HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in ISI Web of Science Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via ISI Web of Science (5) Citing Articles via Google Scholar Google Scholar Articles by Jenkins, J. N. Articles by Stelly, D. M. Search for Related Content PubMed Articles by Jenkins, J. N. Articles by Stelly, D. M. Agricola Articles by Jenkins, J. N. Articles by Stelly, D. M. Related Collections Cotton Crop Genetics

CROP BREEDING & GENETICS

Genetic Effects of Thirteen Gossypium barbadense L. Chromosome Substitution Lines in Topcrosses with Upland Cotton Cultivars: I. Yield and Yield Components

^a Crop Science Research Laboratory, USDA-ARS, Mississippi State, MS 39762
^b Department of Plant and Soil Sciences, Mississippi State University, Mississippi State, MS 39762
^c Department of Soil and Crop Sciences, Texas A&M University, College Station, TX 77843-2474

^* Corresponding author(jnjenkins{at}ars.usda.gov)

Gossypium barbadense L. line 3–79 is lower in yield, has smaller bolls and longer, finer, and stronger fibers than upland cotton G. hirsutum L. Thirteen chromosome substitution (CS-B) lines with individual 3–79 chromosomes or arms substituted into TM-1, G. hirsutum, were top crossed with five elite cultivars and additive and dominance effects for the yield components, lint percentage, boll weight, seed cotton yield, and lint yield, were measured over four environments. Additive effects were greater than dominance effects for all traits. CS-B lines had smaller additive and homozygous dominance effects than the cultivars for most traits. Many CS-B lines had negative additive effects; however, chromosome substituted arms 22sh and 22Lo showed additive effects for lint yield that were significantly greater than homologous chromosome arms in TM-1. Hybrids of DP90 x CS-B15sh, ST 474 x CS-B17, and FM 966 x CS-B02 had positive dominance effects for lint yield significantly greater than the homologous chromosomes in TM-1. Several chromosomes or arms were associated with significant negative additive or dominance effects. These data provide a valuable baseline on yield components for the utility of these CS-B lines in commercial breeding programs. When individual chromosomes or chromosome arms, via CS-B lines, are used in crosses with cultivars, alleles for yield components on specific G. barbadense chromosomes were uncovered that showed positive interactions with alleles in elite germplasm.

Abbreviations: CS-B, Chromosome substitution line from G. barbadense • GCA, general combining ability • SCA, specific combining ability • RS, Recombinant substituted lines

This article has been cited by other articles:

				J. N. Jenkins, J. C. McCarty, J. Wu, S. Saha, O. Gutierrez, R. Hayes, and D. M. Stelly Genetic Effects of Thirteen Gossypium barbadense L. Chromosome Substitution Lines in Topcrosses with Upland Cotton Cultivars: II. Fiber Quality Traits Crop Sci., March 1, 2007; 47(2): 561 - 570. [Abstract] [Full Text] [PDF]