Home > History of Wine > Eradicating the Grape Leaf Hopper during the early 1910s

Eradicating the Grape Leaf Hopper during the early 1910s


I love the intensity of man on the left who is looking directly at the photographer.

Fig. 1.—Rod and Single Cyclone Nozzle Used to Apply Spray to Underside ofGrape Foliage. Power Supplied by Tractor Sprayer. Vineyard of Mr. H. H.Harper, North East, Pa. (Original.) [1]

Fig. 1.—Rod and Single Cyclone Nozzle Used to Apply Spray to Underside ofGrape Foliage. Power Supplied by Tractor Sprayer. Vineyard of Mr. H. H.Harper, North East, Pa. (Original.) [1]


[1] Johnson, Fred. The grape leafhopper in the Lake Erie Valley. 1914. URL: https://openlibrary.org/books/OL25518229M/The_grape_leafhopper_in_the_Lake_Erie_Valley

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