Table 4.
Sclerotia formation and maturation of yellow (AMRL 36, 52) and black (AMRL 63, 74) morel strains grown on PDA medium, with and without polyethylene terephthalate (PET) membrane.
| Medium | Time (days) |
Strains/Sclerotia Number and Maturation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| AMRL 36 | AMRL 52 | AMRL 63 | AMRL 74 | ||||||
| I 1 | M 2 | I | M | I | M | I | M | ||
| PDA | 8 | + | − | + | − | + | − | + | − |
| 13 | + | − | + | − | ++ | * | + | − | |
| 21 | + | * | + | * | ++ | * | + | * | |
| PDA–PET | 12 | − | * | − | * | + | * | + | − |
| 22 | + | * | + | ** | ++ | ** | + | * | |
| 34 | ++ | * | ++ | ** | ++ | *** | ++ | * | |
1 I: Immature sclerotia (≤ 1 mm); − no sclerotia, + few (< 20), ++ adequate (> 20), +++ many (> 50). 2 M: Mature sclerotia (>1 mm); − no sclerotia, * few (< 20), ** adequate (> 20), *** many (> 50).