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Evaluating Corn Varieties for Resistance to Damage by Blackbirds and Starlings / PP. Woronecki, RA. Dolbeer, DL. Otis

Conference Author
Vertebrate Pest Control and Management Materials: 5th Volume (5th : 1986 : San Diego, California)
Physical Description
1 online resource (12 pages) : illustrations, figures, tables
Additional Creators
Dolbeer, RA., Otis, DL., Woronecki, PP., American Society for Testing and Materials, and ASTM International
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Summary
Because of many uncontrolled variables, it is difficult to study the influence of crop varieties and crop maturity on bird damage under field conditions. To achieve some degree of control in our evaluations of bird damage to corn, we constructed an outdoor aviary with 24 cages (1.5 by 5.0 by 1.0 m), each capable of holding up to ten birds. Racks designed to hold eight husked or unhusked ears of corn in a natural field position were constructed for the cages. This design allowed the evaluation of bird damage to field and sweet corn, controlling for such factors as bird species and sex, bird numbers, duration of damage, maturity of corn, and varieties. In addition, varieties could be tested under both free-choice (up to eight varieties) and no-choice (only one variety) regimes in replicated experiments. By measuring ear and husk characteristics, we could determine which characteristics were most closely associated with differences in damage among varieties. Varieties showing high degrees of resistance in the aviary could then be evaluated in replicated field experiments. With minor modifications, these procedures could be used to evaluate bird damage resistance in other agricultural crops.
Dates of Publication and/or Sequential Designation
Volume 1988, Issue 974 (January 1988)
Subject(s)
Other Subject(s)
ISBN
9780803150461 (e-ISBN)
9780803109919
0803109911
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 21.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1988. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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