On Thu, Dec 26, 2013 at 7:51 AM, Mark BROWN <brown.mark@wanadoo.fr> wrote: > I can't help wondering if the saprophytic fungal hyphae may exude some > substance which inhibits stagonospora? > But yes it could simply be competition that clears the staggy. > It's a very reasonable hypothesis. Fungi are well known for using chemical warfare. And using biochemicals to attack other fungi is all within the broad realm of competition and exclusion. > It would be an interesting topic for research. > Agreed. Nhu