锌对冬小麦叶片碳酸酐酶活性的影响

doi:10.3321/j.issn:1000-7091.2003.02.006

摘要/Abstract

摘要： 以8901-11和418两个冬小麦品种为材料,研究了不同施锌水平对小麦叶片碳酸酐酶(CA)活性变化的影响规律.顶部功能叶的CA活性在起身后不断提高,至开花期达到最高之后下降.旗叶和倒三叶的CA活性均在展开后7或14 d达到最高值,以后基本是下降趋势,但也随植株生育节律和生态条件有升降变化.与倒三叶相比,旗叶CA活性的最高值较高.2品种各施锌处理的CA活性均高于未施锌处理,且3个不同施锌量的CA活性在倒三叶和旗叶中的表现均略有不同.

关键词: 冬小麦, 锌, 碳酸酐酶

Abstract: With 8901-11 and 4185, two field-grown winter wheat varieties, the changing regulation of the effect of different zinc fertilization levels on the activity of carbonic anhydrase ( CA) in leaves of winter wheat was determined.The activity of CA in top function leaves continually increased after double ridge stage and reached the maximum at flowering stage, then decreased.T he activity of CA in flag leaf and the 3rd leaf from top alLreached the maximum values at the 7th or 14th day after fulLexpansion, then decreased gradually, but fluctuations stilLoccurred with growing stages and ecologicaLconditions.T he highest value of CA activity in flag leaf was higher compared with that in the third leaf from top.The activity of CA in the treatments with zinc fer-tilization is higher than that without zinc fertilization for both varieties, and there were smalLdifferences in the activities of CA for the three zinc levels in the third leaf from top and the flag leaf.

Key words: Winter wheat, Zinc, Carbonic anhydrase

中图分类号:

S512.1

韩金玲, 李雁鸣, 马春英. 锌对冬小麦叶片碳酸酐酶活性的影响[J]. 华北农学报, 2003, 18(2): 21-25. doi: 10.3321/j.issn:1000-7091.2003.02.006.

HAN Jin ling, LI Yan ming, MA Chun ying. Effect of Zinc on Activity of Carbonic Anhydrase in Winter Wheat Leaves[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2003, 18(2): 21-25. doi: 10.3321/j.issn:1000-7091.2003.02.006.

http://www.hbnxb.net/CN/Y2003/V18/I2/21

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