硼对小麦体内碳水化合物同化与运输的影响
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* 国家自然科学基金(批准号:40171057);黑龙江省自然科学基金与教委基金资助


EFFECT OF BORON ON CARBOHYDRATE ASSIMILATION AND TRANSLOCATION IN WHEAT
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    摘要:

    用溶液培养及14C标记等方法研究硼对小麦体内碳水化合物的同化与运输的影响。结果表明:(1)无硼(B0)和严重缺硼(B0.3)处理茎秆水溶性糖的含量高,不是由于缺硼而导致的糖分运输受阻,而是对雄蕊结构异常的一种适应,造成糖在茎秆的积累。(2)无硼影响小麦总糖的积累;营养生长阶段缺硼不影响总糖的积累,生殖生长阶段影响总糖的积累,主要表现为籽粒不能形成,糖的积累降低。

    Abstract:

    A solution culture experiment was conducted by using 14C labeled methods to investigate the effect of boron on carbohydrate assimilation and transformation in wheat.The results showed that the soluble sugar content in stems was higher in the treatments of boron-free and 0.3 mol L-1 B (B0.3) than in the treatments of 1 and 10 mol L-1 B (B1 and B10) because the abnormal developmental stamens caused an accumulation of soluble sugar in stems.However, the translocation of soluble sugar was not retarded in the treatments of boron-free and boron-deficiency.Boron-free affects the accumulation of total sugar in wheat, while boron-deficiency (B0.3) affects the accumulat ion of total sugar in only in the productive growth stage, resulted in the failure of grain set and decrease in accumulation of total.

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严红,李文雄,郭亚芬,刘大森.硼对小麦体内碳水化合物同化与运输的影响[J].土壤学报,2003,40(3):440-445. DOI:10.11766/trxb200109290318 Yan Hong, Li Wen-xiong, Guo Ya-fen, Liu Da-sen. EFFECT OF BORON ON CARBOHYDRATE ASSIMILATION AND TRANSLOCATION IN WHEAT[J]. Acta Pedologica Sinica,2003,40(3):440-445.

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  • 收稿日期:2001-09-29
  • 最后修改日期:2002-04-21
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  • 在线发布日期: 2013-02-25
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