育种材料 meaning in English

breeding material

Its use is limited to the preservation of breeding material or the establishment of clonal seed orchards .
其用途仅限于保持育种材料或建立无性系种子园。
Maize transformation is limited by the receipant materials . only a few inbreds , such as a188 , b73 and their derived inbreds , can regenerate well , while those elite ones that are widely used are not easy to transform successfully
目前，玉米转化仅限于少数培养性能好的自交系材料，如a188 、 b73及其衍生系，而对农艺性状优良的自交系应用较少，本研究旨在建立一套稳定、高效的遗传转化体系，包括优良受体材料的选择和培养基配方的改良，同时获得抗除草剂的优良玉米育种材料。