Ethephon significantly increased the sucrose contents in cane of immature internodes, but not in those of mature variety and (or) mature internodes.

• 乙烯利对甘蔗蔗糖分的影响因品种和节间而异，乙烯利显著提高未成熟节间的甘蔗蔗糖分，但对成熟甘蔗和（或）成熟节间的甘蔗蔗糖分影响不大。