ArticleBMC genetics2014
Quantitative genetic parameters for yield, plant growth and cone chemical traits in hop (Humulus lupulus L.).
Article in BMC genetics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Association mapping for hop cone chemistry and morphology identifies natural beneficial allele stacks.The plant genome · 2026Article
- Performance of Hop Cultivars Grown with Artificial Lighting under Subtropical Conditions.Plants (Basel, Switzerland) · 2023Article
- Two fingerprinting sets for Humulus lupulus based on KASP and microsatellite markers.PloS one · 2022Article
- Pre evaluation of cassava (Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Genome-wide transcriptome profiling of transgenic hop (Humulus lupulus L.) constitutively overexpressing HlWRKY1 and HlWDR1 transcription factors.BMC genomics · 2018Article
- 3D Molecular Cytology of Hop (Frontiers in plant science · 2018Article
- Genomic approaches to selection in outcrossing perennials: focus on essential oil crops.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Review
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Authors and funding
4 authors.
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Abstract
backgroundMost traits targeted in the genetic improvement of hop are quantitative in nature. Improvement based on selection of these traits requires a comprehensive understanding of their inheritance. This study estimated quantitative genetic parameters for 20 traits related to three key objectives for the genetic improvement of hop: cone chemistry, cone yield and agronomic characteristics.
resultsSignificant heritable genetic variation was identified for α-acid and β-acid, as well as their components and relative proportions. Estimates of narrow-sense heritability for these traits (h2 = 0.15 to 0.29) were lower than those reported in previous hop studies, but were based on a broader suite of families (108 from European, North American and hybrid origins). Narrow-sense heritabilities are reported for hop growth traits for the first time (h2 = 0.04 to 0.20), relating to important agronomic characteristics such as emergence, height and lateral morphology. Cone chemistry and growth traits were significantly genetically correlated, such that families with more vigorous vegetative growth were associated with lower α-acid and β-acid levels. This trend may reflect the underlying population structure of founder genotypes (European and North American origins) as well as past selection in the Australian environment. Although male and female hop plants are thought to be indistinguishable until flowering, sex was found to influence variation in many growth traits, with male and female plants displaying differences in vegetative morphology from emergence to cone maturity.
conclusionsThis study reveals important insights into the genetic control of quantitative hop traits. The information gained will provide hop breeders with a greater understanding of the additive genetic factors which affect selection of cone chemistry, yield and agronomic characteristics in hop, aiding in the future development of improved cultivars.
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