Study on Changes of Hormones in Anther at Different Development Stage in Cytoplasmic Male Sterility Line and Its Maintainer of Chinese Cabbage
Feng Zhong-mei, Fenglan Zhang, Deshuang Zhang, Xianchang Yu
Abstract
Feng Zhong-mei, Fenglan Zhang, Deshuang Zhang, Xianchang Yu
Abstract
Changes of contents of IAA,ABA,GA_(3)and ZR in anther at different development stage in Cytoplasmic Male Sterility(CMS) line and its maintainer of Chinese cabbage were investigated by ELISA(enzyme-linked immunosorbent(assay).)It is observed that changes of contents of IAA,ABA,GA_(3)and ZR in anther of Cytoplamic Male Sterility line were different to its maintainer.At the third stage(the length of flora bud was 2.0-3.0 mm),the contents of IAA,GA_(3)and ZR in CMS and the value of ZR/ABA were remarkably lower than its maintainer.However,the contents of ABA in CMS were significantly higher than its maintainer.The microspores have just started to be sterile at this stage.It is concluded that the deficiency of IAA,GA_(3)and ZR and over product of ABA and breaking of hormonal equilibrium induced male sterility in Chinese cabbage.
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Changes of contents of IAA,ABA,GA_(3)and ZR in anther at different development stage in Cytoplasmic Male Sterility(CMS) line and its maintainer of Chinese cabbage were investigated by ELISA(enzyme-linked immunosorbent(assay).)It is observed that changes of contents of IAA,ABA,GA_(3)and ZR in anther of Cytoplamic Male Sterility line were different to its maintainer.At the third stage(the length of flora bud was 2.0-3.0 mm),the contents of IAA,GA_(3)and ZR in CMS and the value of ZR/ABA were remarkably lower than its maintainer.However,the contents of ABA in CMS were significantly higher than its maintainer.The microspores have just started to be sterile at this stage.It is concluded that the deficiency of IAA,GA_(3)and ZR and over product of ABA and breaking of hormonal equilibrium induced male sterility in Chinese cabbage.
Key concepts: Software maintainer, Microspore, Sterility, Stamen, Cytoplasmic male sterility, Biology, Hormone, Botany