Pre-harvest sprouting resistance in bread wheat: a speed breeding approach to assess dormancy qtl in backcross lines

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dc.contributor.authorAyık, Burak
dc.contributor.authorGüleç, Tuğba
dc.contributor.authorAydın, Nevzat
dc.contributor.authorTürkoğlu, Aras
dc.contributor.authorBocianowski, Jan
dc.date.accessioned2025-01-12T17:20:22Z
dc.date.available2025-01-12T17:20:22Z
dc.date.issued2024
dc.departmentKMÜ, Mühendislik Fakültesi, Biyomühendislik Bölümü
dc.departmentKMÜ, Teknik Bilimler Meslek Yüksekokulu, Bitkisel ve Hayvansal Üretim Bölümü
dc.description.abstractIn this study, BC1F3:4 generation plants derived from the hybrid crosses of Rio Blanco x Nevzatbey, Rio Blanco x Adana99, and Rio Blanco x line 127 were used as experimental material. These hybrids incorporated QTLs associated with pre-harvest sprouting (PHS) resistance through molecular techniques. Key agronomic traits, including plant height, spike length, the number of grains per spike, grain weight, and physiological maturity, were evaluated in both greenhouse and growth room settings under accelerated growth (speed breeding) conditions. Results indicated that plants grown in the fully controlled greenhouse conditions exhibited superior agronomic performance compared with those cultivated in the growth room. Additionally, germination tests were conducted on each hybrid cross to identify genotypes exhibiting dormancy. The analysis revealed that 11 lines from the Rio Blanco x Nevzatbey combination, eight lines from Rio Blanco x Adana99, and six lines from Rio Blanco x Line 127 had notably low germination indices. Among the three hybrid families, the Rio Blanco x Nevzatbey BC1F3:4 hybrids demonstrated the lowest germination index (0.44). Furthermore, Rio Blanco itself recorded the lowest germination index under both greenhouse (0.02) and growth room (0.24) conditions. These findings suggest that environmental conditions exert a significant influence on the expression of dormancy in these genotypes, even when dormancy genes are present. The lines developed in this research have the potential to serve as elite material in breeding programs aimed at enhancing pre-harvest sprouting resistance.
dc.identifier.citationBurak Ayık, Tuğba Güleç, Nevzat Aydın, Aras Türkoğlu, & Jan Bocianowski. (2024). Pre-harvest sprouting resistance in bread wheat: a speed breeding approach to assess dormancy qtl in backcross lines. Plants, 13(23), 3437. https://doi.org/10.3390/plants13233437
dc.identifier.doi10.3390/plants13233437
dc.identifier.issn2223-7747
dc.identifier.issue23
dc.identifier.pmid39683230
dc.identifier.scopus2-s2.0-85211810805
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/plants13233437
dc.identifier.volume13
dc.identifier.wosWOS:001376125900001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorAydın, Nevzat
dc.institutionauthorAyık, Burak
dc.institutionauthorGüleç, Tuğba
dc.institutionauthoridAyık, Burak/0000-0002-6069-5313
dc.institutionauthoridGüleç, Tuğba/0000-0002-1755-1082
dc.institutionauthoridAydın, Nevzat/0000-0003-3251-6880
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofPlants-Basel
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectwheat
dc.subjectdormancy
dc.subjectpre-harvest sprouting
dc.subjectspeed breeding
dc.titlePre-harvest sprouting resistance in bread wheat: a speed breeding approach to assess dormancy qtl in backcross lines
dc.typeArticle

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