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首页> 外文期刊>日本作物學會紀事 >Analysis of Yield-Determining Process and Its Application to Yield-Prediction and Culture Improvement of Lowland Rice : XCI. On the relation between the percentage of the amount of diffused light to the total amount of sunlight and the light-curve of carbon assimilatlon in a rice plant population
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Analysis of Yield-Determining Process and Its Application to Yield-Prediction and Culture Improvement of Lowland Rice : XCI. On the relation between the percentage of the amount of diffused light to the total amount of sunlight and the light-curve of carbon assimilatlon in a rice plant population

机译：产量测定过程分析及其在低地米的产量预测和培养改善中的应用分析：XCI。关于水稻群中阳光总量与阳光总量的百分比与水稻群中碳含量的百分比关系

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Noticing the fact that even under natural light of equal horizontal intensity, the rate of carbon assimilation of a rice plant population was not always equal. The authours examined the relation between the percentage of the amount of diffused light to the total amount of sunlight and the light curve of carbon assimilation under natural conditions. 1) When the light-curves of carbon assimilation on various days differing in the percentage of the amount of diffused light to the total amount of sunlight (hereinafter written as %-D.L.) were compared with one another, there were clear differences amnog the curves. 2) Even if a rice plant population has received the light of the same intensity on horizontal surface, the rate of carbon assimilation in the population was increased as %- D.L. was increased. In general, the light-curve of carbon assimilation in high %-D.L. was always drawn higher than that in low %-D, L, 3) As a result of the investigation reported in this paper, the authors round that the variation in light-reveiving degree of individual leaf in a rice plant population was much larger under the condition of low %-D.L. than that under the condition of high %-D.L. the change in the rate of carbon assimilation caused by the change in %-D.L. might be ascribed to the range of variation in light-receiving degree of each leaf-in the plant population. 4) The effect of diffused light on the rate of carbon assimilation differed with the plant type : the effect was much larger in the plant population with straight and errect leaves than in that with curved and drooped leaves. The light-curve of crabon assimilation of a plant population seemed to be changed with light conditions, particularly the %-D.L., and plant types.
机译：注意到即使在平衡水平强度的自然光线下，水稻植物群的碳同化率并不总是相等的。 Authours在自然条件下审查了扩散光量与阳光总量的百分比与自然条件下碳同化的光曲线之间的关系。 1）当彼此比较散射光量的百分点对散射光量的百分比上的碳同化百分比时，彼此比较了阳光（下文中的总量）的百分比，曲线呈明显的差异。 2）即使水稻植物群体接受了水平表面相同强度的光，群体中的碳同化率也增加为％ - D.L.增加了。一般来说，高％-d.L中碳同化的光曲线。总是被绘制高于低％-D，L，3）由于调查报告了本文报道，作者在水稻植物群体中单个叶片的亮度程度的变化大得多低％-DL的条件比在高％-D.L的条件下。碳同化率的变化造成的变化造成的％-D.L。可能归因于每个叶子植物群的光接收程度的变化范围。 4）扩散光对碳同化速率的影响与植物类型不同：植物群中的效果比在弯曲和下垂的叶子中的叶子的植物群体大得多。植物种群的Crabon同化的光曲线似乎随着光的条件而改变，特别是％-D.L。和植物类型。

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