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	Effect of lanthanum on rice growth and physiological parameters with split-root nutrient solution culture
	Xie, ZB; Zhu, JG; Chu, HY; Zhang, YL; Gao, R; Zeng, Q; Cao, ZH
刊名	JOURNAL OF RARE EARTHS
	2003-02-01
卷号	21期号:1页码:86-91
关键词	plant physiology physiological parameters split-root solution culture lanthanum rare earths
ISSN号	1002-0721
通讯作者	Xie, ZB()
英文摘要	Split-root solution culture was used to study the promoting effect of lanthanum on rice ( Oryza sativa) growth and its physiological mechanisms. Results show that low concentration (0.05 similar to 1.5 mg (.) L-1) increases rice yield and grain numbers. High concentration depresses grain formation (9 similar to 30 mg (.) L-1) and root elongation ( 1.5 similar to 30 mg . L-1). No significant influence on straw dry weight was found over the whole concentration range except the 0.05 mg (.) L-1 treatment. With the increase of La concentration from 0. 05 to 0. 75 mg (.) L-1, catalase (CAT) activity in the first fully expanding leaves and roots decreases. When La concentration is greater than 0. 75 mg (.) L-1 or less than 9 mg (.) L-1, it significantly decreases superoxide dismutase activity (SOD) in the leaves and roots. No significant effects were found on chlorophyll, protein and malondialdehyde (MDA) content. Possible mechanisms of La's promoting effect on rice growth and reduction effect of .O-2(-) were discussed.
收录类别	SCI
WOS关键词	RARE-EARTH ELEMENTS ; PLANT-GROWTH ; CORN
WOS研究方向	Chemistry
WOS类目	Chemistry, Applied
语种	英语
出版者	METALLURGICAL INDUSTRY PRESS
WOS记录号	WOS:000181745600019
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2559297
专题	南京土壤研究所
通讯作者	Xie, ZB
作者单位	Chinese Acad Sci, Inst Soil Sci, Lab Mat Cycling Pedosphere, Nanjing 210008, Peoples R China
推荐引用方式 GB/T 7714	Xie, ZB,Zhu, JG,Chu, HY,et al. Effect of lanthanum on rice growth and physiological parameters with split-root nutrient solution culture[J]. JOURNAL OF RARE EARTHS,2003,21(1):86-91.
APA	Xie, ZB.,Zhu, JG.,Chu, HY.,Zhang, YL.,Gao, R.,...&Cao, ZH.(2003).Effect of lanthanum on rice growth and physiological parameters with split-root nutrient solution culture.JOURNAL OF RARE EARTHS,21(1),86-91.
MLA	Xie, ZB,et al."Effect of lanthanum on rice growth and physiological parameters with split-root nutrient solution culture".JOURNAL OF RARE EARTHS 21.1(2003):86-91.

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