Flowering phenology in a Eucalyptus loxophleba seed orchard, heritability and genetic correlation with biomass production and cineole: breeding strategy implications.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
17 09 2020
17 09 2020
Historique:
received:
28
01
2020
accepted:
27
08
2020
entrez:
18
9
2020
pubmed:
19
9
2020
medline:
15
12
2020
Statut:
epublish
Résumé
Reproductive synchronicity within a seed orchard facilitates gene exchange and reduces self-fertilisation. Here we assessed key flowering traits, biomass and foliar 1,8-cineole concentrations of Eucalyptus loxophleba (subsp. lissophloia and gratiae) in an open-pollinated seed orchard. Monthly flowering observations were made on 1142 trees from 60 families and nine provenances across 2 years. The percentage of trees flowering in both years was similar at 87%. There were differences between provenances and families within provenances for flowering traits, biomass and 1,8-cineole and interactions between provenances and year for flowering traits. Heritability of start and end flowering, and 1,8-cineole were high to moderate ([Formula: see text] = 0.75-0.45) and duration of flowering, propensity to flower and biomass estimates were moderate to low ([Formula: see text] = 0.31-0.10). Genetic and phenotypic correlations between flowering traits were high (r
Identifiants
pubmed: 32943731
doi: 10.1038/s41598-020-72346-3
pii: 10.1038/s41598-020-72346-3
pmc: PMC7499158
doi:
Substances chimiques
Eucalyptol
RV6J6604TK
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
15303Références
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