Cytologic observations of sterility in interspecific F1 hybrid from Leymus chinensis and Leymus cinereus
Leymus chinensis and Leymus cinereus belong to Leymus genus of Trib triticeais,both are allotetraploid (2n＝ 28) rhizomegrass.Cross between two species is known as Geographically distant and the complement of advantages and disadvantages.But the interspecific F1 hybrid is totally sterile.In order to understand the cytologic mechanism of hybrid F1 sterility and fertility restoration further, In this study, the meiosis of PMCs and the development of pollen and embryo sac of L.chinensis,L.cinereus and their F1 hybrid.were observed.
cytologic observations sterility interspecific hybrid
Hou jianhua Yun jinfeng
Inner Mongolia Agriculture University.306 Zhaowuda Rd.huhhot,Inner Mongolia,P.R.China.
国际会议
呼和浩特
英文
2008-06-29（万方平台首次上网日期，不代表论文的发表时间）