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红薯良种胜利百号,引进我省已20多年。它具有产量高、适应性广、晒干率高、扦插期要求不严等优点,在红薯产区深受群众欢迎,推广普及很快,鄂西北红薯主产地区,早已胜利百号良种化了。但由于这个品种在生产上长期栽培,选种不严,以致种性逐年退化,多数已失去原有优良性状。其表现为株形不一,薯形不同,蒂梗变长,尾根变粗,藤变长;黑斑病、毒素病亦随品种推广而传播,因而影响红薯的品质与产量。据报
Sweet potato varieties 100 victory, the introduction of our province has more than 20 years. It has the advantages of high yield, wide adaptability, high sun drying rate and strict requirements on cuttage. It has been widely welcomed by populace in sweet potato producing areas and popularized rapidly. The main producing areas of sweet potato in northwestern Hubei have long been the seeds of Victory 100 . However, due to the long-term cultivation of this variety in production and the lack of strict selection, the species degenerated year by year, most of which have lost their original good traits. The performance of different plant types, different potato shape, pedicel longer, thicker tail, rattan longer; black spot, toxin disease also spread with the promotion of variety, thus affecting the quality and yield of sweet potato. It is reported