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Acta Agron Sin ›› 2006, Vol. 32 ›› Issue (07): 1101-1103.

• RESEARCH NOTES • Previous Articles     Next Articles

Changes of RNase Vitality in the Anther Abortion Processes of Several Male Sterile Lines in Rapeseed (Brassica napus L.)

NIE Ming-Jian1 2,WANG Guo-Huai1,CHEN Guang-Yao1   

  1. 1School of Agronomy, Hunan Agricultural University, Changsha 410128, Hunan, 2Changde Agricultural Science Research Center, Changde 415000, Hunan, China
  • Received:2005-08-01 Revised:1900-01-01 Online:2006-07-12 Published:2006-07-12

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Abstract:

The anther abortion processes of five different types of male sterile lines in Rapeseed (Brassica napus L.) are studied by contrast. The results show that the RNase vitality and the amount of free UMP of the male sterile lines increase greatly and the amount of RNA and soluble protein decrease obviously in the process of abortion. The relative coefficient between RNase vitality and the amount of RNA, which are negatively linearly related, is －0.9796**. Therefore the abnormal increase of RNase vitality is closely related with the male sterility in rapeseed (Brassica napus L.).

Key words: Rapeseed(Brassica napus L.), Male sterile lines, RNase vitality, Soluble protein, the amount of RNA and free UMP

CLC Number: 

  • S565
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