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Abstract

 

This article in AJ

  1. Vol. 57 No. 3, p. 293-296
     
    Received: Sept 28, 1964


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doi:10.2134/agronj1965.00021962005700030023x

The Growth and Yield of Corn. IV. Environmental Effects on Grain Yield Components of Mature Ears1

  1. A. L. Hatfield,
  2. G. R. Benoit and
  3. J. L. Ragland2

Synopsis

Synopsis

Corn was grown in 6 environmental combinations in each of 2 years. Grain yield was related to emergence date and to total hours of daylight during the grain formation period. The correlation of ear components with yield and with themselves was drastically affected by environmental factors associated with season of growth and soil moisture. The variations in the numerical values due to environmental changes suggest that ear component analysis in a suboptimum environment is of little value for determining genetic inheritance.

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