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This article in AJ

  1. Vol. 49 No. 9, p. 506-508
     
    Received: Mar 11, 1957
    Published: Sept, 1957


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doi:10.2134/agronj1957.00021962004900090012x

Biologic Measurement of Environment as an Aid in Selection1

  1. J. E. Grafius22

Synopsis

Synopsis

Two models for classifying environment using standard varieties to measure the environment were proposed. Various schemes for selection were discussed and it was shown that it is not always advantageous to save the best lines. This paradox becomes less incredible when, for example, one considers that if a variety performs well at cool night temperatures relative to another, the reverse may be true at high night temperatures. Data were presented to support this point.

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