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The Comparative Study on Wheat CMS Lines with Ae. Uniaristata and Ae.Kotschyi Cytoplasm Ⅱ. Agronomic Effect

Zhu Lieceng Ma Lingjian Song Xiyue Xi Yajun Hu Yingang Liu Shudong Yang Cunyi He Peiru (Department of Agronomy,Northwestern Agricutural University,Yangling,Shaanxi 712100)  
Ae.Uniaristata cytoplasm wheat male sterile (CMS) lines,4 Ae.Kotschyi CMS lines and their maintainer lines were crossed with 10 common wheat lines.The agronomic characters were investigated.The result indicated that there were no significant difference between the effect of U type cytoplasm and K type cytoplasm on almost all agronomic characters, while the U type cytoplasm increased seed germination rate. The U type cytoplasm might have better resistance to powdery mildew.
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