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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, PP. 21-25

Keywords: 冬小麦,,碳酸酐酶

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Abstract:

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14d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.

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