Are there new, systemic fungicides on the horizon?
Francois Verhaert has provided much information about systemic rust fungicides approved for use in Europe: BOSCOR has been (successfully) used by England’s Robert Grant-Downton but as far as I know the company who made BOSCOR has stopped producing it. Until recently “knowledgeable” people over here recommended the use of Bayfidan SPECIAL (Bayfidan = for agricultural use – Bayfidan Special has been tested for use on ornamentals)… BASF Europe has a new fungicide ready which will be marketed soon. It is called OPERA and is a mixture of BAS 500 (touted at MWS) & OPUS (a TRUE systemic fungicide, travelling throughout the ENTIRE plant). BUT – as always – OPERA has only been tested on large commercial crops (wheat etc.) and my contact could/would not advise me on how to use OPERA on ornamentals… OPERA has officially been granted a permission to sell in Germany. These are not approved for any use in the USA or Canada, and that situation is not likely to change because of daylilies. It shou
