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This article in AJ

  1. Vol. 50 No. 5, p. 267-270
    Received: Oct 25, 1957

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Vernalization of Immature Winter Wheat Embryos1

  1. D. E. Weibel2



Immature embryos of developing seeds of Comanche wheat, an obligate winter variety, were vernalized. Spikes were detached from 8 to 12 days after anthesis and chilled at 32 to 40° F. for 40 to 50 days with the stems in water in a refrigerator. Plants grown from these seeds produced heads only when subjected to a long-day photoperiod.

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