Table 2. Colonization process of different parts of three chickpea cultivars showing differential resistance by Fusarium oxysporum f. sp. ciceris races 0 and 5a.
Time (days after inoculation) | Cultivar | ||
P-2245 | JG-62 | WR-315 | |
F. oxysporum f. sp. ciceris race 0 | |||
1 to 3 | Root (L): epidermis | Root (L): epidermis | Root (L): epidermis |
4 | Root (L): epidermis | Root (L): epidermis | Root (L): epidermis |
6 | Root (L): cortex | Root (L): cortex | Root (L): epidermis |
8 | Root (U): xylem vessels | Root (L): xylem vessels | Root (L): cortex |
10 | Stem (L): xylem vessels | Root (U): xylem vessels | Root (M): cortex |
12 | Stem (M): xylem vessels | Stem (M): xylem vessels | Root (M): cortex |
14 | Stem (U): xylem vessels | Stem (M): xylem vessels | Root (M): cortex |
F. oxysporum f. sp. ciceris race 5 | |||
1 to 3 | Root (L): epidermis | Root (L): epidermis | Root (L): epidermis |
4 | Root (L): cortex | Root (L): cortex | Root (L): epidermis |
6 | Root (L): xylem vessels | Root (M): cortex | Root (L): epidermis |
8 | Stem (L): xylem vessels | Epicotyl: xylem vessels | Root (L): cortex |
10 | Stem (M): xylem vessels | Stem (L): xylem vessels | Root (L): cortex |
12 | Stem (U): xylem vessels | Stem (M): xylem vessels | Root (L): xylem vessels |
14 | Stem (U): xylem vessels | Stem (U): xylem vessels | Root (L): xylem vessels |
Progress of pathogen proliferation along the vertical axis of the plant was analyzed in the following parts: Root: (L) lower: meristem, elongation and differentiation zones; (M) medium, (U) upper. Stem: (L) lower, internode 1 to 2nd; (M) medium, internode 3 to 4th; (U) upper, 5th internode or above.