首页|期刊导航|中国农业科学（英文版）|Genetics, Development, and Application of Cytoplasmic Herbicide Resistance in Foxtail Millet
中国农业科学（英文版）2007，Vol.6Issue(7)：779-785,7.
Genetics, Development, and Application of Cytoplasmic Herbicide Resistance in Foxtail Millet
Genetics, Development, and Application of Cytoplasmic Herbicide Resistance in Foxtail Millet
摘要
Abstract
The effect of cytoplasmic herbicide resistant gene in millet plants was studied. The heterozygous populations and isogenic lines with homocaryotic alloplasmic genes were obtained by crossing and reciprocal crossing of cytoplasmic herbicide resistant plants with susceptive plants of foxtail millet. The characters of F1, F2, backcross and composite cross groups, and the growth and development of isogenic lines were compared. The cytoplasmic herbicide resistant gene slowed the development of seedling, delayed heading, and shortened the milking stage in the foxtail millet plant. Yield capacity and main agronomic characters were all affected by the cytoplasmic herbicide resistant gene in most of the backcross, composite cross, and F2 populations. However, there was stronger hybrid vigor in F1. The backcrosses,composite crosses, and F2 populations were widely separated and some of them had good characters similar to those of susceptive groups. The plant characters and development of foxtail millet were negatively affected by the cytoplasmic herbicide resistant gene. The authors proposed a method of using hybrid vigor to obtain high yield and avoid the negative effects of herbicide resistance cytoplasm in plant growth. The expected results could be obtained by selecting individuals in separate populations of fast developed seedlings, well-developed roots, and with capacities of early heading and fast milking. Guided by the principal mentioned above, many high yield lines and hybrid crosses of foxtail millet with herbicide resistant cytoplasm were obtained.关键词
foxtail millet [Setaria italic (L.) Beav.]/cytoplasmic herbicide resistance/genetic/development/applicationKey words
foxtail millet [Setaria italic (L.) Beav.]/cytoplasmic herbicide resistance/genetic/development/application分类
农业科技引用本文复制引用
JI Gui-su,DU Rui-heng,HOU Sheng-lin,CHENG Ru-hong,WANG Xin-yu ,ZHAO Xiu-ping..Genetics, Development, and Application of Cytoplasmic Herbicide Resistance in Foxtail Millet[J].中国农业科学（英文版）,2007,6(7):779-785,7.基金项目
This study is supported by the Natural Science Foundation of Hebei Province, China (301438). （301438）
