What types can jujube fruits be divided into based on fruit shape

Classification by jujube fruit shape: (1) Long large jujube type, with strong tree vigor, strong extension ability of growing branches, narrow and long leaves with acuminate tips, and relatively dark leaf color; the fruit is relatively large, oblong or long columnar. It is relatively tolerant of poor soil, has strong stress resistance, and is prone to high yield; (2) Round large jujube type, with strong tree vigor, a large canopy, and relatively wide and short leaves with relatively blunt tips and dark leaf color. The fruit is large, round to nearly round, with a round or slightly sunken fruit apex. It has strong adaptability and a wide distribution; (3) Small jujube type, with relatively weak tree vigor and a relatively small canopy, suitable for close planting, and not tolerant of poor soil. The leaves are relatively large, the leaf color is light, the fruit is small, and the quality is good. There are oblong and round forms.