Peronosporaceae sentence example
- Peronosporaceae are a group of endophytic parasites - about ioo species - of great importance as comprising the agents of "damping off" disease (Pythium), vine-mildew (Plasmopara), potato disease (Phytophthora), onion-mildew (Peronospora).
- The Peronosporaceae reproduce themselves sexually by means of antheridia and oogonia as described in Pythium.
- The sexual reproduction shows all transitions between forms which are normally sexual, like the Peronosporaceae, to forms in which no antheridium is developed and the oospheres develop parthenogenetically.
- The oogonia, unlike the Peronosporaceae, contain more than one oosphere.Advertisement