2008•Journal of Yangtze University Agricultural Science VolumeRequires access
Characterization of Fertility Alteration in Four Environment-sensitive Genic Male-sterile Rices under Artificial Temperature Change
Zhixiong Liu
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Abstract
Four practical photo-/thermo-sensitive genic male-sterile lines,YW-2S,Guangzhan 63S,1103S and Peiai 64S,were conducted under a 5-day length artificial low temperature treatment of 22.7 ℃ during their sensitive stage to temperature for fertility alteration.The results of investigations on fertility expression showed that they had showed various degrees of sterility fluctuation and a sterile line with lower pollen sterile rate would not absolutely have a higher self seed setting.