Abstract: 【Objective】Sugarbeet paired maintainer lines and male sterile lines′ cytoplasmic types were determined in order to provide theoretical basis and technical advice for breeding sugarbeet maintainer lines and male sterile lines.【Methods】40 sugarbeet test materials were identified using the generated VNTR specific primers TR1, TR2, TR3,and TR4, and the cytoplasmic types were separated according to the particular bands, which was combined with the research of fertility features in the field.【Results】Among the 21 materials to be selected for sterility type,the materials conforming to be Owen type were N9849-17-1,N9865-103-C1, N9857-5-1-TH1-400, MS321-C27-1-80, MS331-N70, MS343-80, MS117-3-6-4-2, MS301-500, MS351-80, MS327-70-80, MS333-70-80, MS335-N70, 2068B-2, MS151-1-16-301-400, MS317-1-8-301, MS313-506-600 and MS320-7-605-1-84. MS329-N70 was cytoplasm type N1 and MS323-503-600 was N2. Among the 19 fertile materials to be selected, 960767-201TH-1, 960764-1-11-1-1-400, OT322-C7-70-80, OT332-N70, OT352-80, OT328-70-80, BS301-13-9, OT352-80-1, OT342-80 and OT152-1-6-301-400 were found to be in line with the cytoplasm type N1, and OT302-500 was found to be in line with the cytoplasm type N2. 960766-1077-c1, OT344-80, OT118-4-5-4-4 and OT324-501-600 were Owen type. Six materials with inconsistent molecular identification results were MS351-80-1, MS341-80, OT152-1-1-1-C301, OT330-N70, OT334-70-80, and OT336-N70. The results of field investigation revealed that 960766-1077-c1, OT344-80, OT118-4-5-4-4 and OT324-501-600 were semi-fertile with Owen cytoplasmic types. MS329-N70 and MS323-503-600 were semi-sterile type Ⅱ and were not Owen cytoplasmic type.【Conclusion】The VNTR specific primers developed could be utilized to distinguish the cytoplasmic types of sugarbeet maintainer lines and male sterile lines. The results were consistent with the results of the field fertility feature identification.

Key words: Sugarbeet, VNTR, Cytoplasmic type, Fertility identification