‘秋黑宝’葡萄是‘瑰宝’(二倍体)和‘秋红’(二倍体)的杂交种子经秋水仙碱诱导染色体加倍选育而成的欧亚种四倍体中熟新品种。果穗圆锥形,平均单穗质量437g;果粒为短椭圆形或近圆形,平均单粒质量7.13g,果皮紫黑色;果肉较软,味甜,具玫瑰香味,可溶性固形物含量为23.40%,总糖19.96%,总酸0.40%,糖酸比为49.9︰1,品质上等;种子大,多为2粒。果实完全成熟期在8月中下旬,树势中庸,成花容易,抗病性强,适应性强。 ’Autumn dark treasure’ grapes are ’gem’ (diploid) and ’autumn red’ (diploid) hybrid seed colchicine-induced chromosome doubling breeding Eurasian species of tetraploid mid-ripe new varieties . The average number of ears per panicle is 437g. The fruit is short oval or nearly circular with the average single grain weight of 7.13g. The pericarp is purple and black. The flesh is soft and sweet, with aroma of rose. The soluble solid content is 23.40% , Total sugar 19.96%, total acid 0.40%, sugar acid ratio of 49.9 ︰ 1, of the highest quality; seeds, mostly 2. The fruit is completely mature in late August, tree moderate, easy flowering, disease resistance, adaptability.