Category:Apple powdery mildew and its control in the arid regions of the Pacific Northwest (1918)

Media in category "Apple powdery mildew and its control in the arid regions of the Pacific Northwest (1918)"

The following 3 files are in this category, out of 3 total.

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  Apple powdery mildew and its control in the arid regions of the Pacific Northwest (1918) (19557563870).jpg 2,124 × 3,172; 2.65 MB
  
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  Apple powdery mildew and its control in the arid regions of the Pacific Northwest (1918) (19719402896).jpg 2,128 × 3,060; 1.14 MB
  
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  Apple powdery mildew and its control in the arid regions of the Pacific Northwest (1918) (19745604785).jpg 2,036 × 3,188; 2.63 MB