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不同染色体倍性小麦分蘖期氮同位素组成的研究
Authors
刘卫国[2]
王 政[2]
王周锋[1,2]
邓西平[3]
Publication date
1 January 2011
Publisher
Abstract
研究不同染色体倍性小麦分蘖期氮同位素组成 ( 15N )的变化。 [方法 ] 以不同染色体倍性小麦及不同抗旱性小麦为试 验材料, 采用 EA D elta pluse质谱仪测定并研究了小麦叶片、根系和整株氮含量、 15N的变化。 [结果 ] 随着染色体倍性的增加 ( 2n 6n), 小麦整株 15N呈增加趋势, 整株 15N更能代表小麦生长过程中氮的分馏情况; 现代小麦整株 15N与其收获性状有关, 即高产小麦 的 1 5N较低。 [结论 ] 该研究可为选择高氮利用效率小麦提供理论依据
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Last time updated on 03/02/2019