Biochemical analyses of inbreds and their heterotic hybrids in maize.

Abstract excerpt

Since Shull's original description of heterosis, breeders have made wide use of this phenomenon. However while breeders and agronomists have been utilizing heterosis as a means of improving crop productivity, the biological basis of heterosis remains unknown. It is generally believed that our understanding of heterosis will greatly enhance our ability to form new genotypes either to be used directly as F1 hybrids...

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