The drought resistances of 44 maize germplasms at budding stage were studied with 19.2% polyethylene glycol(PEG-6000)in order to provide new germplasm resource for drought resistance breeding of maize.The results show...The drought resistances of 44 maize germplasms at budding stage were studied with 19.2% polyethylene glycol(PEG-6000)in order to provide new germplasm resource for drought resistance breeding of maize.The results showed there were five extremely high drought resistance germplasms,20 germplasms with high drought resistance,and 19 germplasms with medium drought resistance.The significance testing was also used to demonstrate that the germination index(GI)and germination of drought resistance index(GDRI)of N4,N54-1 and Wuming No.1 were dramatically remarkable than others.The conclusion was that the 44 maize germplasm had good drought resistance and could be used as germplasm resource of the drought resistance breeding of maize,which had a great value of development and utilization.展开更多
基金Supported by the Subproject of National Science Foundation Platform Project(2005DKA21000-5-49)~~
文摘The drought resistances of 44 maize germplasms at budding stage were studied with 19.2% polyethylene glycol(PEG-6000)in order to provide new germplasm resource for drought resistance breeding of maize.The results showed there were five extremely high drought resistance germplasms,20 germplasms with high drought resistance,and 19 germplasms with medium drought resistance.The significance testing was also used to demonstrate that the germination index(GI)and germination of drought resistance index(GDRI)of N4,N54-1 and Wuming No.1 were dramatically remarkable than others.The conclusion was that the 44 maize germplasm had good drought resistance and could be used as germplasm resource of the drought resistance breeding of maize,which had a great value of development and utilization.
