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大豆科学  2009 

大豆不同碳代谢产物含量变化研究

DOI: 10.11861/j.issn.1000-9841.2009.04.0656, PP. 656-658

Keywords: 大豆,可溶性糖,蔗糖,淀粉

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Abstract:

为明确不同碳代谢产物在大豆不同器官变化规律,在大田条件下,以三个栽培大豆品种为材料,测定不同生育时期不同器官可溶性糖、蔗糖、淀粉的含量。结果表明:随着生育进程推进,可溶性糖在茎秆、叶片、叶柄中及蔗糖在叶片、叶柄中含量呈“V”型变化,淀粉在茎杆中含量呈倒“V“型变化,R3期为转折点;可溶型糖在荚皮中含量及蔗糖在茎秆、荚皮中含量、淀粉在叶柄、荚皮含量呈逐渐升高趋势,叶片淀粉含量表现为升高-降低-升高趋势;不同品种大豆碳水化合物在植株体内变化规律相似。三种碳代谢产物含量在叶片中均表现为极显著正相关,而在茎秆中不同碳代谢产物含量相关性因品种而异。

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