| Subject | French | English |
| nat.sc., agric. | pythium de la betterave | blackleg of beet (Phoma betae, Pythium debaryanum) |
| nat.sc., agric. | pythium de la betterave | root rot of beet (Phoma betae, Pythium debaryanum) |
| nat.sc., agric. | pythium de la betterave | beet damping-off (Phoma betae, Pythium debaryanum) |