Grapevine powdery mildew
unlike most other grapevine pathogens, it does not require free water (such as rain or dew) to infect, making it a persistent threat throughout the entire [...] chasmothecia to ensure its survival through the winter. Given the polycyclic nature, preventive measures and early-season management are critical to break the [...] mildew vary according to the phenological growth stage and the severity of the infection. Early signs manifest as chlorotic (pale green to yellow) spots, which