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A comparison of methods for measuring effects of density and proportion in plant competition experiments

By: Contributor(s): Material type: ArticleLanguage: En Publication details: 1989ISSN:
  • 1550-2759 (Revista en electrónico)
  • 0043-1745
Subject(s): DDC classification:
  • 90-005894
 In: Weed Science v. 37, no. 2, p. 268-27590-005894Summary: Three approaches to data analysis were compared to describe competitive interactions between wheat and Italian ryegrass. Replacement series were performed using the two species at total densities of 100, 200, and 400 plants/m2, and separate monoculture experiments for each species at densities from 33 to 800 plants/m2. Approaches to data analysis included: 1) conventional analysis of replacement series experiments, 2) development of synthetic no-interaction responses from monoculture experiments for comparison with results from mixtures, and 3) responses of the reciprocal yield of individual plants to variation in densities of the two species.
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Item type Current library Collection Call number Copy number Status Barcode
Article CIMMYT Knowledge Center: John Woolston Library AGRIS Collection 90-005894 (Browse shelf(Opens below)) 1 Available 90-005894
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Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0043-1745

Three approaches to data analysis were compared to describe competitive interactions between wheat and Italian ryegrass. Replacement series were performed using the two species at total densities of 100, 200, and 400 plants/m2, and separate monoculture experiments for each species at densities from 33 to 800 plants/m2. Approaches to data analysis included: 1) conventional analysis of replacement series experiments, 2) development of synthetic no-interaction responses from monoculture experiments for comparison with results from mixtures, and 3) responses of the reciprocal yield of individual plants to variation in densities of the two species.

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