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首页> 外文期刊>Bangladesh Journal of Botany >Stimulation of photosynthetic characteristics of Ginkgo biloba L. during leaf growth
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Stimulation of photosynthetic characteristics of Ginkgo biloba L. during leaf growth

机译:银杏叶片生长过程中光合特性的刺激

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摘要

Photosynthetic pigments, biochemical activities and chlorophyll a fluorescence kinetics were investigated to survey the photosynthetic characteristics of Ginkgo biloba L. during leaf growth. The content of total chlorophyll increased rapidly while the content of carotenoids changed a little. The content of ATP, the activity of O 2 evolution of chloroplasts, the electron transport activities, the activity of photophosphorylation and the activities of Ca 2+ - and Mg 2+ - ATPase were strengthened. All leaves at various growing stages exhibited typical chlorophyll a fluorescence transient, the intensity of fluorescence in the chlorophyll a fluorescence transient (OJIP) increased during leaf growth. Photosynthetic abilities gradually increased as the leaves grew.
机译:研究了光合色素,生化活性和叶绿素a荧光动力学,以研究银杏叶片生长过程中的光合特性。总叶绿素含量迅速增加,而类胡萝卜素含量变化不大。 ATP的含量,叶绿体的O 2释放活性,电子传输活性,光磷酸化活性以及Ca 2+-和Mg 2+-ATPase活性均得到增强。在不同生长阶段的所有叶片均表现出典型的叶绿素a荧光瞬态,叶生长期间叶绿素a荧光瞬态(OJIP)中的荧光强度增加。随着叶片的生长,光合能力逐渐增强。

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