| 耐低钾玉米自交系灌浆至成熟期生理特性研究 |
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| 引用本文： | 王晓磊,于海秋,依兵,蒋春姬,王晓光,曹敏建.耐低钾玉米自交系灌浆至成熟期生理特性研究[J].华北农学报,2011,26(4):167-173. |
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| 作者姓名： | 王晓磊 于海秋 依兵 蒋春姬 王晓光 曹敏建 |
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| 作者单位： | 沈阳农业大学农学院,辽宁沈阳,110161 |
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| 基金项目： | 农田健康(2007T114) |
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| 摘 要： | 研究耐低钾玉米自交系灌浆至成熟期的生理特性,探讨其耐低钾的生理机制,为钾高效玉米育种提供理论依据.以多年筛选出的典型耐低钾玉米自交系90-21-3和典型不耐低钾玉米自交系D937为试材,在天然低钾土壤上进行田间试验,于灌浆至成熟期测定根系形态、叶片持绿性、各器官的钾素积累量、钾利用效率、产量及产量性状.与不耐低钾玉米自...
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| 关 键 词： | 耐低钾玉米自交系 根系形态 钾素吸收 持绿性 产量 |
Physiological Characteristics of Maize Inbred Lines Tolerant to Low Potassium from Filling Stage to Maturity |
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| WANG Xiao-lei,YU Hai-qiu,YI Bing,JIANG Chun-ji,WANG Xiao-guang,CAO Min-jian.Physiological Characteristics of Maize Inbred Lines Tolerant to Low Potassium from Filling Stage to Maturity[J].Acta Agriculturae Boreali-Sinica,2011,26(4):167-173. |
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| Authors: | WANG Xiao-lei YU Hai-qiu YI Bing JIANG Chun-ji WANG Xiao-guang CAO Min-jian |
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| Institution: | WANG Xiao-lei,YU Hai-qiu,YI Bing,JIANG Chun-ji,WANG Xiao-guang,CAO Min-jian(College of Agronomy,Shenyang Agricultural University,Shenyang 100161,China) |
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| Abstract: | Study by physiological characteristics of maize inbred lines tolerant to low potassium from filling stage to maturity,investigate the physiological mechanism of maize resistant to low potassium,in order to provide a theoretical basis for the efficient maize breeding;Typical maize inbred lines tolerant to K+ deficiency(90-21-3) and sensitive to K+ deficiency(D937) as materials,through direct seeding in natural potassium deficiency field,determined the root morphology,potassium of different organs,leaves stay... |
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| Keywords: | Tolerant to low potassium of maize inbred lines Morph ological parameter of root Potassium absorption Stay green Yield |
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