黑麦(Secale cereale L.)联会复合体核型与染色体核型的比较研究(英文)

国内首次以“胜利”黑麦品系为材料,在电镜下观察联会复合作并分析了联会复合体核型。在同染色体核型比较后,认为“胜利”黑麦存在着两个可能的易位:1R长臂的一小段易位到6R短臂;4R长臂向2R长臂易位三单位长度,使4R长臂变成短臂。从而判断“胜利”黑麦为易位杂合体。这个研究方法可以在植物实验分类学研究中得到应用。

STUDY ON COMPARISON OF KARYOTYPES BETWEEN SYNAPTONEMAL COMPLEX AND CHROMOSOME IN RYE (Secale cereale L.)

Electron microscopy of observing rye synaptonemal complex with cellspreading method and analyzing the synaptonemal complex karyotype of the rye cultivar, Victory, was for the first time covered in China. It suggests that there are two chromosomal translocations in the variety. A small fraction of long arm of 1R translocated onto the shorts arm of 6R,and 3 units of the percentage length have translocated from the long armof 4R onto the long arm of 2R, so that the long arm has become the sho-rt arm of 4R. Accordingly, it is believed that the rye cultivar, Victory,is a translocation heterozygote. Perhaps the method is useful in the studies on experimental texonomy of plant.