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1994年我所由宁夏甜菜所引进宁单9204、宁单9216两个抗（耐）甜菜丛根病杂交种，经三年小区品种比较试验和一年病圃鉴定。结果表明两个杂交种较对照新甜七号增产、增糖显著，抗（耐）甜菜丛根病，在我区有一定的利用价值。
In 1994, we introduced Ningxia 9204 and Ningdan 9216 two resistant (resistant) sweetpotaceous rhizomania hybrids from Ningxia beet. After three years of plot comparison test and one-year nursery identification. The results showed that the two hybrids increased yield compared with the control Xintian No.7, with significant increase of sugar content and resistance to resistant root and shoot disease, which had certain utilization value in our district.