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Position: Home > Articles > Study on the changes of photosynthetic characters in flag leaf after full heading stage of Japonica rice in cold region Journal of Northeast Agricultural University 2008,39 (6) 17-21

寒地粳稻生育后期剑叶光合特性变化的研究

作  者:
刘化龙;田红刚;樊冬生;王敬国;邹德堂
单  位:
红润农药有限公司;东北农业大学农学院
关键词:
寒地粳稻;剑叶;叶绿素含量;净光合速率;硝酸还原酶活性
摘  要:
文章研究了黑龙江省第一积温带5个主栽品种生育后期剑叶叶绿素含量、净光合速率和硝酸还原酶(Nitrate Reductase,NR)活性的变化规律。结果表明,产量高的品种其生育后期剑叶叶绿素含量、光合速率和NR活性均高于产量低的品种,品种间差异显著。因此,将剑叶生育后期叶绿素含量、净光合速率和NR活性作为寒地粳稻高光效育种和超高产育种中的一项生理选育指标是可行的。
译  名:
Study on the changes of photosynthetic characters in flag leaf after full heading stage of Japonica rice in cold region
作  者:
LIU Hualong1,TIAN Honggang1,FAN Dongsheng2,WANG Jingguo1,ZOU Detang1(1.College of Agriculture,Northeast Agricultural University,Harbin 150030,China; 2.Hongrun Pesticides Corporation,Jiamusi Heilongjiang 154005,China)
关键词:
Japonica rice in cold region;chlorophyll content;net photosynthetic rate;nitrate reductase ac-tivity
摘  要:
The change rules of chlorophyll content,net photosynthetic rate and nitrate reductase activity in flag leaf after full heading stage of five varieties with different yield levels in the First Accumulated Temperature Zone of Heilongjiang Province were studied in this experiment.The results showed that the chlorophyll content,net photosynthetic rate and nitrate reductase activity in flag leaf of varieties of high yield were higher than those of the varieties of low yield and had great difference in these varieties.So chlorophyll content,net photosynthetic rate and nitrate reductase activity in flag leaf after full heading stage of different varieties as indicators in breeding of high photosynthetic efficiency and super high yield of Japonica rice were useful in cold region.

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