It’s very common to hear people talk about “boosting the immunity” of plants as a way to avoid spraying. Unfortunately, it’s not that simple, says Jamie Goode.
Recently-created resistant PIWI – ‘pioneering wine’ – grape varieties that take their name from the German term pilzwiderstandsfähig (fungus-resistant), are increasingly seen by viticulturists as a viable solution to emerging environmental and climatic challenges.