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Genetic analysis of two new quantitative trait loci for ear weight in maize inbred line Huangzao4
Alternative TitleGenet. Mol. Res.
Liu, X. H.; Zheng, Z. P.; Tan, Z. B.; Li, Z.; He, C.
2010
Source PublicationGenetics and Molecular Research
Volume9Issue:4Pages:2140-2147
AbstractEar weight is one of the most important agronomic traits considered necessary in maize (Zea mays L.) breeding projects. To determine its genetic basis, a population consisting of 239 recombinant inbred lines, derived from the cross Mo17 x Huangzao4, was used to detect quantitative trait loci (QTLs) for ear weight under two nitrogen regimes. Under a high nitrogen fertilization regime, one QTL was identified in chromosome bin 2.08-2.09, which explained 7.46% of phenotypic variance and an increase in ear weight of about 5.79 g, owing to an additive effect. Under a low nitrogen regime, another QTL was identified in chromosome bin 1.10-1.11; it accounted for 7.11% of phenotypic variance and a decrease of 5.24 g in ear weight, due to an additive effect. Based on comparisons with previous studies, these two QTLs are new loci associated with ear weight in maize. These findings contribute to our knowledge about the genetic basis of ear weight in maize.
KeywordMaize (Zea Mays L.) Ear Weight Quantitative Trait Locus Nitrogen Regime Recombinant Inbred Line Microsatellite Markers Yield Components Tropical Maize Resistance Population Qtls
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Indexed BySCI
Language英语
WOS IDWOS:000284324400015
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11478
Collection研究所(批量导入)
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GB/T 7714
Liu, X. H.,Zheng, Z. P.,Tan, Z. B.,et al. Genetic analysis of two new quantitative trait loci for ear weight in maize inbred line Huangzao4[J]. Genetics and Molecular Research,2010,9(4):2140-2147.
APA Liu, X. H.,Zheng, Z. P.,Tan, Z. B.,Li, Z.,&He, C..(2010).Genetic analysis of two new quantitative trait loci for ear weight in maize inbred line Huangzao4.Genetics and Molecular Research,9(4),2140-2147.
MLA Liu, X. H.,et al."Genetic analysis of two new quantitative trait loci for ear weight in maize inbred line Huangzao4".Genetics and Molecular Research 9.4(2010):2140-2147.
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