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GrainGenes Trait Study Report: Spike length, Li02

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Trait Study
Spike length, Li02
Trait
Spike length
Description
Spike length was scored in the Synthetic x Opata RI population sown in fall at two sites in Jiangsu province, eastern China and in northern California, USA.
Protocol
Spike length was recorded for mature lines as the average of at least 10 plants in a 1.5-m field row.
Environment
Jiangpu Synthetic/Opata 1999
Nanjing Synthetic/Opata 1999
Tulelake Synthetic/Opata 1995
Map Data
Wheat, Synthetic x Opata
Population Size
114
Population Type
F7+ single-seed-descent lines
QTL Analysis Method
Interval regression analysis
About 450 markers were used for mapping, with an average spacing of 8 cM.
Markers Tested
450
Image
Spike-length loci on 1A, 1B and 4A
Spikelet-number and spike-length loci on 7A
Trait Score
Spike length at Jiangpu 1999
Spike length at Nanjing 1999
Spike length at Tulelake 1995
Data Source
Nelson, James C.