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expand all sections collapse all sections  Oryza sativa QTL "CQK2"
ID 52370
Name CQK2 (QTL ACCESSION {description)
Synonyms (1) CQK2-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 potted plant experiments carried out in green house at Hangzhou, China. The
two seedlings of every line were potted with 15 kg of air-dried soil per pot and
every line was planted in three pots. The temperature in the greenhouse ranged
from 22C to 39C. The experiments were maintained under flooded conditions during
the growing period. 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. It is an epistatic loci for panicle number QTL
(feature accession ID: CQK9) on chr-8. It contributes about 7% of total
variation.
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