| Senescence and activate oxygen metabolism of leaf in Panicum miliaceum L． |
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| DOI：10.7606/j.issn.1000-7601.2008.01.40 |
| Key Words: Panicum miliaceum L. leaf senescence activiate oxygen metabolism |
| Author Name | Affiliation | | DAI Huiping | College of Agriculture Northwest A ＆ F University Yangling,Shaanxi 712100,China | | FENG Baili | College of Agriculture Northwest A ＆ F University Yangling,Shaanxi 712100,China | | GAO Jinfeng | College of Agriculture Northwest A ＆ F University Yangling,Shaanxi 712100,China | | GAO Xiaoli | College of Agriculture Northwest A ＆ F University Yangling,Shaanxi 712100,China | | WANG Pengke | College of Agriculture Northwest A ＆ F University Yangling,Shaanxi 712100,China | | CHAI Yan | College of Agriculture Northwest A ＆ F University Yangling,Shaanxi 712100,China |
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| Abstract: |
| This research aims to study Panicum miliaceum L.leaves activity and the aging characteristics of oxygen metabolism by using Yu-Mi 3 and the pot method.The results showed that SOD,CAT,POD activities of different leaves rose and then declined with plant ageing,the content of active oxygen protective enzyme of flag leaf was high and declined slowly,and the content of MDA was low and rose gradually.These changes were significant in the middle and late stage of grain filling.The results showed,in the rain-fed agriculture,slowing leaves ageing is vital important to promote grain filling and increase jield and quallty of Panicum miliaceum L. |
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