巨峰原产日本,系石原早生×森田尼的四倍体杂交种.树势较强,新梢粗壮、充实,定植第二年即开花结果。单粒重平均12克,单穗重400克左右,糖度高达17％以上。果粒黑紫色,大小粒现象不严重。适应性强,较抗病。落花落果严重,因此要作好疏花疏果工作,一般弱枝不留果;中庸枝留一穗果,壮枝上留两个穗果,每穗果实不得超过35粒,疏花疏果工作必须在盛长期后25 Jupiter native Japan, Department of Ishihara × Mori Nepalese tetraploid hybrids. Strong tree vigor, shoots thick, full, the second year of flowering that is the result of planting. Single grain weight average 12 grams, about 400 grams of single spike, sugar content as high as 17%. Black purple fruit, grain size is not serious. Adaptable, more resistant to disease. Therefore, we should make the work of thinning and thinning fruit, and the weak branch does not stay fruit. The middle branch leaves a branch of fruit, and the two branches of spike fruit stay on the branch. The fruit of each branch should not exceed 35 grains. Must be in the long after the 25