• Résultats pour
    • peronosporales
  • (5)
Downy mildew (Peronospora parasitica) mycelium and lesion on underside of Oilseed rape (Brassica napus napus) leaf.
01631397
Nigel Cattlin / Downy mildew (Peronospora parasitica) mycelium and lesion on underside of Oilseed rape (Brassica napus napus) leaf.
Downy mildew (Pseudoperonospora cubensis), a water mould, causing lesions on the leaf of a Cucumber plant (Cucumis sp.), Greece, Europe.
01689774
Nigel Cattlin / Downy mildew (Pseudoperonospora cubensis), a water mould, causing lesions on the leaf of a Cucumber plant (Cucumis sp.), Greece, Europe.
Damping off disease caused by pathogen (Pythium ultimum) damage to maize, corn or sweetcorn seedling.
01689742
Nigel Cattlin / Damping off disease caused by pathogen (Pythium ultimum) damage to maize, corn or sweetcorn seedling.
Pythium blight / Grease spot (Pythium spp.) damage to Bluegrass ( Poa sp.) on lawn, USA.
01689663
Nigel Cattlin / Pythium blight / Grease spot (Pythium spp.) damage to Bluegrass ( Poa sp.) on lawn, USA.
Downy mildew (Peronosclerospora sorghi) infection symptoms on the upper leaves of Maize / Corn (Zea mays) plant, USA.
01689658
Nigel Cattlin / Downy mildew (Peronosclerospora sorghi) infection symptoms on the upper leaves of Maize / Corn (Zea mays) plant, USA.