Cd豆磺隆胁迫下黑土小麦系统中酶活性的动态变化.pdf

26 4 Vol. 26, No. 4 20064 Acta Scientiae Circumstantiae Apr. , 2006 , , , . 2006. Cd[ J]. , 26( 4): 632- 639 Jin C X, hou Q X, Sun R L, et al. 2006. Dynam ic changes in the activity of urease and CAT in phaiozemwheat system s under the stress of Cd and chlormi uronethyl[ J]. A cta Scientiae Circum stantiae, 26( 4): 632- 639 Cd 1, 2 1, 3, * 1, 2 1 1 金彩霞 , 周启星 , 孙瑞莲 , 任丽萍 , 王 新 1. 中国科学院沈阳应用生态研究所陆地生态过程重点实验室, 沈阳 110016 2. 中国科学院研究生院, 北京 100039 3. 南开大学环境科学与 程学院, 天津 300071 : : : : Cd Cd- (U rease)( CAT), () 2. , , Cd, ,. , Cd Cd, Cd Cd - 1 . , Cd 2~ 30 mg kg , Cd Cd, - 1 ; ( 30 mg kg ) Cd, . : Cd; ; ; ; : 2006) : X1715 : A Dynam ic changes in the activity of urease and CAT in phaiozemwheat system s under the stress of Cd and chlorimuronethyl 1, 2 1, 3, * 1, 2 1 1 JIN Caixia , HOU Q ixing , SUN Ruilian , REN L ipping , WANG X in 1. Key Laboratory of TerrestrialEcological Process, Institute ofApplied Ecology, Chinese A cademy of Sciences, Shenyang 110016 2. Graduated School of the Chinese Academy of Sciences, Beijing 100039 3. Co llege of Environm ental Science and Eng ineering, N ankaiUniversity, T ianjin 300071 R eceived 6 July 2005; received in revised form 20 February 2006; accepted 21 February 2006 A bstract: Dynam ic changes in the activity of catalase ( CAT) and urease in phaiozemwheat system sw ith sing le stress of cadm ium ( Cd) or joint stress of Cd and chlormi uronethy lw ere studied using the potculture