搜索结果: 1-15 共查到“作物遗传学 Oryza sativa L.”相关记录27条 . 查询时间(0.062 秒)
The Candidate Genes Underlying a Stably Expressed QTL for Low Temperature Germinability in Rice (Oryza sativa L.)
Rice Low temperature germinability Quantitative trait locus Candidate gene Genomewide association study
2023/4/21
Background: Direct seeding is an efficient cultivation technique in rice. However, poor low temperature germinability (LTG) of modern rice cultivars limits its application. Identifying the genes assoc...
Physiological and genome-wide gene expression analyses of cold-induced leaf rolling at the seedling stage in rice (Oryza sativa L.)☆
Rice (Oryza sativa L.) Cold-induced leaf yellowing Cold-induced leaf rolling Physiological analysis
2023/4/21
Leaf rolling and discoloration are two chilling-injury symptoms that are widely used as indicators for the evaluation of cold tolerance at the seedling stage in rice. However, the difference in cold-r...
InDel Marker Based Estimation of Multi-Gene Allele Contribution and Genetic Variations for Grain Size and Weight in Rice (Oryza sativa L.)
Insertion/Deletion (InDel) markers genetic variation multi-gene allele contributions rice (Oryza sativa L.), grain size and weight rice germplasm
2023/8/9
The market success of any rice cultivar is exceedingly dependent on its grain appearance, as well as its grain yield, which define its demand by consumers as well as growers. The present study was und...
The effect of different antibiotics on the elimination of Agrobacterium and high frequency Agrobacterium-mediated transformation of indica rice (Oryza sativa L.)
Agrobacterium-mediated transformation Agrobacterium elimination gus reporter gene hygromycin phosphotransferase selectable marker gene (hpt) rice
2014/2/25
We report here the suitable explant with high efficiency of transformation and the positive effects of timentin over other antibiotics like carbenicillin and cefotaxime on the elimination of Agrobacte...
Estimation of the heritability of agro-morphological traits in rice (Oryza sativa L.) using F2:3 families
Rice (Oryza sativa L.) F2:3 families heritability environmental variance
2011/1/11
Heritability is an important genetic parameter of the trait under selection. 193 F2:3 families of a cross between 'MousaTarom' and '304' were evaluated under field conditions. The studied traits were ...
Character Expression of the Semidwarfing Gene sd-1 in Rice (Oryza sativa L.):II. Appearance and development of tillers
Near isogenic line Nitrogen fertilizer Rice (Oryza sativa L.) Semidwarfing gene Tiller development
2009/8/6
Gene expression in tiller development by the semidwarfing gene sd-1 was studied under two different nitrogen levels. A Japonica tall variety Norin 29, its semidwarfing near isogenic line SC-TN 1, and ...
Character Expression of the Semidwarfing Gene sd-1 in Rice(Oryza sativa L.):1. Effects of nitrogen levels on the expression of some agronomic characteristics
Rice ( 0ryza sativa L.) Character expression Nitrogen fertilizer Isogenic line Semidwarfing gene
2009/8/5
Two experiments were carried out to analyze the expression of some agronomic characteristics by semidwarfing gene sd-1, which has played an important role in improvement of rice productivity per area....
Association between Grain Shattering Habit and Formation of Abscission Layer Controlled by Grain Shattering gene sh-2 in Rice (Oryza sativa L.)
Abscission layer Germination rate Grain ripening Rice Oryza sativa L Shattering gene
2009/7/29
Rice garin shattering habit is closely associated with the abscission layer formed at the base of sterile lemmas (empty glumes). In the current study, the character expression of sh-2, one of the repr...
Effect of Brassinolide Applied at the Meiosis and Flowering Stages on the Levels of Endogenous Plant Hormones during Grain-Filling in Rice Plant (Oryza sativa L.)
Abscisic acid(ABA) Brassinolide(BL) Ethylene Indoleacetic acid(IAA) Low temperature(L-temp) Milk-ripe stage Panicle Rice
2009/7/29
Brassinolide (BL), a brassinosteroid, applied to rice plants in pots promotes panicle ripening. In this study, we examined the effect of BL applied at the meiosis and flowering stages on endogenous le...
Sterility of Thermo-Sensitive Genic Male Sterile Line,Heterosis for Grain Yield and Related Characters in F1 Hybrid Rice (Oryza sativa L.)
Dry matter F1 hybrid Grain yield Heterosis Sterility
2009/7/28
The thermo-sensitive genic male sterile (TGMS) T29s line was sterile when exposed to daily mean temperatures of 24.1°C or above during the critical stage (from 15 to 11 days before heading). It was co...
Relative Contribution of Hetero- and Auto-trophic Growth to Genotypic Variation of Seedling Vigor in Rice (Oryza sativa L.)
Autotrophic growth Genotypic variation Heterotrophic growth Oryza sativa L.,Relative growth rate Seed reserve Seedling vigor
2009/7/24
To elucidate the major physiological process to cause genotypic variation in the seedling vigor of rice, we analyzed the dry matter accumulation in the seedling for diverse cultivars distinguishing he...
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 ...
Cloning of a Cytochrome P450 Gene Induced by Ethylene Treatment in Deepwater Rice (Oryza sativa L.)
Cytochrome P450 Deepwater rice Differential display Ethylene Internode elongation
2009/7/21
Cloning of a Cytochrome P450 Gene Induced by Ethylene Treatment in Deepwater Rice (Oryza sativa L.)
Effects of High Nitrogen Supply on the Susceptibility to Coolness at the Young Microspore Stage in Rice (Oryza sativa L.):Gene Expression Analysis in Mature Anthers
Anther Cool temperature susceptibility Expansin Gene expression High nitrogen PCR Pollen germination
2009/7/21
Changes in gene expression patterns by high nitrogen (High-N) and High-N plus cooling at the young microspore stage (High-N-cooling) in rice mature anthers were analyzed by semiquantitative RT-PCR wit...
A Novel Method for Estimation of Seedling Establishment Trait of Rice (Oryza sativa L.) under Low Temperatures and for Evaluation of the Trait Using Appropriate Varieties as Standards
Rice Standard variety Direct sowing cultivation Low temperature Seedling establishment Seeding depth
2009/7/9
A method to demonstrate varietal differences in seedling establishment of rice under low temperatures and methods of data analyses are discussed. Nursery boxes were filled with sieved soil up to 0, 4...