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Crop Science Abstract -

Variety ✕ Environment Interactions in Cotton Variety Tests in the Delta of Mississippi1


This article in CS

  1. Vol. 9 No. 6, p. 837-838
    Received: Mar 1, 1969

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  1. R. R. Bridge,
  2. W. R. Meredith Jr. and
  3. J. F. Chism2



Eight cotton varieties were evaluated at three locations for a 3-year period to estimate the magnitude of variety ✕ environment interactions. The presence of a substantial variety ✕ location ✕ year interaction for lint yield, lint percentage, and weight per boll indicated that varieties showed differential responses when grown in different environments. With the exception of fiber elongation and 50% span length, the second order interactions were larger than either of the first order interactions; however, with the exception of lint yield, the magnitude of these interactions was small in comparison with the varietal components, and thus may be considered relatively unimportant. The lack of a significant variety ✕ location or a variety ✕ year interaction for all characters measured, indicated that neither locations nor years had any consistent effects on differential variety responses.

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