水稲品種の生理的特性と秋落抵抗性に関する研究 : (6) 還元土壌下における地上部および地下部の生育について

概要

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Rice seedlings of various varieties and seedlings grown under different seed-bed conditions were transplanted on the soid of severe reductive state, being applied with starch to the soil. The results were as follows: 1) No parallel relation between the response of top growth and that of root growth was observed among the varieties, namely, a variety is excellent in the root development, in spite of the poor growth of top, and the other is inferior with root growth as well as top growth. However, with the seedlings of different nature but of same variety, the proportional relationship can be observed between the response of top and that of root growth to the reductive soil. 2) The resistance of seedlings of different nature against the reductive state of soil has a close relation to the starch content of the base of stalk, but no similar relation was found among the different varieties. 3) Among the varieties, the resistance, against reductive state, especially response of top growth, seems to be influenced by the oxidative capacity of root.
日本作物学会の論文
1960-07-01