Persistent Link:
http://hdl.handle.net/10150/208343
Title:
Pima Cotton Genetics
Author:
Percy, R. G.; Turcotte, E. L.
Issue Date:
1991
Publisher:
College of Agriculture, University of Arizona (Tucson, AZ)
Journal:
Cotton: A College of Agriculture Report
Abstract:
An isozyme study of the diversity and structure of Goss_vpium nii revealed levels of genetic variation within the species which were high for an island endemic. Infraspecific diversity of G. darwinii was observed among populations of the various Galapagos Islands. Evidence of introgression of other Gossypium species into darwinii was noted. An investigation into the effects of altered Pima (G. barbadense) fiber genotypes on interspecific hybrid fiber characteristics indicated that parent genotype could significantly affect hybrid fiber length, strength, uniformity, and micronaire. However, hybrid heterosis for fiber length and micronaire greatly exceeded the influence of parent genotype. Hybrid fiber characteristics were unique, fitting within neither the extra -long staple nor long staple classifications. A conversion program to convert photoperiodic short-day accessions of a Gossvpium barbadense germplasm collection to day neutrality continues.
Keywords:
Agriculture -- Arizona; Cotton -- Arizona; Cotton -- Pima cotton breeding; Cotton -- Genetics
Series/Report no.:
370087; Series P-87

Full metadata record

DC FieldValue Language
dc.titlePima Cotton Geneticsen_US
dc.contributor.authorPercy, R. G.en_US
dc.contributor.authorTurcotte, E. L.en_US
dc.date.issued1991-
dc.publisherCollege of Agriculture, University of Arizona (Tucson, AZ)en_US
dc.identifier.journalCotton: A College of Agriculture Reporten_US
dc.description.abstractAn isozyme study of the diversity and structure of Goss_vpium nii revealed levels of genetic variation within the species which were high for an island endemic. Infraspecific diversity of G. darwinii was observed among populations of the various Galapagos Islands. Evidence of introgression of other Gossypium species into darwinii was noted. An investigation into the effects of altered Pima (G. barbadense) fiber genotypes on interspecific hybrid fiber characteristics indicated that parent genotype could significantly affect hybrid fiber length, strength, uniformity, and micronaire. However, hybrid heterosis for fiber length and micronaire greatly exceeded the influence of parent genotype. Hybrid fiber characteristics were unique, fitting within neither the extra -long staple nor long staple classifications. A conversion program to convert photoperiodic short-day accessions of a Gossvpium barbadense germplasm collection to day neutrality continues.en_US
dc.subjectAgriculture -- Arizonaen_US
dc.subjectCotton -- Arizonaen_US
dc.subjectCotton -- Pima cotton breedingen_US
dc.subjectCotton -- Geneticsen_US
dc.identifier.urihttp://hdl.handle.net/10150/208343-
dc.relation.ispartofseries370087en_US
dc.relation.ispartofseriesSeries P-87en_US
All Items in UA Campus Repository are protected by copyright, with all rights reserved, unless otherwise indicated.