and Zn in roots were higher than those in shoots. Excessive Fe<sup>2+</sup> stress inhibited translocation of nutrients, e. g. P, K, Ca and Mg, from roots to shoots, resulting in nutrient distribution imbalance between shoot and root, which, in turn, caused more sever iron toxicity. Iron toxicity of rice might be ascribed partially to the disturbance of nutrient distribution between shoots and roots brought about by the excessive Fe<sup>2+</sup> stress.https://www.academax.com/doi/10.3785/1008-9209.2003.03.0305excessive Fe<sup>2+</sup>ricenutrient uptakenutrient partitioning |
| spellingShingle | CAI Miao-zhen LUO An-cheng LIN Xian-yong ZHANG Yong-song Nutrient uptake and partitioning in rice plant under excessive Fe<sup>2+</sup> stress 浙江大学学报. 农业与生命科学版 excessive Fe<sup>2+</sup> rice nutrient uptake nutrient partitioning |
| title | Nutrient uptake and partitioning in rice plant under excessive Fe<sup>2+</sup> stress |
| title_full | Nutrient uptake and partitioning in rice plant under excessive Fe<sup>2+</sup> stress |
| title_fullStr | Nutrient uptake and partitioning in rice plant under excessive Fe<sup>2+</sup> stress |
| title_full_unstemmed | Nutrient uptake and partitioning in rice plant under excessive Fe<sup>2+</sup> stress |
| title_short | Nutrient uptake and partitioning in rice plant under excessive Fe<sup>2+</sup> stress |
| title_sort | nutrient uptake and partitioning in rice plant under excessive fe sup 2 sup stress |
| topic | excessive Fe<sup>2+</sup> rice nutrient uptake nutrient partitioning |
| url | https://www.academax.com/doi/10.3785/1008-9209.2003.03.0305 |
| work_keys_str_mv | AT caimiaozhen nutrientuptakeandpartitioninginriceplantunderexcessivefesup2supstress AT luoancheng nutrientuptakeandpartitioninginriceplantunderexcessivefesup2supstress AT linxianyong nutrientuptakeandpartitioninginriceplantunderexcessivefesup2supstress AT zhangyongsong nutrientuptakeandpartitioninginriceplantunderexcessivefesup2supstress |