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《Journal of Shenyang Agricultural University》 1993-01
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Studies on Drought Resistance of Different Maize Crosses at Dooting, Flowering and Filling Stages

Chen Jun;Dai Junying;Shen Xiuying;Xu Shichang (Department of Agronomy, Shenyang Agricultural University)  
Drought resistance of different maize hybrids was compared with one another at three key growth stages under water stress. The results indicated that the most drought--resistant cross is Yuyu 3 which suffered from less grain yield loss. The drought--susceptible cross is Xin Huangdan 85--1, of which the grain yield loss is more. The difference of grain yield performace is corresponded with their internal physiological and biochemical processes. Under water stress, Yuyu 3 showed apparently increased stomata resistance and proline content, but slightly decreased water potential, so its osmosis adjusting ability was enhanced. It also presented showed relatively less MDA amount increase and slightly SOD activity decrease.
【Fund】: 农业部重点课题
【CateGory Index】: S512
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1 Zeng Huazong Zheng Chengmu (College of Agronomy,South China University of Tropical Agriculture,Danzhou,Hainan571737);Physiological Test of Drought Resistance and PCR Amplification of BADH Gene in Sugarcane[J];Chinese Journal of Tropical Crops;2003-01
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