绿色植物生长调节剂( GGR)对高寒草甸矮嵩草抗氧化 ... - 中国科学院

18 1 Vol. 18 No. 1 ACTA A GRESTIA SINICA2010 1 Jan. 2010( GGR) 1 , 2 ,3 , 1 3 , 1 , 1 , 1(1. , 810008 ; 2. , 610041 ;3. , 100039): ( Kobresia humilis (C. A. Mey ex Trauvt) Serg. ) ,( GGR) :(SOD) 6 8 ( P < 0. 05) ,7 ;( GSH) ;S ,V,( P

1 :( GGR) 57,,( GGR) , GGR [4 ] [5 ] ,, GGR ,, [6 ] GGR ,,GGR ,, 1 ,, 420 - 560 mm ,5 - 10 1. 2 [7 ] ,( Ko2AB T ,) ,375 kg hm - 2 (C K) 6 - 9 ,,40 ,,,1. 3 :5 mL 0. 15 mol L - 1(p H 7. 0 ,0. 3 % PV P) ,,15000 r min - 1 10 min ,( SOD) Giannopiolitis Ries [8 ] ;( GSH) Ellman [9 ] ;Arnon [10 ] [11 ] ;G2250 1. 1 [12 ] ; [13 ] ;, [14 ]4 ,,5 ,6 ,,9 1. 4 SPSS 13. 0 ,(33 43 - 35 16 N , 98 48 - 100 55 E ,4000 mSigmaPlot 10. 0 ) ,,,7 - 8 ,;,4 - 5 0 2 ,,, 2. 1 GGRSOD GSH ,SOD 7 (1A) ,U , (6 ) (9 ),(7 8 ) ,, 6 8 SOD ( P

58 18 1 GGRSOD GSHFig. 1 Effect of GGR on the activity of SOD and contents of GSH in the leaves of K. humilisGGR GSH 2. 2 GGR222S,V(2A) ,9 ( P < 0. 05) ,9 GGR ,8 ,( P < 0. 05) (2B) ,V,V 6 ,7 8 ( P

1 :( GGR) 593 GGRFig. 3 Effect of GGR on the contents of chlorophyll in the leaves of K.humilis4 GGRO -2 Fig. 4 Effect of GGR on the generate velocity of3 O - 2 in the leaves of K. humilisDNA [15 ] ,(SOD GSH AsA ) ROS ,ROS SOD ,,O - 2H2 O2 , [16 ] , [17 ] GSH ,, GSH2AsA ROS [18 ], GSH [ 19 ] GSH ,SOD ,, [5 ] ,SOD ,, , [20 ],GGR SOD GGR [5 21 22 ] ,,,, ,, [7 ] , [23 ] ( Caragana Fabr. ) , ,,( ROS) , ,ROS 9 ,,,ROS ,, [24 ] ,7 8 , , [24 ] ; ncel [25 ] , [22 ] GGR ,,RNA © 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net

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