TABLE 1.
Phenotypic variants isolated from different parts of alfalfa roots after rhizosphere colonization by P. fluorescens F113a
| Root partb | CFU (104) of phenotypic variants | Total CFU (104) per root | % of phenotypic variants per root |
|---|---|---|---|
| Basal part | <1 | 69.6 | <1 |
| Medium part | 87.7 | 896.4 | 9.8 |
| Root tip | 13.1 | 55.7 | 23.5 |
a
Roots were collected 3 weeks after inoculation. Experiments were done in triplicate, and results showed less than 15% standard variation.
b
Basal part, from the stem base to the beginning of secondary roots; medium part, the rest of the root system, including secondary roots; root tip, the last centimeter of the root.