Identification and genomic location of a reniform nematode (Rotylenchulus reniformis) resistance locus (Ren ari ) introgressed from Gossypium aridum into upland cotton (G. hirsutum)

Gabriela Beatriz Romano, Erik J. Sacks, Salliana R. Stetina, A. Forest Robinson, David D. Fang, Osman A. Gutierrez, Jodi A. Scheffler

Research output: Contribution to journalArticle

Abstract

In this association mapping study, a tri-species hybrid, [Gossypium arboreum × (G. hirsutum × G. aridum)2], was crossed with MD51ne (G. hirsutum) and progeny from the cross were used to identify and map SSR markers associated with reniform nematode (Rotylenchulus reniformis) resistance. Seventy-six progeny (the 50 most resistant and 26 most susceptible) plants were genotyped with 104 markers. Twenty-five markers were associated with a resistance locus that we designated Ren ari and two markers, BNL3279-132 and BNL2662-090, mapped within 1 cM of Ren ari . Because the SSR fragments associated with resistance were found in G. aridum and the bridging line G 371, G. aridum is the likely source of this resistance. The resistance is simply inherited, possibly controlled by a single dominant gene. The markers identified in this project are a valuable resource to breeders and geneticists in the quest to produce cotton cultivars with a high level of resistance to reniform nematode.

Original languageEnglish (US)
Pages (from-to)139-150
Number of pages12
JournalTheoretical and Applied Genetics
Volume120
Issue number1
DOIs
StatePublished - Jan 1 2009
Externally publishedYes

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Rotylenchulus reniformis
Gossypium
Dominant Genes
Gossypium hirsutum
Nematoda
Gossypium arboreum
genomics
geneticists
loci
dominant genes
chromosome mapping
cotton
cultivars

ASJC Scopus subject areas

  • Biotechnology
  • Agronomy and Crop Science
  • Genetics

Cite this

Identification and genomic location of a reniform nematode (Rotylenchulus reniformis) resistance locus (Ren ari ) introgressed from Gossypium aridum into upland cotton (G. hirsutum). / Romano, Gabriela Beatriz; Sacks, Erik J.; Stetina, Salliana R.; Robinson, A. Forest; Fang, David D.; Gutierrez, Osman A.; Scheffler, Jodi A.

In: Theoretical and Applied Genetics, Vol. 120, No. 1, 01.01.2009, p. 139-150.

Research output: Contribution to journalArticle

Romano, Gabriela Beatriz ; Sacks, Erik J. ; Stetina, Salliana R. ; Robinson, A. Forest ; Fang, David D. ; Gutierrez, Osman A. ; Scheffler, Jodi A. / Identification and genomic location of a reniform nematode (Rotylenchulus reniformis) resistance locus (Ren ari ) introgressed from Gossypium aridum into upland cotton (G. hirsutum). In: Theoretical and Applied Genetics. 2009 ; Vol. 120, No. 1. pp. 139-150.
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