phil53 wrote:This year, I put under a ventilated tunnel (just protect rain) a foot of tomato. This confirms what Didier showed us. All other feet are ravaged, the one sheltered with healthy tomatoes that still bloom.
Do you mean he does not talk about bullshit, Didier?
At home, more continental climate: significant temperature variations, and consequently a lot of condensation, very early (July). So I have a lot of mildew anyway, even under the tunnel!
It just goes to show that we have to analyze a whole set: the "system"!