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Table 4 Discrete QTL, both specific and pleiotropic/linked, identified in hop; and the sex, yield and cone chemistry traits affected by each locus

From: Quantitative trait loci in hop (Humulus lupulusL.) reveal complex genetic architecture underlying variation in sex, yield and cone chemistry

QTL region Specificity Linkage group No. traits Traits
QTL region 1 pleiotropic Nugget 1 2 methyl decanoate; methyl dec-4-enoate
QTL region 2 pleiotropic Nugget 1 & Hallertauer Magnum 1 4 α-acid:β-acid; caryophyllene; xanthohumol; dry cone weight
QTL region 3 specific Nugget 1 2 humulene; humulene:caryophyllene
QTL region 4 specific Nugget 1 2 δ-cadinene; γ-cadinene
QTL region 5 pleiotropic Nugget 1 4 α-acid; humulone + adhumulone; cohumulone; α-selinene
QTL region 6 pleiotropic Nugget 2 18 cohumulone; cohumulone (% of α-acid); β-acid; colupulone; colupulone (% of β-acid); α-acid:β-acid; methyl decanoate; humulene diepoxide a; humulol;, β-pinene; myrcene; terpinene; β-selinene; caryophyllene; humulene; muurolene; xanthohumol; essential oil content
QTL region 7 pleiotropic Nugget 5 8 α-acid; humulone + adhumulone; β-acid; lupulone + adlupulone; colupulone; linalool; myrcene; humulene
QTL region 8 specific Nugget 5 1 ρ-cymene
QTL region 9 pleiotropic Nugget 5 3 methyl-4-methylhex-2-enoate; 2-undecanone; farnesene
QTL region 10 specific Nugget 7 3 β-acid; lupulone + adlupulone; α-acid:β-acid
QTL region 11 pleiotropic S.B.L. 3/3 3 3 β-acid; lupulone + adlupulone; limonene
QTL region 12 pleiotropic S.B.L. 3/3 3 11 α-acid:β-acid; methyl decanoate; 2-undecanone; humulol; t-cadinol; α-capaene; γ-cadinene; caryophyllene; farnesene; humulene; muurolene
QTL region 13 specific S.B.L. 3/3 5 & S.B.L. 2/1 5 1 sex
QTL region 14 specific S.B.L. 3/3 6 1 terpinene