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银杏叶片生长过程中叶绿体光合能力的变化 被引量:1

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摘要 以十年生雌性银杏为实验材料,研究自然条件下叶绿体的光合能力和变化.结果表明:随着叶片的生长,叶绿素含量和净光合速率逐渐增加,但类胡萝卜素含量变化不大;叶绿体放氧活性、光合磷酸化活性、ATP含量、Ca^(2+)-ATP酶活性以及PSII,PSI和全电子链的电子传递活性逐渐提高;类囊体膜室温吸收光谱在蓝紫光区(430nm)和红光区(680nm)分别有两个吸收峰,类囊体膜室温发射光谱在640nm和680nm处有明显的峰值,光吸收值和680nm荧光值都随着叶片的生长而上升.显示光合器官在叶片生长过程中逐步发育和完善,叶绿体的光合能力随叶片生长而逐渐增强.
出处 《牡丹江师范学院学报(自然科学版)》 2016年第2期55-58,共4页 Journal of Mudanjiang Normal University:Natural Sciences Edition
基金 植物生理学与生物化学国家重点实验室开放课题基金(SKLPPBKF1502) 国家级大学生创新训练项目(201511305001) 安徽省高校领军人才引进与培育计划(gxfxZD2016273) 安徽省高等学校自然科学研究重点项目(KJ2016A454)
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参考文献12

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