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首页> 外文期刊>日本作物學會紀事 >Researches on Technical Improvement of Rice Culture on Ill-drained Fields : V. Studies on the physiological characteristics of rice varieties as related to the resistance against yield-fall : (5) Varietal differences in H2S-oxydation activity of rice roots
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Researches on Technical Improvement of Rice Culture on Ill-drained Fields : V. Studies on the physiological characteristics of rice varieties as related to the resistance against yield-fall : (5) Varietal differences in H2S-oxydation activity of rice roots

机译：水稻培养技术改进对耐污水田间的技术改进：V。水稻品种生理特性与抗屈服抗性有关的研究：（5）水稻根系H2S-oxydation活性的变异差异

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H2S-oxydation activity of rice roots, was measured in relation to the varietal differences in Akiochi resistance. The results were as follows: 1) H2S oxydation activities of rice roots varied with concentration of H2S and pH of the culture solultion. 2) It has generally been comprehended that H2S oxydation activities of rice roots are due to Fe+++ ions which exist on the root surface. But, according to the authors' findings some oxydative substances in the root cells seem to take some part in the phenomenon. 3) Among the seedlings, grown under high temperatures, later varieties gave generally stronger value of H2S oxydation activity than earlier ones. But under low temperatures, such a relation was not found. 4) It was found that there are positive correlation between Eh6 of the rice root cell-sap and H2S oxydation activity of the root, and that resistance of the plant against yield-fall (Akiochi) is related with the strength of H2S oxydation activity of rice roots.
机译：稻根的H2S-氧化活性，以与Akiochi抗性的变异差异有关。结果如下：1）H 2 S氧化氧化氧化物的活性随浓度的H 2 S和培养索文化的pH而变化。 2）通常普遍理解，水稻根部的H2S氧化活性是由于根表面上存在的Fe +++离子。但是，根据作者的调查结果，根细胞中的一些氧化物质似乎在现象中服用一些部分。 3）在幼苗中，在高温下生长，后来品种通常比早期的H 2 S氧化活性较强。但在低温下，找不到这样的关系。 4）发现稻米细胞 - SAP的EH6与根部的H2S氧化活性之间存在正相关性，并且植物对屈服 - 落（akiochi）的阻力与H2S氧化活性的强度有关稻根。

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