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shui dao xi bao zhi xiong xing bu yu xi yu bao chi xi de hu xi tu jing bi jiao
Author(s): 
Pages: 55-58
Year: Issue:  1
Journal: Acta Phytophysiologica Sinica

Keyword:  呼吸途径细胞质雄性不育水稻;
Abstract: 比较水稻细胞质雄性不育系珍汕97A及其保持系珍汕97B之幼穗、叶片和花药的呼吸代谢。结果表明:不育系花药的总呼吸速率、抗氰呼吸所占总呼吸比例和细胞色素氧化酶(COD)、苹果酸脱氢酶(MDH)和6-磷酸葡萄糖脱氢酶(6-PGDH)活性低于保持系;幼穗中则仅6-PGDH低于保持系;叶片间各指标均无差异。Na3PO4可抑制保持系的叶片和幼穗及不育系叶片总呼吸的30%,而仅能抑制不育系幼穗总呼吸的24%;丙二酸则抑制不育系与保持系的叶片和幼穗的总呼吸的70%。
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