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This article in CS

  1. Vol. 15 No. 3, p. 393-397
     
    Received: Oct 8, 1974


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doi:10.2135/cropsci1975.0011183X001500030033x

Genetic Analysis of Leaf Differentiation Mutants in Upland Cotton1

  1. R. H. Dilday,
  2. R. J. Kohel and
  3. T. R. Richmond2

Abstract

Abstract

A series of leaf mutants in Gossypium hirsutum L. was tested for allelism and linkage, and three closely linked loci were established on chromosome 15. One locus is represented by a single mutant allele, crinkled leaf (crcr), and the other two loci are represented by a multiple allelic series. The two loci with the multiple allelic series were designated as strap leaf and veins-fused. Alleles of the strap leaf locus are rugose (srsr), Lubbock-1 (slsl), strap leaf (ss), norma(SS), and Heritable Abnormality-3 (ShSh). Alleles of the veins-fused locus are veins-fused (vfvf), normal (VfVf), and Heritable Abnormality-1 (VfhVfh).From independent two and three-point linkage data, we generated a calculated four-locus linkage map as follows: cr-O.20.s-l.20-vf-4.90-Lg [Lg = Green lint] The seven mutants tested all affect leaf development. Each of the three distinct loci appeared to function differently in leaf development and differentiation in cotton.

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