Query (optional)   in Class  All Allele Author Colleague Collection Assembly Gene Gene Class Gene Product Germplasm Image Journal Keyword Library Locus Map Map Data Marker Pathology Polymorphism Probe Protein QTL Rearrangement Reference Sequence Species Trait Trait Study Two Point Data  

---

GrainGenes Trait Study Report: Spike length, Li02

[Submit comment/correction]

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.

GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture.