搜索结果: 1-15 共查到“作物遗传学 lines”相关记录18条 . 查询时间(0.117 秒)
Identification of candidate genes for key fibre-related QTLs and derivation of favourable alleles in Gossypium hirsutum recombinant inbred lines with G. barbadense introgressions
海岛棉 基因组组分 遗传作图群体
2021/9/18
该研究以渗入了海岛棉基因组组分的优质种质鲁原343为亲本，构建了包含239个重组自交系的遗传作图群体，利用SLAF标签构建了高密度遗传图谱，结合7个环境的表型数据，共鉴定104个纤维品质和产量性状QTLs，其中66个QTL共定位于19个QTL簇中。该研究团队通过进一步对鲁原343进行全基因组深度测序，解析鲁原343的遗传组成及其对纤维相关性状的遗传贡献，发现来自G. hirsutum races（...
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
2021/9/18
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。
Quantitative trait loci for resistance to Sharp Eyespot (Rhizoctonia cerealis) in recombinant inbred wheat lines from the cross Niavt 14 × Xuzhou 25
genetic map molecular marker QTL Rhizoctonia cerealis Sharp Eyespot wheat
2016/12/8
This paper studies QTL (quantitative trait locus) resistance to Sharp Eyespot in wheat using a genetic population of the recombinant inbred line (RIL) hybridized from Niavt 14 and Xuzhou 25. Based on ...
Stem rust resistance in 1BL.1RS and 2RL.2BS double wheat-rye translocation lines
backcrossing durable resistance minor genes Puccinia graminis f.sp. tritici
2015/12/29
The wheat stem rust pathogen, Puccinia graminis f.sp. tritici, is a significant and devastating disease of wheat crops worldwide. Wheat has many wild relatives in which to source new resistance genes,...
New resistance sources to Russian wheat aphid (Diuraphis noxia) in Swedish wheat substitution and translocation lines with rye (Secale cereale) and Leymus mollis
alien introgressions aphid resistance Dnr genes Triticum aestivum 1R
2015/12/29
Russian wheat aphid is an important pest in many wheat growing countries of the world. Different resistance genes to the pest have previously been identified. However, some biotypes of the pest are vi...
Common bunt resistance of Czech and European winter wheat cultivars and breeder lines
Bt genes SSRs Tilletia tritici Tilletia laevis
2014/9/22
Winter wheat cultivars recently registered in the Czech Republic were tested in three-year field tests for resistance to common bunt. Seeds were inoculated with a mixture of local strains of Tilletia ...
Differential response of maize hybrid and its parental lines to salinity stress
antioxidant enzymes Na+ proline salinity stress sugars Zea mays L.
2013/2/24
We studied differences in salt stress response between two parental maize genotypes and their hybrid of the first filial (F1) generation. We determined their membrane stability index in addition to th...
Estimates of genetic parameters for yield and yield attributes in elite lines and popular cultivars of India’s pearl millet
PCV GCV heritability genetic advance
2010/9/14
Estimation of genetic parameters would be useful in developing appropriate selection strategies. Heritability is a measure of possible genetic advancement under selection. The research work pertaining...
Growth and Water Use Response of Doubled-Haploid Rice Lines to Drought and Rewatering during the Vegetative Stage
Drought Drought recovery Osmotic adjustment Rainfed lowland Rice Water potential Water use efficiency
2009/7/24
We examined the responses of doubled-haploid lines (DHLs) of rice (Oryza sativa L.) to drought and rewatering in controlled rainfed lowland conditions, to test the the hypothesis that the DHLs would p...
Utilizing Chromosome Segment Substitution Lines (CSSLs) for Evaluation of Root Responses to Transient Moisture Stresses in Rice
Aerenchyma Chromosome segment substitution line (CSSL) Drought Lateral roots Oryza sativa Rice Soil moisture Stagnant
2009/7/23
Drought and waterlogging that occur sequentially under field conditions are important abiotic stresses affecting plant growth and development. The ability to maintain the root system development durin...
Identification of QTLs for Improvement of Plant Type in Rice (Oryza sativa L.) Using Koshihikari / Kasalath Chromosome Segment Substitution Lines and Backcross Progeny F2 Population
Backcross progeny CSSLs Leaf Panicle Plant type QTL Rice (Oryza sativa L.)
2009/7/23
Thirty-nine chromosome segment substitution lines (CSSLs) population derived from a Koshihikari/Kasalath cross was used for quantitative trait locus (QTL) analysis of plant type in rice (Oryza sativa ...
Response to GA and Variation of the Culm Length in Doubled Haploid Lines of Wheat
Culm length Doubled haploid Gibberellic acid response Hordeum bulbosum Intergeneric cross Triticum aestivum Zea mays
2009/7/23
An F1 hybrid with the semi dwarf genes, Rht1 and Rht2, was crossed with Hordeum bulbosum and maize (teosinte) (bulbosum method and maize method) to produce doubled haploid (DH) lines, and 102 seedling...
The QTL Analysis of RuBisCO in Flag Leaves and Non-Structural Carbohydrates in Leaf Sheaths of Rice Using Chromosome Segment Substitution Lines and Backcross Progeny F2 Populations
Backcross progeny Chromosome segment substitution lines (CSSLs) Leaf sheath Non-structural carbohydrate (NSC) QTL Rice (Oryza sativa L.) RuBisCO
2009/7/21
In rice (Oryza sativa L.), the maintenance of high photosynthetic rate of flag leaves and the carbon remobilization from leaf sheaths after heading is a critical physiological component affecting the ...
Production of Doubled Haploid Lines for Genetic Analysis of Useful Characters of Malting Barley
Genetic analysis Doubled haploid lines Barley Molecular marker H. bulbosum L.
2009/7/8
To develop a DNA marker assisted selection system for lines with recessive resistance gene to all races of barley yellow mosaic virus (BaYMV), we produced doubled haploid lines (DHLs) of barley (Horde...
Evaluation of Blast Resistance Isogenic Lines in Rice Variety Koshihikari
Oryza sativa L blast resistance isogenic line Koshihikari multiline variety rice variety
2009/7/8
Eight blast resistance isogenic lines, “Koshihikari Niigata BL No. 1, No. 2, No. 3 and so on, were examined for their agronomic traits, qualities, and taste in comparison with those of “Koshihikari”,...