Table II. Phloem transport velocity toward the roots measured in different vascular bundles on the same plant.

Measurements were taken 7 d after the cotyledons unfolded. Values reported are average velocity (mm s^–1) with se in parentheses (n = 3).

Seedlings	First Bundle	Second Bundle
1	0.08 (0.01)	0.16 (0.02)
2	0.05 (0.00)	0.17 (0.00)
3	0.07 (0.01)	0.12 (0.01)