Table 4.

Colonization dynamics of YL6-GFP in leaves, roots and rhizosphere soil of Chinese cabbage.

	Colonization number of YL6-GFP (lg CFU/g dry weight)
	1 week	2 weeks	3 weeks
Rhizosphere soil	4.2	4.3	4.3
Roots	3.3	4.2	4.5
Leaves	0	0	3.9