【摘要】 甜研３０６（原组合代号８４０９）系以二倍体多粒种雄性不育系ＭＳ２０１４Ａ为母本，两个多粒型四倍体品系４０１和４０９为父本杂交而成的三倍体雄性不育杂交种，该品种经过１９８５～１９８６年所内小区试验，１９８８～１９８９年“七五”国家品种攻关区域试验和１９９０年生产示范，具有丰产性好、含糖率高、抗（耐）褐班病和根腐病能力较强，以及适应性强等优点，属于标准偏丰产型品种，产质量表现均优于当地对照品种。更多还原

【Abstract】 Tianyan 306(the code of primary combination was 8409)is sugarbeet triploid MS triploidMS hybriue,It aquired by hybrization between diploid multigerm MS 2014A(as female par-ent)and two multigerm tetraploid line 401 and 409 (as male parent).The small plot experi-ment carried out in the institute during 1 985～1986 and it also passed through the regionalthet of“7.5”national variety attack during 1988～1989.The production demonstration wascarried out in 1 990.The outstanding characteristic is that has high yield and suger content,resistanee to leaf spot and root and with stronger adaptability.It belong to NE type and itshown that has higher yield and goo d quality than o ther local recomma nd ing varieties.更多还原