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This article in CS

  1. Vol. 17 No. 4, p. 645-646
     
    Received: Nov 15, 1976


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doi:10.2135/cropsci1977.0011183X001700040042x

Corn Hybrid Mixtures in a Southern Environment1

  1. D. L. Thompson2

Abstract

Abstract

Three corn (Zea mays L.) mixtures with relatively large maturity differences between their two component hybrids were tested to provide mixture information in a southern environment. Tests were small-plot trials at one location for 3 years for yield, ears/plant, ear weight, ear height, grain moisture, and erect plants. Five ratios were tested for each mixture: 1:0; 3:1; 1:1; 1:3; and 0.1. Regression responses were predominantly linear and indicate that mixture performances could be predicted from the performance of component hybrids in pure stands. Overcompensation was not detected. Mixtures are not practically appropriate at present but if circumstances were to develop indicating their use, only minimal verfication testing should be necessary.

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