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中文摘要：
采用染色体常规制片法，结合显微摄影技术对罗布麻染色体进行检测分析。结果表明：罗布麻染色体数为2n＝14，核型公式是2n=14=6M＋2m＋4sm（1SAT）＋2T，全组染色体总长度为35．92pm，长臂总长为21.92μm，核型不对称系数（ASK％）为60．97％，总体积为15．19μm^3。
英文摘要：
The chromosomes were tested and analyzed through normal method for prepearing slides with the technique of microphotography. The results showed that the chromosom number of Apocynum Venetum Linn. was 2n= 14. The formula of karyotype was 2n=14=6M＋2 m＋4 sm（1SAT）＋2 T. The total length of all set of chromosomes was 35. 92 μm and the total length of long arms was 21.92μm. Asymmetric coefficient of karyotype was 60. 97 %. The total voluem was 15. 19μm^3.
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