Table 3 Morpho-cultural characteristics of Fusarium oxysporum Schlecht. Causing chilli wilt.
Fungal propagule | Shape | Colour | Size | Septation |
---|---|---|---|---|
Colony | Floccose, abundant aerial mycelium | Initially white, turning felted, peach brown at agar base | 90Â mm dia. In 10Â days | - |
Hyphae | Smooth, cylindrical and branched | Hyaline | 3.00—4.80 | Septate |
Conidiophores | Cylindrical, short and simple | Hyaline | 87.40–112.50 × 2.50- 5.00 µm | Septate |
Microconidia | Ellipsoidal to cylindrical, straight or curved borne on short simple philaids | Hyaline | 6.80–16.00 × 3.50–4.00 µm | 0-1Septate |
Macroconidia | Fusiform, pointed at both ends, basal cells pediculate | Hyaline | 32.50–44.00 × 4.00–5.50 µm | 2- 4 Septate |
Clamydospores | Spherical, smooth and rough walled, Produced terminally, latterly or intercalary | Hyaline | 5.00–11.00 µm | - |