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Armyworm defoliation in corn as seen on ir aerial photographs (1976)

Chiang, H. C. ; Meyer, M. P. ; Jensen, M. S.

Springer

Entomologia experimentalis et applicata 20 (1976), S. 301-303

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ISSN: 1570-7458

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract A corn field partially under attack by armyworms was photographed in 1973 with 70 mm Aerochrome Infrared Type 2443 film and a Wratten 12 filter at scales of 1/15,840 and 1/6,336 during the early silking stage. In 1974, in the absence of armyworm defoliation, the field was again overflown at the same plant stage, and with the same camera/film/filter configuration used in 1973. Defoliation was not detectable on otherwise healthy corn plants (i.e., no drought stress); but defoliation was detected on plants already under stress due to drought.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00573835

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