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Table 1 Condensed list of barley traits that have been measured using the Steptoe × Morex DHL population and are available for analysis through GeneNetwork.

From: Towards systems genetic analyses in barley: Integration of phenotypic, expression and genotype data into GeneNetwork

DEVELOPMENTAL TRAITS
Trait ID Method/equipment Location Reference
Germination Frequency of the germinating grains 10 cp
Emergence of the second leaf (ESL) Single-leaf frequency (ESL-f) and length ratio of the second and the first leaf (ESL-r) 3 cp
Heading date Time interval to heading or anthesis 1–16, 17–20 cp, [22]
Height Distance from ground to collar at maturity 1–16, 17–20 cp, [22]
Lodging Stems < 45 degree angle to ground (1–9) 1–16, 17–20 cp, [22]
Maturity Maturity of the plot (1–9) 17–20 cp
Normalized difference vegetation index (NDVI) GREENSEEKER http://www.ntechindustries.com 17–20 cp
Head length Distance from peduncle to the awn tip 17–20 cp
Post harvest sprouting Frequency of the germinating grains 10 cp
Head loss Frequency of the tillers with no heads 3 cp
Grain loss Frequency of the heads with no spikelets. 3 cp
Thousand grain weight (TGW). TGW = 1000 × weight/seed number. 17–20, 25 cp
Grain morphometrics. MARVIN and ImageJ 17–20, 25 cp
QUALITY TRAITS
Endosperm cell wall modification. Calcuflor staining, ImageJ analysis 20 cp
Nitrogen content or grain protein Micromalting 1–20 cp, [22]
Malt extract Micromalting 1–22 cp,[22]
Fementability Micromalting 1–3 cp
Hot water extract Micromalting 1–3 cp
Milling energy (J) COMPARAMILL 1–3 cp
Predicted spirit yield Micromalting 1–3 cp
Grain moisture content Moisture content of sample % 1–3 cp
Diastatic power Micromalting 7–22 [22]
Alpha amylase Micromalting 7–22 [22]
INTERACTION WITH PATHOGENS
Leaf rust (Puccinia hordeii) Relative Latency Period 24 [60]
Net bloch (Pyrenophora teres) Frequency of the infection types 6 [61]
Scald (Rhyncosporium secalis) Disease severity 25 cp
Spot bloch (Cochliobolus sativus) Frequency of the infection types 6 [62]
Stem rust (Puccinia graminis) Frequency of the infection types 6 [13]
  1. Detailed descriptions of the traits are here: http://genenetwork.org/dbdoc/SXMPublish.html
  2. Environments/years/source:
  3. 1 – SCRI, 2002; 2 – SCRI, 2003; 3 – SCRI, 2004; 4 – SCRI, 2005; 5 – SCRI; 2006; 6 – Minnesota; 7 – Crookston, Minnesota; 8 – Ithaca, New York; 9 – Guelph, Ontario; 10 – Pullman, Washington; 11 – Brandon, Manitoba; 12 – Outlook, Saskatchewan; 13 – Goodale, Saskatchewan; 14 – Saskatoon, Saskatchewan; 15 – Tetonia, Idaho; 16 – Bozeman, Montana (irrigated); 17 – Bozeman, Montana (dryland); 18 – Aberdeen, Idaho; 19 -Klamath Falls, Oregon; 20 – Pullman, Washington; 21 – Bozeman, Montana (irrigated); 22 – Bozeman, Montana (dryland); 23 – Japan (Kazuhiro Sato, seeds for morphometrics); 24 – Wageningen; 25 – Giessen. cp – current paper.