Educational19249 min720×480

HIDDEN FOES IN SEED POTATOES

National Archives

Education

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About

HIDDEN FOES IN SEED POTATOES Produced: 1924

Description Shows how degenerative diseases of potatoes (the mosaic, the leaf-roll, and the spindling tuber) can be detected. Emphasizes that these diseases pass from seed to potato plant and result in reduced potato yields. Shows how disease-free seed potatoes can be selected.

https://catalog.archives.gov/id/7197

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Internet Archive, in FedFlix: US government films
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National Archives
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