搜索结果: 1-15 共查到“农学 linkage”相关记录17条 . 查询时间(0.156 秒)
白建江（2021）SLAF-Based linkage map construction and QTL mapping of nitrogen use efficiency in rice (Oryza sativa L.) （图）
氮素 水稻 Nipponbare OM052 氮肥利用率
2023/2/27
氮素是植物生长发育所需的大量元素之一，水稻是我国的主要粮食作物，水稻生产对氮的需求仅次于水，是构成水稻生长成本的主要部分。目前，水稻氮肥表观利用率只有39%，即施氮肥量的50%以上残留在环境中。因此，在保证产量不减的基础上如何提高氮肥的利用效率，减少氮肥的使用量是我国农业可持续发展亟待解决的重要问题。
QTLs identification for nitrogen and phosphorus uptake-related traits using ultra-high density SNP linkage
QTL F2 populations QTL mapping Nitrogen Phosphorus Rice
2023/4/21
To understand the genetic basis of nitrogen and phosphorus uptake in the cultivated rice, quantitative trait loci (QTL) analysis for 7 nitrogen and phosphorus uptake-related traits including above-gro...
Linkage Disequilibrium and Haplotype Block Structure in Portuguese Holstein Cattle
single nucleotide polymorphism GWAS dairy cattle
2018/3/5
The objectives of this study were to estimate linkage disequilibrium (LD), describe and scan a haplotype block for
the presence of genes that may affect milk production traits in Portuguese Holstein ...
Monitoring of operation loading of three-point linkage during ploughing
tractor plough soil properties
2016/4/5
The research was focused on operational measurements of tractor plough tools and their subsequent utilisation and
simulation under laboratory conditions by a hydrostatic simulator. In this field, th...
Polymorphism, linkage mapping, and association analysis with carcass traits of four porcine candidate genes selected from gene-expression profiles of Czech Large White and Wild Boar muscles
pig single nucleotide polymorphism DNA markers
2015/7/3
Genes that are expressed in skeletal muscles may play a role in prenatal muscle development and postnatal muscle growth and can be considered candidates for economically important traits. Four porcine...
Multiple Linkage Disequilibrium Mapping Methods to Validate Additive Quantitative Trait Loci in Korean Native Cattle (Hanwoo)
Single Nucleotide Polymorphism Hanwoo Carcass Quality
2016/5/18
The efficiency of genome-wide association analysis (GWAS) depends on power of detection for quantitative trait loci (QTL) and precision for QTL mapping. In this study, three different strategies for G...
A linkage among whole-stand model, individual-tree model and diameter-distribution model
forecast combination linkage parameter recovery stand growth and yield model
2015/3/19
Stand growth and yield models include whole-stand models, individual-tree models and diameter-distribution models. In this study, the three models were linked by forecast combination and parameter rec...
Linkage Disequilibrium Estimation of Chinese Beef Simmental Cattle Using High-density SNP Panels
Linkage Disequilibrium Single Nucleotide Polymorphisms Effective Population Size
2016/5/11
Linkage disequilibrium (LD) plays an important role in genomic selection and mapping quantitative trait loci (QTL). In this study, the pattern of LD and effective population size (Ne) were investigate...
University of Queensland (UQ) research into improving livestock feed has received a boost from two Australian government-funded industry engagement schemes.
Application of Linkage Disequilibrium Mapping Methods to Detect QTL for Carcass Quality on Chromosome 6 Using a High Density SNP Map in Hanwoo
QTL Linkage Disequilibrium Carcass Traits Hanwoo SNP
2016/5/6
The purpose of this study was to detect QTL for carcass quality on bovine chromosome (BTA) 6 using a high density SNP map in a Hanwoo population. The data set comprised 45 sires and their 427 Hanwoo s...
QTL Identification Using Combined Linkage and Linkage Disequilibrium Mapping for Milk Production Traits on BTA6 in Chinese Holstein Population
Fine Mapping QTL Bos Taurus autosome 6 Milk Production Traits
2016/5/5
Milk production traits are important economic traits for dairy cattle. The aim of the present study was to refine the position of previously detected quantitative trait loci (QTL) on bovine chromosome...
(Note) Inheritance and Linkage Analysis of the Yellow Pulvinus Mutant of Cotton
(Note) Inheritance Linkage Analysis Yellow Pulvinus Mutant Cotton
2008/12/15
Morphological mutants of cotton are used in genetic mapping studies and in studies of plant development, and occasionally have proven to have agronomic value. The objectives of this study were to dete...
Linkage Analysis of Transgenes Inserted into Cotton via Agrobacterium tumefaciens Transformation
Linkage Analysis Transgenes Cotton Agrobacterium tumefaciens Transformation
2008/12/15
The location of transgenes inserted into a genome are important in genetic studies and breeding programs. We conducted linkage analysis between 2,4-D resistant transgenes and 14 morphological marker g...
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
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...
林木遗传连锁图谱构建研究进展与发展方向Research Progress in Forest Tree Genetic Linkage Map Construction and Its Future Prospects
遗传连锁图谱 QTL定位 表达序列标签多态性（ESTP） 比较作图
2008/1/16
摘要本文就目前国内外林木连锁遗传图谱领域的研究进展进行了综述，指出了该领域研究中存在的主要问题，即一方面是作图个体的数量有限，另一方面是采用的标记以随机标记为主，导致了建成的图谱以及利用图谱获得的数量性状基因位点（QTLs）信息具有杂交组合特异性，造成了QTLs的可信度和在林木遗传改良以及标记辅助选择中的实用性降低等现象。针对存在的问题，讨论了根据林木生物学特点选择合适遗传标记的意义，指出进行林木...