backcross

基本解釋

Backcross with c ommon wheat had completely no seed set.
用普通小麥回交，未獲得回交后代。
The resistant level was declined with increasing of backcross generations.
(2)在回交后代中，抗性水平逐代降低。
Dwarfing-sterile wheat was changed from winterness to springness by continue backcross.
摘要利用連續(xù)回交手段將矮敗小麥由冬性轉(zhuǎn)育為春性。
Methods The mice were bred in different ways,including crossbreed,backcross and intercross.
方法采用雜交、回交、互交的方法進行培育;
Transfer of Xa 21 gene resistant to bacterial blight for rice through backcross and anther culture.
應用回交和花培轉(zhuǎn)育水稻抗白葉枯病基因Xa-21