PIWIS in the 2020 vegetation year by Wolfgang Renner - Austria

In the 2020 wine year, every seventh graft vine produced in Styria was fungus-resistant
Grape variety. But how do these innovative varieties come with the yearly
cope with more fluctuating weather conditions? Current experiences from the
Experimental cultivation is shown here in a compressed form.
Likewise, the assessments of the fungal attack per grape variety on July 8th and September 3rd