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CHEN Ming-Xia, ZHOU Cai-Yun, LI Ming-Jun, CUI Ke-Hui, NIE Li-Xiao, HUANG Jian-Liang. Effects on Ammonia Volatilization from Shoot of Rice by Inhibitor[J]. Plant Science Journal, 2011, 29(2): 206-211.
Citation: CHEN Ming-Xia, ZHOU Cai-Yun, LI Ming-Jun, CUI Ke-Hui, NIE Li-Xiao, HUANG Jian-Liang. Effects on Ammonia Volatilization from Shoot of Rice by Inhibitor[J]. Plant Science Journal, 2011, 29(2): 206-211.
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Effects on Ammonia Volatilization from Shoot of Rice by Inhibitor

  • 1.

    College of Life Science, Henan Normal University, Xinxiang, Henan 453002, China

  • 2.

    Crop Physiology and ProductionCenter, Huazhong Agricultural University, Key Laboratory of Huazhong Crop Physiology, Ecology and Production, Ministry of Agriculture, Wuhan 430070, China

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  • Received Date: March 31, 2010
  • Revised Date: August 25, 2010
  • Published Date: April 29, 2011
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    • Abstract
  • Pot experiments were conducted using Yoshida culture solution with two rice varieties(Wuyujing-3 and Yangdao-6) to study the effects of glutamine synthetase inhibitor methionine sulfoximine(MSO) and photorespiration inhibitor isonicotinyl hydrazine(INH) on the ammonia volatilization rate(AVR),photorespiration rate(Pr) and glutamine synthetase(GS) activity in rice.The results showed that:(1)MSO decreased the Pn,but increased the Pr in the flag leaf;INH decreased the Pr significantly and Pn slightly.(2)MSO decreased GS activity,which promoted an increase in AVR in rice canopy.INH showed a slightly positive effect on the decrease in AVR.(3)Based on the comparison between the two tested varieties,the higher AVR variety(Yangdao-6) showed greater GS activity and lower Pr than those of the lower AVR variety(Wuyujing-3).
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