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用土袋水培法研究水稻黄叶生理病
引用本文:廖宗文.用土袋水培法研究水稻黄叶生理病[J].华南农业大学学报,1993,14(3):1-5.
作者姓名:廖宗文
作者单位:华南农业大学土化系
摘    要:以土袋水培法,结合普通盆栽研究水稻黄叶生理病与红壤溶液Fe、Si关系果表明,与无稻红壤溶液相比,植稻红壤的Si/Fe下降而土袋水培Si/Fe升高。电子探针分析显示土培稻根表皮层细胞外壁的Fe峰很高,而土袋水培者的Fe峰很低或为零。讨论了土袋水培的Si/Fe升高的原因及其对消除水稻黄叶生理病的作用。

关 键 词:土袋培法  水稻  黄叶生理病

STUDY ON RICE ORANGING PHYSIOLOGICAL DISEASE WITH SOIL-BAG HYDROPONIC CULTURE
Liao Zhongwen.STUDY ON RICE ORANGING PHYSIOLOGICAL DISEASE WITH SOIL-BAG HYDROPONIC CULTURE[J].Journal of South China Agricultural University,1993,14(3):1-5.
Authors:Liao Zhongwen
Institution:Soil Science Department
Abstract:Soil - bag hydroponic culture was conducted together with ordinary soil pot experiment to study the relationship between rica oranging physiological disease and Si, Fe in red soil solution. It was found that compared with red soil solution without rice plant, Si/Fe of that with rice plant decreased while Si/Fe of soil-bag hydroponic culture increased. Electron probe analysis showed that the soil pot treated rice root had very high Fe peaks in outer cell wall of epidermis while very low or none Fe peaks were found in soil-bag treated rice root.Thecause for Si/Fe rising of soil - bag treatment and its role on correcting the physiological disease were discussed.
Keywords:Soil-bag hydroponic culture  Rice oranging physiological disease  Red soil  Si  Fe  Electron probe
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