| 大花萱草对水分胁迫的光合响应 |
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| 引用本文： | 陈丽飞,董然,顾德峰,赵和祥,刘洪章. 大花萱草对水分胁迫的光合响应[J]. 北方园艺, 2011, 0(19): 61-63 |
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| 作者姓名： | 陈丽飞 董然 顾德峰 赵和祥 刘洪章 |
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| 作者单位： | 吉林农业大学园艺学院,吉林长春130118;吉林农业大学生命科学学院,吉林长春130118;吉林农业大学园艺学院,吉林长春,130118;吉林农业大学生命科学学院,吉林长春,130118 |
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| 摘 要： | 对黄色(T1)、金黄色(T2)和红色(T3)3个不同大花萱草的品系进行水分胁迫,利用CI- 340便携式光合仪测定了其水分胁迫下叶片的光合特性.结果表明:3种大花萱草的光合速率日变化呈双峰曲线,在中午有明显的“午休”现象,干旱处理下的3种大花萱草光合速率明显低于对照；随胁迫程度的增大,各品系的光合速率均呈缓慢增加然后迅速降低的变化趋势,T1黄色品系表现出较强的光合能力,T3红色品系其次,T2金黄色品系的光合能力表现最弱.
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| 关 键 词： | 大花萱草 水分胁迫 光合响应 |
The Photosynthetic Response of Hemerocallis to Water Stress |
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| CHEN Li-fei , DONG Ran , GU De-feng , ZHAO He-xiang , LIU Hong-zhang. The Photosynthetic Response of Hemerocallis to Water Stress[J]. Northern Horticulture, 2011, 0(19): 61-63 |
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| Authors: | CHEN Li-fei DONG Ran GU De-feng ZHAO He-xiang LIU Hong-zhang |
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| Affiliation: | CHEN Li-fei1,2,DONG Ran1,GU De-feng1,ZHAO He-xiang1,LIU Hong-zhang2(1.College of Horticulture,Jilin Agricultural University,Changchun,Jilin 130118,2.College of Life Sciences,Jilin 130118) |
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| Abstract: | The photosynthetic characteristics of Yellow(T1),Golden(T2)and Red(T3)three kinds of Hemerocallis were measured with the CI-340 portable photosynthesis system under water stress treatments.The results showed that three strains of Hemerocallis showed a bimodal curve in the changing of photosynthetic rate.There was a 'lunch break' phenomenon at noon,the photosynthetic rate of three Hemerocallis under drought were significantly lower than control.With the increasing of stress level,the photosynthetic rate of a... |
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| Keywords: | Hemerocallis middendorffii water stress photosynthetic response |
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