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Article: Genetic and environmental variation in sorghum starch properties

TitleGenetic and environmental variation in sorghum starch properties
Authors
KeywordsEnvironment
Genotype
Sorghum
Starch properties
Issue Date2001
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jcs
Citation
Journal Of Cereal Science, 2001, v. 34 n. 3, p. 261-268 How to Cite?
AbstractStarch was isolated from eight local Zimbabwean landrace varieties, an improved cultivar (SV2) and a hybrid (DC-75) of sorghum grown in four environments. Amylose content, pasting (peak (PV), hot-paste (HPV), cool-paste (CPV) viscosity), textural and thermal (gelatinisation peak temperature (Tp) and gelatinisation energy (ΔH)) properties of the starches were determined. The F-tests from analyses of variance detected significant (p<0.001) differences among genotypes and growing environments for the starch properties measured. The results indicate that a range of genetic and environmental variability exists for these traits in sorghum genotypes although the latter could be greater than varietal effects. Hybrid DC-75 largely differed in starch amylose content, pasting PV, and gel hardness from the local landrace varieties. Environments used for local landrace varieties caused significant differences in starch properties, hence selection and monitoring of growing conditions is essential if a particular genotype is to maintain minimum variation in the desired pasting, textural or thermal properties. Genotype x environment interactions indicate that in breeding programmes, selection for starch properties at a single location would be misleading. © 2001 Academic Press.
Persistent Identifierhttp://hdl.handle.net/10722/68578
ISSN
2015 Impact Factor: 2.402
2015 SCImago Journal Rankings: 1.265
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorBeta, Ten_HK
dc.contributor.authorCorke, Hen_HK
dc.date.accessioned2010-09-06T06:05:50Z-
dc.date.available2010-09-06T06:05:50Z-
dc.date.issued2001en_HK
dc.identifier.citationJournal Of Cereal Science, 2001, v. 34 n. 3, p. 261-268en_HK
dc.identifier.issn0733-5210en_HK
dc.identifier.urihttp://hdl.handle.net/10722/68578-
dc.description.abstractStarch was isolated from eight local Zimbabwean landrace varieties, an improved cultivar (SV2) and a hybrid (DC-75) of sorghum grown in four environments. Amylose content, pasting (peak (PV), hot-paste (HPV), cool-paste (CPV) viscosity), textural and thermal (gelatinisation peak temperature (Tp) and gelatinisation energy (ΔH)) properties of the starches were determined. The F-tests from analyses of variance detected significant (p<0.001) differences among genotypes and growing environments for the starch properties measured. The results indicate that a range of genetic and environmental variability exists for these traits in sorghum genotypes although the latter could be greater than varietal effects. Hybrid DC-75 largely differed in starch amylose content, pasting PV, and gel hardness from the local landrace varieties. Environments used for local landrace varieties caused significant differences in starch properties, hence selection and monitoring of growing conditions is essential if a particular genotype is to maintain minimum variation in the desired pasting, textural or thermal properties. Genotype x environment interactions indicate that in breeding programmes, selection for starch properties at a single location would be misleading. © 2001 Academic Press.en_HK
dc.languageengen_HK
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/jcsen_HK
dc.relation.ispartofJournal of Cereal Scienceen_HK
dc.subjectEnvironmenten_HK
dc.subjectGenotypeen_HK
dc.subjectSorghumen_HK
dc.subjectStarch propertiesen_HK
dc.titleGenetic and environmental variation in sorghum starch propertiesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0733-5210&volume=34&spage=261&epage=268&date=2001&atitle=Genetic+and+environmental+variation+in+sorghum+starch+propertiesen_HK
dc.identifier.emailCorke, H: harold@hku.hken_HK
dc.identifier.authorityCorke, H=rp00688en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1006/jcrs.2000.0379en_HK
dc.identifier.scopuseid_2-s2.0-0035214745en_HK
dc.identifier.hkuros65888en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035214745&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume34en_HK
dc.identifier.issue3en_HK
dc.identifier.spage261en_HK
dc.identifier.epage268en_HK
dc.identifier.isiWOS:000172194800004-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridBeta, T=6603223650en_HK
dc.identifier.scopusauthoridCorke, H=7007102942en_HK
dc.identifier.citeulike7099100-

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