代换系 meaning in English

substitution line

Development and advances of single segment substitution lines in rice
水稻单片段代换系群体的构建及研究进展
Molecular cytogenetic study on the alien substitution lines of triticum - psathyrostachys
华山新麦草异代换系的分子细胞遗传学研究
The reaction to photo - period and temperature of fertility of the wheat nucleus substitu - tional lines of aegilops crassa
粗厚山羊草胞质小麦核代换系育性的光温反应