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《China Rice》 2016-01
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Effects of Drought and Re-watering on Rice Physiological and Biochemical Indexes of Leaves and Grain Yield at Booting Stage

CHEN Liang;WANG Benfu;JIANG Yuanyuan;CAO Cougui;LI Ping;College of Plant Science and Technology, Huazhong Agricultural University;Hubei Collaborative Innovation Center for Grain Industry, Yangtze University;  
Although the study on drought damage mechanism of leaf cells and physiological and biochemical indexes of rice is rich and comprehensive, the study on the subsequent physiological changes after re-watering is still less. In this study, two rice varieties with different drought resistance ability, Zhonghan3(resistant)and Huanghuazhan(non-resistant), were used. Four treatments including flooding(CK), low drought stress(LD), moderate drought stress(MD) and high drought stress(HD) were implemented at booting stage. The effects of drought stress on rice leaf physiological and biochemical traits(photosynthesis, GS, SPAD, antioxidant enzyme activity, and MDA)and grain yield were studied. The main results are as follows : 1)In MD and HD treatments, Pn of rice leaves decreased by 12.9%~43.9% which mainly related to Gs, while LD treatment have no significant difference in physiological and biochem-ical traits of leaf compared to CK. 2)After re-watering, all indices of leaf physiology and biochemistry for Zhonghan 3 could return to normal status under all treatments, whereas in Huanghuazhan, the target traits under LD and MD treatments could return to normal,and the HD influence could not recover after re-watering. 3)Drought stress made grain yield reduced by 14.3%~47.9% which mainly caused by the significant reduction of effective panicles and seed setting rate.
【Fund】: 高等学校博士学科点专项科研基金(20130146120033);; 中央高校基本科研业务费专项资金资助项目(2014QC026)
【CateGory Index】: S511
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 DUAN Su-mei;YANG An-zhong;HUANG Yi-de;WU Wen-ge;XU You-zun;CHEN Gang;Anhui Agricultural University;Anhui Science and Technology University;Rice Research Institute Anhui Academy of Agricultural Sciences;;Effects of Drought Stress on Growth and Physiological Feature and Yield of Various Rice Varieties[J];Journal of Nuclear Agricultural Sciences;2014-06
【Co-citations】
Chinese Journal Full-text Database 5 Hits
1 CONG Xi-han;SHI Fu-zhi;RUAN Xin-min;LUO Zhi-xiang;Institute of Rice Research,Anhui Academy of Agricultural Sciences;Key Laboratory of Rice Genetics and Breeding of Anhui Province;;Effect of high temperature and drought on yield and grain quality of different indica rice varieties during heading periods[J];Journal of Henan Agricultural University;2014-06
2 KE Zhenjin;YIN Meiqiang;WEN Yinyuan;HUANG Mingjing;HUANG Xuefang;GUO Pingyi;WANG Yuguo;YUAN Xiangyang;College of Agriculture Shanxi Agricultural University;Arid Farming Research Center,Shanxi Academy of Agricultural Sciences;;Effects of Polyacrylamide Seed Soaking on Seed Germination and Drought Resistance of Millet( Setaria italica) Seedlings Under Drought Stress[J];Journal of Nuclear Agricultural Sciences;2015-03
3 QI Xusheng;WANG Xingrong;ZHANG Yanjun;QIAO Haiming;ZHANG Jianping;MI jun;Crop Research Institute,Gansu Academy of Agricultural Sciences;Zhangjiakou Academy of Agricultural Sciences;;Drought Resistance Indexes Selection for Oil Flax at the Adult Stage and Drought Resistance Identification of Oil Flax Germplasm[J];Journal of Nuclear Agricultural Sciences;2015-08
4 CHEN Xijing;JING Jinfu;QI Xingjiang;ZHANG Xiaoming;WANG Hanqing;TANG Xu;XI Hui;SHEN Alin;Institute of Environment,Resources,Soil and Fertilizer,Zhejiang Academy of Agricultural Sciences;Zhejiang Engineering Research Center for Creative Agriculture;Institute of Crops and Utilization of Nuclear technology,Zhejiang Academy of Agricultural Sciences;Institute of Original Ecology Jinhua Yuhanaiqing;;Research on the Relation Between Water Management Based on αValue Method and Growth Response of Rice Cropping in Upland[J];Journal of Nuclear Agricultural Sciences;2015-10
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