落花生の結実に関する生理学的研究 : 第1報結実圏に与えられたCa^<45>の結実部位別分布について

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While many studies concerning the necessity of calcium in the fruiting medium have been investigated, the detailed distribution of calcium in the varied region of the fruiting organ is little understood. The purpose of the present investigation was to secure information on the distribution of calcium in the fruiting organ when calcium salt was added to the fruiting medium of the peanut plant. Chiba No. 74 (runner type) were grown in sand culture with the root and fruit zones isolated from each other as shown in Fig. 1. The plants in the root and fruit zones were grown with a complete nutrient solution, while radioactive calcium was applied only in the fruiting zone at the rate of l mc. per 20 pound sand. The experimental results were as follows: 1. The accumulation of Ca^<45> in the various parts of the fruiting organ was given in Fig. 3. The gynophore contained less Ca^<45> than the other parts at the harvest time Ca^<45> was greatly decreased in the shell enlarging period (20〜30 days after they entered sand), though it was a little increased at the mature season. The pod contained more Ca^<45> than the gynophore and the shell absorbed the greatest value of Ca^<45> at the shell enlarging period on the other hand the Ca^<45> counts of the seed were increased during the seed mature :period on account of the movemens of Ca^<45> fronl the shell. 2. The relationship between the deposition of Ca^<45> in the peanut and its anatomical structure was presented in Fig. 4. In the autoradiograph of the gynophore, the radioelement of the part entering sand tended to concentrate in the hypodermis and the endodermis, while that of the top did in the endodermis and the pith (Fig. 4. A. B. C.). Within the pod, Ca^<45> tended to concentrate in the tracheid and hypodermis parts of the shell, but in the xylem parenchyma part of the shell and the seed scarcely any Ca^<45> was found (Fig. 4 D.). A greater degree of the absorption and translocation of Ca^<45> in the shell was found in the basal region of it than in the terminal one.
日本作物学会の論文
1959-09-01

落花生の結実に関する生理学的研究 : 第1報結実圏に与えられたCa^<45>の結実部位別分布について

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落花生の結実に関する生理学的研究 : 第1報 結実圏に与えられたCa^<45>の結実部位別分布について

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落花生の結実に関する生理学的研究 : 第1報結実圏に与えられたCa^<45>の結実部位別分布について