Summer Black 
 Three times the body of the latest nuclear-free varieties, high sugar content. Ear compact, weight 450-500g, oval-shaped fruit, the natural grain weight 3-3.5g, treated up to 7-8g; fruit coloring strong, dark purple, concentrated fruit powder; thick-skinned meat hard and brittle, soluble solids up to 20-22%, concentrated sweet and refreshing, with a rich strawberry flavor, good quality. Strong tree vigor, disease resistance, fruit of the Health and solid, is a rare set of very early, large grain, high-quality, disease-resistant, easy to color, resistance to transport in one of the nuclear variety. Zhangjiagang mature in early July, has left the tree can be saved to 10 months, no cracking, no shattering, no aftertaste, not softened. Comprehensive performance than Venus nuclear, Rahim special prison, 8611,8612 and other seedless varieties, is a large area south of the better open field cultivation very early maturing varieties.