论文部分内容阅读
1 亲本的特征特性1.1 母本的特征特性生育期106d 左右,其中从出苗至开花67d 左右。植株矮壮,株高150～160cm,不分枝;叶片数24～26片,叶绿色;舌状花冠黄色,管状花的雄蕊退化,无花粉,雄蕊发育正常;果盘呈微凸状,果盘直径14～16cm,果盘倾斜度2级;籽实黑色,边缘暗灰色,千粒重48g。该不育系茎秆粗壮,抗倒伏,感向日葵褐斑病、霜霉病和锈病。1.2 父本的特征特性生育期113d 左右,生育期比母本晚7d 左右,其中从出苗至开花72d 左右。株高180～200cm,不分
1 The characteristics of the characteristics of the parent 1.1 The characteristics of the female reproductive period of about 106d, of which about from emergence to flowering 67d. Stalks of 150 ~ 160cm tall, unbranched; leaf number 24 ~ 26, leaf green; tongue corolla yellow, tubular stamens degenerated, pollen, stamen development is normal; fruit plate was convex, fruit plate diameter 14 ~ 16cm, fruit plate inclination 2; seed black, dark gray edge, 1000 grain weight 48g. The CMS stalks, lodging, sunflower brown spot, downy mildew and rust. 1.2 The characteristics of the male parent The growth period of about 113d, the growth period of about 7d later than the mother, of which about 72d from emergence to flowering. Plant height 180 ~ 200cm, regardless of