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This article in CS

  1. Vol. 8 No. 3, p. 281-282
     
    Received: Sept 2, 1967
    Published: May, 1968


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doi:10.2135/cropsci1968.0011183X000800030005x

Potassium in Mature Kernels of Normal and Opaque-2 Maize1

  1. Samuel F. Goodsell2

Abstract

Abstract

In 63 paired comparisons, among progenies of Zeamays L., opaque-2 kernels averaged 41% higher concentration and 27% more total K than translucent kernels Irom selfed or sib-pollinated ears borne on F1 plants of inbred X opaque-2 parents. Progenies averaging 11.0% protein were 0.37 and 0.52% K for translucent and opaque-2 kernels, respectively. Progenies averaging 15.5% protein were 0.38 and 0.53% K for translucent and opaque-2 kernels, respectively. The concentration of K was significantly higher for the opaque-2 kernels from 38 samples of 16 inbred X opaque-2 crosses and 25 samples of Illinois High Protein X opaque-2 crosses. Data indicate that the high K concentration in opaque-2 kernels may he controlled by the same gene system responsible for the opaque-2 character.

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