Effect of La-Gly on Physiological and Biochemical Characteristics of Glycine max Seedling under Pb Stress
来源期刊：JOURNAL OF RARE EARTHS2000年第3期
论文作者：TU Kun-gang HUANG Xiao-hua ZHANG Jian-hua ZHOU Qing
Key words：rare earths; Glycine max seedling; La-Gly; lead; physiological and biochemical characterisics; protective effect;
Abstract: The physiological and biochemical characteristics of Glycine max seedlings were changed under the high concentration of Pb stress, in which the malony dialdehyde(MDA) content, plasmalemma, activities of catalase (CAT) and peroxidase (POD) were increased drastically. The damage effects of Pb were reduced when 15 mg·L-1 La-Gly was used to spray Glycine max seedlings. The results of La-Gly treatment show that the effects are related to the decrease of Pb content in plants, the increase of photosynthetic rate and nitrate reductase (NR) activity, decrease of MDA content and cell membrane permeability, and maintenance of activities of CAT and POD.
TU Kun-gang1，HUANG Xiao-hua1，ZHANG Jian-hua1，ZHOU Qing1
(1.Suzhou Railway Teachers College, Suzhou 215009, China)
Abstract:The physiological and biochemical characteristics of Glycine max seedlings were changed under the high concentration of Pb stress, in which the malony dialdehyde(MDA) content, plasmalemma, activities of catalase (CAT) and peroxidase (POD) were increased drastically. The damage effects of Pb were reduced when 15 mg·L-1 La-Gly was used to spray Glycine max seedlings. The results of La-Gly treatment show that the effects are related to the decrease of Pb content in plants, the increase of photosynthetic rate and nitrate reductase (NR) activity, decrease of MDA content and cell membrane permeability, and maintenance of activities of CAT and POD.
Key words:rare earths; Glycine max seedling; La-Gly; lead; physiological and biochemical characterisics; protective effect;
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