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经过连续7年的系统调查、区域试验和综合性状评价研究,结果表明,美国油桃品种‘北冰洋之星’在辽宁省日光温室中综合性状表现良好、稳定。果实近圆形,平均单果重151.9 g,最大单果重312.7 g,果面底色白,90%以上果面鲜红色,有光泽;果肉白色,有香气,可溶性固形物含量12.8%,可溶性糖含量7.29%,可滴定酸含量0.31%,品质上等,去皮硬度12.7 kg/cm2,在室温条件下可贮藏7 d左右;在日光温室内果实发育期90 d左右;自花结实率高,在蜜蜂授粉条件下,坐果率达48.6%;定植后第2年开始结果,第3年进入盛果期,4年生树每667 m2产量达2 740 kg;适宜在辽宁省各地日光温室栽培。
After seven years of systematic investigation, regional trials and comprehensive evaluation of the traits, the results showed that the comprehensive performance of the United States nectarine ’Arctic Star’ was good and stable in the solar greenhouse of Liaoning Province. The fruit was nearly round with an average fruit weight of 151.9 g and a maximum fruit weight of 312.7 g. The fruit surface color was white and over 90% of the fruit surface was bright red and shiny. The pulp was white with aroma and the content of soluble solids was 12.8%. The soluble sugar content 7.29%, titratable acid content of 0.31%, high quality, peel hardness of 12.7 kg / cm2, stored at room temperature for about 7 d; in the greenhouse of fruit development period of about 90 d; Bees pollination conditions, the fruit set rate of 48.6%; 2 years after planting the results began in the third year into full fruit, 4-year-old tree yield of 2 740 kg per 667 m2; suitable for cultivation in various solar greenhouse in Liaoning Province.