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Transcriptome and QTL analyses reveal candidate genes for fiber quality in Upland cotton
棉花 纤维发育 QTL 转录组 表达基因
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2024/5/17
本研究基于前期得到的1个F2群体、1个重组自交系群体和2个永久回交群体得到了15个在多群体或者多年分稳定检测的QTL位点。基于转录组测序，在两亲本间发育10天的纤维进行差异基因鉴定，得到了780个差异基因。通过对QTL和转录组结果联合分析，在9个QTL区间内得到31个基因，其中有9个在纤维中优异表达的基因。在这9个基因中，有7个基因在纤维伸长期高量表达，2个基因在纤维次生壁加厚期高量表达。该研究为...
Examining two sets of introgression lines across multipleenvironments reveals background‑independent and stably expressedquantitative trait loci of fiber quality in cotton
陆海渐渗系 纤维品质 QTL 棉花
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2024/5/17
首次利用两套陆海渐渗系鉴定纤维品质QTL，探讨遗传背景和环境对纤维品质QTL表达的影响，揭示了遗传背景对纤维品质QTL表达的影响明显大于环境因素；在全基因组上鉴定到稳定的QTLs 109个，不受背景影响的QTLs 9个。其中，61个稳定的QTLs，包括2个不受背景影响的QTLs，是新发现的；鉴定到19个含有多个纤维品质性状的优良等位基因的QTL簇，为进一步棉花分子育种提供了重要信息和理论指导。
Genome-wide quantitative trait loci reveal the genetic basis of cotton fiber quality and yield-related traits in a G.hirsutum recombinant inbred line population
0-153 sGK9708 棉花产量 品质性状
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2024/5/17
利用0-153和sGK9708为亲本构建的RIL群体为材料，通过全基因组QTL挖掘明确了棉花产量及品质性状的相关性及其与QTL簇加性效应方向的关系，初步揭示了棉花产量纤维品质性状负相关形成的遗传基础，为进一步利用标记辅助选择、基因组编辑等技术同步改良棉花纤维品质和产量提供了重要的基因资源和位点信息。该研究以0-153*SGK9708为亲本构建的含有196个重组自交系群体为材料，在黄河流域及西北内陆...
Cotton Planting Date and Plant Population Effects on Yield and Fiber Quality in the Mississippi Delta
Cotton Planting Date Plant Population Yield Fiber Quality
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2009/4/30
Cotton producers in the Mississippi Delta plant in the early spring, but wet, cold weather often develops that may reduce plant population directly or indirectly. Producers must occasionally decide if...
Effect of Cultivar Blends on Fiber Quality, Lint Yield, and Gross Return of Upland Cotton in West Texas
Cultivar Blends Fiber Quality Lint Yield Gross Return of Upland Cotton
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2009/4/30
During the years 2001 and 2002, field trials were conducted to study the effect of blending different cotton cultivars on fiber quality, lint yield, and lint yield stability across environments. Four ...
Heterosis and Combining Ability for Yield Components and Fiber Quality Parameters in a Half Diallel Cotton（G. hirsutum L.）Population
Cotton diallel analyses heterosis general and specific combining ability
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2009/1/13
Combining ability and heterosis were determined in a population obtained from the half diallel crossing of 6 different cotton genotypes for yield components and fiber quality parameters. For breeding...
Interactive Effect of Nitrogen and Boron on Cotton Yield and Fiber Quality
Cotton foliar-B treatment N rates yield
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2009/1/12
This study aimed to determine the effect of application rates of N and B on cotton yield and fiber quality. Suregrow 125 (Gossypium hirsutum L.) was grown on a clay soil having an average 0.38 mg kg-...
Cotton Growth, Lint Yield, and Fiber Quality as Affected by Row Spacing and Cultivar
Cotton Growth Lint Yield Fiber Quality Row Spacing Cultivar
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2008/12/15
Modern transgenic cotton (Gossypium hirsutum L.) cultivars with herbicide resistance have rejuvenated an interest in ultra-narrow row cotton production, primarily because of the reduction of weed cont...
(Review) Quantitation of Fiber Quality and the Cotton Production-Processing Interface: A Physiologist's Perspective
(Review) Quantitation Fiber Quality the Cotton Production-Processing Physiologist's Perspective
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2008/12/15
Traditionally, ideal cotton (Gossypium ssp.) fibers are said to be as white as snow, as strong as steel, as fine as silk and as long as wool. It is difficult to incorporate these specifications favore...
Lint Yield, Lint Percentage, and Fiber Quality Response in Bollgard, Roundup Ready, and Bollgard/Roundup Ready Cotton
Lint Yield Lint Percentage Fiber Quality Response Bollgard Roundup Ready Cotton
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2008/12/15
Transgenic cotton (Gossypium hirsutum L.) with the Bollgard (BG) genes, the Roundup Ready (RR) gene, or both (BG/RR) has been grown commercially since 1996, 1997, and 1997, respectively. Because genes...
Effects of a Short-term Corn Rotation on Cotton Dry Matter Partitioning, Lint Yield, and Fiber Quality Production
a Short-term Corn Rotation Cotton Dry Matter Lint Yield Fiber Quality Production
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2008/12/10
Although cotton (Gossypium hirsutum L.) has traditionally been grown under a continuous monoculture production system in the Mississippi Delta, some cotton producers have begun rotating their land wit...
Genetic Linkage Map and QTL Analysis of Agronomic and Fiber Quality Traits in an Intraspecific Population
Intraspecific Population Fiber Quality Traits Agronomic Genetic Linkage Map
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2008/5/26
Molecular markers may enhance breeding for quantitatively inherited traits. We developed a restriction fragment length polymorphism (RFLP) genetic linkage map of cotton (Gossypium hirsutum L.) from 11...