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expand all sections collapse all sections  Oryza sativa QTL "CQI2"
ID 51360
Name CQI2 (QTL ACCESSION {description)
Synonyms (1) CQI2-NAUP
TO TERM {descriptionTO:0000527 (sodium uptake)
Trait Namesodium uptake
Trait SymbolNAUP
Type QTL
Species Oryza sativa (Oryza sativa) [ GR_tax:013681 ]
Germplasm
Description Na ion uptake (mmol) in the shoot on a dry mass basis. Three completely
randomized blocks containing all the lines were grown at the same time. The
hydroponic culture solution was salinized at 10 days after planting, by slowly
adding 5 M NaCl to the header tank of a recirculating pump so that the
concentration rose gradually to 50 mM over a period of about 24 h and was
maintained for 12 d, after which the concentration was increased to 100 mM for a
period of 8 days. The shoots were then harvested, dried, weighed, and extracted
in 100 mM acetic acid for 2 h at 90°C. Sodium and potassium were determined in
the extract by atomic absorption spectroscopy (Unicam 919, Unicam, Cambridge,
UK). QTL analysis was performed using the marker regression approach using the
software package QTL Café. Associations between genetic markers and traits were
detected by single-marker ANOVA for each trait using GENSTAT (P < 0.005).
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