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进入21世纪美国选育出一批甜樱桃新品种,并注册获专利。现就其中两个介绍如下。1皇家明妮该品种来自加州莫德斯托试验园,代号6HB480,系自然授粉产生的实生苗,因需冷量低、开花早而被用作商业推广。该品种树体高大,长势旺盛,定植第1年树高达1.5米。枝条上的皮孔较大,中多。叶片较大,中厚,卵圆或椭圆形,平均长178毫米,宽54毫米,表面光滑,叶缘复锯齿状。叶柄长41毫米,叶柄上的两个蜜腺较大,红棕至棕色。每花序有4朵较大的花。初花时花瓣顶部为酡红色或玫瑰红色,无香味。1997年在美国加州,3月2日始花,3月10日盛花,5月1～8日采收。果实中大,卵圆
Into the 21st century, the United States bred a new batch of sweet cherry varieties, and registered a patent. Now two of them are introduced below. 1 Royal Minnie The variety from California Modesto Test Garden, code-named 6HB480, is a natural pollination of seedlings, due to the need to cold low flowering early was used as a commercial promotion. The variety of tall trees, strong growth, the first year of planting trees up to 1.5 meters. Leaks on the branches larger, more. Leaves larger, medium-thick, oval or oval, with an average length of 178 mm, width 54 mm, smooth surface, serrated leaves edge complex. Petiole 41 mm long, petiole on two large nectaries, reddish brown to brown. There are 4 larger flowers per inflorescence. Flower petals at the beginning of the top 酡 red or rose red, non-scented. In 1997 in California, USA, March 2 began to flower, March 10 full bloom, May 1 to 8 harvest. Fruit large, oval