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甘薯新品种“渝苏30”选育研究 被引量:4

Studies on the Breeding of "Yusu 30", a Newly-Evolved Variety of Sweet Potato
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摘要 介绍了甘薯新品种“渝苏 30”的生产力和主要经济性状的鉴定结果 ,在 1997年至 1998年重庆市甘薯新品种区域试验中 ,鲜薯产量 35 80t/hm2 ,藤叶产量 2 4 90t/hm2 ,生物鲜产量 6 0 70t/hm2 ,生物干产量 12 5 0t/hm2 ,分别比对照“南薯 88”增产 9 31% ,14 43% ,11 36 %和 0 73% ,其薯干产量 9 0 3t/hm2 ,比对照“南薯 88”减产3 94% .它在生产上产量表现更好 .该品种萌芽性好 ,结薯较早 ,大中薯率 85 %以上 ,薯块烘干率 2 5 38% ,出粉率 11 87% ,氨基酸含量 0 71% .“渝苏 30”抗旱性强 ,抗黑斑病 ,贮藏性好 . The results of identifying the productivity and essential economic characters of a newly evolved sweet potato variety named 'Yusu 30'are introduced. In the regional test in Chongqing from 1997 to 1998,its average weights of fresh tuberous roots, fresh vine yield, fresh tuberous root and vine yield, dry tuberous root and vine yield are 35 80 t/hm 2,24 90 t/hm 2,60 70 t/hm 2 and 12 50 t/hm 2 respectively which increased 9 31%,14 43%,11 36% and 0 73% respectively comparing with those of 'Nanshu 88'. The dry matter yield is 9 03 t/hm 2 which decreased 3 94% comparing with that of 'Nanshu 88'. Its fresh tuberous root yield and fresh vine yield are especially higher than those of 'Nanshu 88' in production in Chongqing. The 'Yusu 30' has good bud bursting and easy storing properties, early tuberous growing. The rate of weight of 100 g tuberous root and over in total tuberous root is 85%,the content of dry matter is 25 38%,and producing starch is 11 87%,and amino acid is 0 71% in fresh tuberous root. The drought resistance and black rot resistance of the 'Yusu 30' is strong.
出处 《西南师范大学学报(自然科学版)》 CAS CSCD 北大核心 2002年第1期83-87,共5页 Journal of Southwest China Normal University(Natural Science Edition)
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