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expand all sections collapse all sections  Oryza sativa QTL "CQK16"
ID 52412
Name CQK16 (QTL ACCESSION {description)
Synonyms (1) CQK16-PNNB
TO TERM {descriptionTO:0000152 (panicle number)
Trait Namepanicle number
Trait SymbolPNNB
Type QTL
Species Oryza sativa (Oryza sativa) [ GR_tax:013681 ]
Germplasm
Description The field experiment was carried out at Hangzhou, China. The germinated seeds
were sown in a seedling bed on May 10, 1999, and seedlings were transferred to a
paddy field 30 days later, with a single plant per hill spaced at 15 × 20 cm.
Four-row plots were planted with eight plants per row, with parents being grown
after every tenth plot as a control. The central eight plants in each plot were
used for measuring panicle number. Panicle number was recorded after harvest.
Fertility and cultivation practices were consistent with optimum rice production
for these regions. One-way ANOVA (SAS/6.11, GLM) and interval-mapping analysis
(Mapmaker/QTL) were performed for detecting molecular markers and QTLs.
Epistasis for variations in the parameters was analyzed using the program
QTLmapper. P < 0.005 for the Type-I error and a log-10 likelihood ratio (LOD)
value of 2.4 were used as criteria to indicate putative QTL positions. The
effects of a single allele substitution (assuming additivity between alleles)
and R2 values for each of the putative QTLs were estimated.
Correlation analysis between the measurement parameters was performed using the
correlation procedure of SAS.
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