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Studies on the Physiological Nature of Sweet-Potato Plants : (IV) On the Variations of Nitrogen Compounds in the Seed Tubers during the Hot-Bed Nursery Period

机译:甜 - 马铃薯植物的生理性质研究:(iv)热床苗圃期间种子块茎中氮化合物变化的研究

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In order to obtain some informations on the behavior of translocation and storage of nitrogen compounds in the seed tuber of sweet potatoes during the hot-bed nursery period, the present investigation was undertaken with the variety "Gokoku" as material. The experimental results obtained may be summarized as follows: 1. At the sprouting stage of the seed tubers, the protein-N contents fluctuated slightly, while the soluble-N contents increased considerably; and consequently the total-N contents became larger as compared with those at the time of imbedding. 2. Being accompanied with the deveolpment of sprout, both the protein and sluble-N contents decreased remarkably, which in turn caused a rapid falling of the total-N contents in the seed tuber. 3. In the later stages of growth in the hot-bed nursery, both the protein-and soluble-N contents increased steeply and the total-N contents rose consequently.
机译:为了在热水床幼儿园期间获得甘薯种子块茎转位和储存氮化合物的行为的一些信息,本研究与各种“悟空”作为材料进行。所获得的实验结果可以概括如下:1。在种子块茎的发芽阶段,蛋白质-N含量略微波动,而可溶性-N含量显着增加;因此,与嵌入时的那些相比,总共的总体内容变得更大。 2.伴随着萌芽的脱水,蛋白质和脱脂蛋白含量显着降低,这反过来导致种子块茎中的总-N含量快速下降。 3.在热水床苗圃的后期增长的阶段,蛋白质和可溶性-N含量急剧增加,并且总共含量升高。

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