color center

Relationship between chromocenter number in interphase nuclei of immature leaves and ploidy level in Populus was studied.

×beijingensis)杂种二倍体,以及该杂交组合经秋水仙碱诱导胚囊染色体加倍获得的三倍体为材料,对其细胞间期核染色中心数目及其与倍性水平的关系进行了研究。