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expand all sections collapse all sections  Oryza sativa QTL "CQO4"
ID 50703
Name CQO4 (QTL ACCESSION {description)
Synonyms (1) CQO4-ANTLG
Published Symbol {descriptionctb-2
TO TERM {descriptionTO:0000531 (anther length)
Trait Nameanther length
Trait SymbolANTLG
Type QTL
Species Oryza sativa (Oryza sativa) [ GR_tax:013681 ]
Germplasm
Description The QTL was identified in the NIL derived from 12 recombinants in a segregating
population BT4 derived from a single plant heterozygous for introgression on
Chr4. This plant was derived from a BC2 population of a cross between Syo6 and
Kirara397. Syo6 contains introgressed segments on chr3 and chr4 from BC1F5 lines
derived from the cross Kirara397/Norin-PL8//Kirara397. Norin-PL8 and Kirara397
are cold-tolerant and cold-sensitive varieties respectively. MAPL97 used for
interval mapping and StatView 5.0 was used for analysis of variance between
marker classes. The trait was assayed by by measuring the anther length of 80
anthers from 40 spikelets from each of the NIL plant. The experiment was carried
out on plants grown under field and green house conditions. The QTL is closely
associated with the QTL for cold tolerance (QTL accession:CQO1) present in the
same region. The average anther length for Norin-PL8 and Kirara397 was 2.36 and
1.82 mm respectively.
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