小麦根茎叶氧热比值的三角图与产量的关系
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Relationship between yield and trigonometry figure including the ratios of oxygen to heat for wheet roots, stems and leaves
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    摘要:

    本文是采用示差热天平,对不同小麦品种三个生育期生长器官根茎叶的热谱图分析。分析结果揭示,小麦根茎叶氧热比值构成的三角形,其中一夹角的正切值与单株产量呈负相关,同一品种的平均活化能之和与最终产量呈正相关。从而提出这两个数值作为小麦育种新指标的可能性。此数值虽说本质含义未清,但是从小麦根茎叶的相互关系中,能显示出最终产量的高低,这就为定向培育和栽培提出了依据。这一指标的采用,不仅缩短了育种周期,而且扩大了“示差热天平”的应用范围。

    Abstract:

    Using differential balance, the thermalspectrogram of roots, stems andleaves in three stages of growth and development of wheet is analysed.The trigonometry figure composed of the ratios of oxygen to heat forwheet shows the relationshiop for wheet,it is found that a tangent valueof one angle is negotively related to yield per plant,and the sum of averageenergy for activation positively with ultimate yield.It is thought that it ispossible to use the two values as new criterions for wheet breeding.Althoughthe values cannot indicate substantial meaning,it could demonstrate theultimate state of yield from the relationship among root,stem and leavesof wheet,which provides basis for directional cultivation and breeding.The use of the criterions not only shorten the period to breed but alsoexpand the range for application of the"differential balance".

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马新民.小麦根茎叶氧热比值的三角图与产量的关系[J].水土保持通报,1989,(1):45-48

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  • 在线发布日期: 2014-12-01
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