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This article in AJ

  1. Vol. 76 No. 1, p. 168-170
     
    Received: June 6, 1983
    Published: Jan, 1984


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doi:10.2134/agronj1984.00021962007600010042x

An Improved Screen-Cage Design for Use in Plant and Insect Research1

  1. Lavone Lambert2

Abstract

Abstract

Large screened cages are often necessary for certain types of plant and insect research. Traditionally, the cage frames have been constructed of wood and covered with wire and plastic screen. These cages are very expensive to construct and maintain. To reduce the cost of doing research in screened cages and to improve their serviceability, a 614.4 m2 metal frame, screen-covered cage for inclusion and exclusion of insects was developed. This cage should be of interest to plant breeders and entomologists who work in areas such as host plant resistance to insects, biological control, insect population dynamics, and controlled pollination. The cage is 2.4 m high × 19.2 m wide × 32.0 m long and cost $5450 (1982 prices) including all labor. Cage construction costs spread over the usable life of the cage frame are estimated to be only 44% of those for a wood frame cage. In addition, maintenance costs of the metal frame cage arc: only a fraction of those for a wood frame cage.

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