![](http://www.alamy.com/thumbs/6/7D1712EF-BD70-4757-B4B6-45207D5833DF/2JAA712.jpg)
Primary infection of powdery mildew Podosphaera leucotricha on apple leaves at high magnification.
Size: 5007px × 3338px
Location: Poland
Photo credit: © Tomasz Klejdysz / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: agriculture, apple, close, closeup, control, damage, day, disease, diseases, environment, field, flora, fungal, fungi, fungus, garden, gardening, green, illness, infected, infection, leaf, mechanical, mildew, natural, nature, orchard, outdoor, pathogen, pathology, pest, plant, podosphaera, powdery, pruning, tree