皇家秋天由美国加州农业大学育成，1996年发表，为欧亚种。我场1999年引入，高接2 666．8m2，2000年666．7m2产量2 000kg。t果穗大，呈纺锤形，较松散，穗重1．3～1．8kg。果实椭圆形，紫黑色，不用任何激素处理果粒重达10g左右，是目前世界上最大的无核葡萄。味甘甜，含糖18％ The Royal Autumn was bred by the California Agricultural University in the United States and published in 1996 as the Eurasian species. My field was introduced in 1999, followed by a high of 6666.8m2, 2000 666.7m2 production 2000kg. t Big ears, was spindle-shaped, loose, ear weight 1.3 ~ 1.8kg. Fruit oval, purple and black, without any hormones processing fruit weighing about 10g, is the world’s largest seedless grape. Sweet, sugary 18%