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This article in CS

  1. Vol. 28 No. 4, p. 609-610
     
    Received: Nov 7, 1987
    Published: July, 1988


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doi:10.2135/cropsci1988.0011183X002800040006x

Inheritance of Rosette-Raceme in Guar

  1. R. E. Stafford 
  1. Cropping Systems Research Laboratory, Route 3, Box 215, Lubbock, TX 79401

Abstract

Abstract

Abnormal plants occur from time to time in cultivated fields of guar [Cyamopsis tetragonoloba (L.) Taub]. Abnormalities due to genetic change have potential for use as genetic markers in a breeding program. A mutant having a rosette-raceme and reduced fertility was found in a released breeding line, TX76-328S, growing near Hluwe in Natal, South Africa. Inheritance of the rosette-raceme trait was investigated. Rosette-raceme was found to be inherited as a monogenic recessive and is expressed on every raceme. The name rosette-raceme and the gene symbol, ros, are proposed for the new mutant trait. This trait should be useful in genetic studies as an easily identifiable phenotype.

Contribution from the USDA-ARS.

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