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expand all sections collapse all sections  Zea mays subsp. mays QTL "DQI23"
ID 54111
Name DQI23 (QTL ACCESSION {description)
Synonyms (0) None.
TO TERM {descriptionTO:0000478 (abscisic acid concentration)
Trait Nameabscisic acid concentration
Trait SymbolABACONC
Type QTL
Species Zea mays subsp. mays (Maize) [ GR_tax:014546 ]
Germplasm
Description Mapping population: 80 F3:4 random families derived from a cross between Os420
and IABO78. The experiment was conducted in 1994 and 1995 at Cadriano, Italy.12
plants were grown in each pot. An adequate level of water stress was achieved by
controlling irrigation at approximately 50% of actual evapotranspiration. 8
central plants from each pot. Samples (the third distal portion of the leaf
lamina) of the fifth and the third leaf from the top at growth stage 3 (rapid
stem elongation stage, see Hanway, 1963) and stage 4 (2-3 days before anthesis)
were collected in 1994 and 1995 trials and measured for L-ABA concentration.
Composite interval mapping was used to identify QTLs. A putative QTL was
declared signifcnat when the LOD score was > 2.0. The sample used for idnetify
the present QTL was from Stage 4 of 1995 trial.
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