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This article in CS

  1. Vol. 10 No. 6, p. 665-667
     
    Received: Mar 19, 1970


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doi:10.2135/cropsci1970.0011183X001000060017x

A Chlorotic Mutation in Wheat1

  1. J. P. Gustafson,
  2. B. C. Curtis and
  3. V. E. Youngman2

Abstract

Abstract

A ‘corroded’ mutation was found in ‘Wichita’ wheat (Triticum aestivum L.) which was expressed as chlorotic bands bisecting the leaves. Genetic and environmental factors as well as histological effects of the mutation were studied. The mutation was controlled by a single recessive gene. The expression of the mutation was not inhibited by variations in temperature. The mutation was expressed under conditions of continuous light and continuous darkness.

A histological study showed that the plastids were the first to break down and disappear. Nuclear material was the next to disappear, followed by complete collapse of epidermal and parenehymatic cell walls. Walls of vascular bundles and sclerenchymatic tissue were the last to collapse.

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