氯霉素对毛竹幼苗色素质量分数及叶绿素荧光的影响  

Chloromycetin effects on pigment content and chlorophyll fluorescence in Phyllostachys edulis seedlings

作　　者：吴兴波[1] 陈登举[1] 马元丹[1] 高岩[1] 温国胜[1] 张汝民[1] 

机构地区：[1]浙江农林大学亚热带森林培育国家重点实验室培育基地,浙江临安311300

出　　处：《浙江农林大学学报》2016年第2期209-215,共7页Journal of Zhejiang A&F University

基　　金：国家自然科学基金资助项目(31570686;30972397;31270497和31270756);浙江农林大学科研发展基金资助项目(2010FR058)

摘　　要：为了探讨抗生素对植物生长的影响,以3年生毛竹Phyllostachys edulis实生苗为材料,用Yaxin-1161型非调制式叶绿素荧光仪和JIP-test数据分析方法,研究了采用不同浓度氯霉素(CAP)对其叶片色素质量分数和叶绿素荧光特性的影响。结果表明:氯霉素处理后,毛竹幼苗叶片叶绿素a,叶绿素b和总叶绿素质量分数显著降低(P<0.05);捕获的激子将电子传递到电子传递链中超过初级醌受体(QA)的其他电子受体的效率(ET0/TR0)。用于电子传递的量子产额(ET0/ABS),最大光化学效率(φP0)和吸收光能为基础的性能指数(PIABS)均显著下降(P<0.05),表明氯霉素具有抑制毛竹幼苗光合性能的作用。To determine the effects of antibiotics on plant growth, three-year-old Phyllostachys edulis seedlings were used as experimental materials. Then pigment content and chlorophyll fluorescence with different concentrations of chloromycetin(CAP) were determined using a non-modulated chlorophyll fluorometer(Yaxin-1161)and the JIP-test data analysis method. Results showed that chlorophyll a, chlorophyll b, and total chlorophyll content of the leaves significantly decreased(P<0.05) with the CAP treatment. A significant decrease(P<0.05) was found with the probability that a trapped exciton moved an electron into the electron transport chain beyond Quinone A(QA)(ET0/TR0), with quantum yield for electron transport(ET0/ABS), with maximum quantum yield for primary photochemistry(φP0), and with performance index on absorption basis(PIABS).This suggested that CAP suppressed leaf photosynthetic characteristics.

关 键 词：植物学 毛竹 氯霉素 色素 叶绿素荧光 

分 类 号：S718.4[农业科学—林学]