核农学报2012，Vol.26Issue(4)：660-665,6.
空间飞行对五角枫植株生理指标及抗氧化酶的影响
EFFECT OF SPACE FLIGHT ON PHYSIOLOGICAL INDEXES AND ANTIOXIDANT ENZYMES OF Acer mono
李允菲 1杨帆 2任云辉 2赵心音 2郭倍倍 3孙宇涵 1李云 1王仁涛 2张媛 2谷雯雪 2路超4
作者信息
- 1. 林木育种国家工程实验室．林木、花卉遗传育种教育部重点实验室,国家林业局树木花卉育种与生物工程重点开放实验窒,北京100083：
- 2. 北京林业大学生物科学与技术学院,北京100083
- 3. 河南省野生动物救护中心,河南郑州450000
- 4. 中国农业科学院农业资源与农业区划研究所,北京100081
- 折叠
摘要
Abstract
To investigate the effects of space flight on physiological indexes and antioxidant enzymes of Acer mono, seeds were divided into two groups, one was treated by carrying on Shijian No. 8 breeding satellite for 15d, and the other was kept on the ground as controls. 5 years old seedlings that derived from the seeds of space flight and the seeds of ground control were chosen as materials, then the growth characteristics, photosynthetic characteristics, soluble protein content and antioxidant enzymes activities were analyzed. The results showed that the plant growth, net photosynthetic rate （Pn） , chlorophyll content, superoxide dismutase （SOD） activity and soluble protein content of seedlings after space flight were much higher than those of ground control. However, the changes of malondialdehyde （MDA） content,peroxidase （POD）,transpiration rate （Tr）,intercellular carbon dioxide concentration （Ci） and stomatal conductance （Gs） were not significantly changed. The net photosynthetic rate （Pn）, as well as the plant growth of seedlings after space flight were higher than those of the control. The improved ability of photosynthesis may be one of the reasons that seedlings from seeds of space flight have higher speed of growth.关键词
五角枫/空间飞行/生理指标/光合特性/抗氧化酶Key words
Acer mono/space flight/physiological indexes/photosynthetic characteristics/antioxidant enzymes分类
农业科技引用本文复制引用
李允菲,杨帆,任云辉,赵心音,郭倍倍,孙宇涵,李云,王仁涛,张媛,谷雯雪,路超..空间飞行对五角枫植株生理指标及抗氧化酶的影响[J].核农学报,2012,26(4):660-665,6.
