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✎ Suggest a correctionOutlines how the Dutch Elm disease kills, how it spreads by beetle and root graft and control measures. Shows scientific research both for better control and for resistant varieties of plants.
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- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
- 16mm Filmography (legacy record) — catalog record
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