Incorporation of ^<13>C into Carbohydrates and Translocation in Peanut Plant (Plant Nutrition)
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概要
- 論文の詳細を見る
To investigate the translocation form of photoassimilates in the peanut (Arachis hypogaea L.) plant, the plants were individually supplied with ^<13>CO_2 for 30 min. In the leaves, during the ^<13>CO_2 feeding period, fructose was most strongly labeled with ^<13>C, followed by glucose, whereas a small amount of ^<13>C was incorporated into sucrose. Within 1 d after the end of the ^<13>CO_2 feeding, the 13C abundances and ^<13>C amounts of fructose and glucose rapidly decreased within 120 min, but increased from 120 to 240 min, and markedly decreased afterwards, while those of sucrose remained constantly low. In the petioles and stems, during the 13C labeling period, the ^<13>C abundances and ^<13>C amounts of fructose and glucose were also remarkably higher than those of other sugars and after the end of the ^<13>CO_2 supply, they remained constantly higher than those of sucrose. In the leaves, a large quantity of ^<13>C was incorporated into starch during the ^<13>C labeling period and within 120 min after the end of the ^<13>CO_2 supply, and thereafter, rapidly metabolized. Similar results were observed for the petioles and stems. The above results indicate that the carbon currently fixed in the leaves is rapidly exported from the leaves to the petioles and stems and trans-located to other parts of the plant in the forms of fructose and glucose but not sucrose, in contrast to other crops in which sucrose is the major translocation form of photoassimilates.
- 社団法人日本土壌肥料学会の論文
著者
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Fukuoka Yuriko
Faculty Of Agriculture Kagoshima University
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Chishaki Naoya
Faculty of Agriculture, Kagoshima University
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Chishaki N
Faculty Of Agriculture Kagoshima University
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Chishaki Naoya
Faculty Of Agriculture Kagoshima University
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Inanaga S
Faculty Of Agriculture Kagoshima University
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ZHENG Wenjuan
Faculty of Agriculture, Kagoshima University
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INANAGA Shunji
Faculty of Agriculture, Kagoshima University
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Inanaga Shunji
Faculty Of Agriculture Kagoshima University
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Zheng Wenjuan
Faculty Of Agriculture Kagoshima University
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