The quantity of xylem sap of grafted melon was more than own-root. The absorption capabilities of nitrogen and potassium were higher, but lower for phosphorus than the control. ZT, GAs and ABA concentrations in xylem sap were lower than own-root plant.

• 伤流液中玉米素(ZT)、赤霉素(GAs)和脱落酸(ABA)的浓度均低于自根植株,但ZT和GA的含量高于自根苗,而ABA的含量低于自根苗。