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Developing Isogenic Lines of Japanese Rice Cultivar ‘Koshihikari’ with Early and Late Heading
heading date marker-assisted selection pleiotropic effect quantitative trait locus
2011/2/24
Four quantitative trait loci (QTLs) for rice (Oryza sativa L.) heading date were previously detected by QTL analysis of progeny derived from crosses between a japonica cultivar, Koshihikari, and an in...
利用南京11 × Koshihikari RIL群体在南京两年的种植结果，检测与稻米淀粉RVA谱特征值峰值黏度、最低黏度、最终黏度、崩解值、消减值、峰值时间和糊化温度相关加性和上位性效应QTL，并分析其表达稳定性。结果表明，7个稻米淀粉RVA谱特征值在两年中均呈连续分布，且存在超亲遗传现象。共检测到8个具有加性效应的QTL与稻米6项淀粉RVA谱特征值有关，两年中能重复出现的QTL有6个，即qTPV...
利用Koshihikari × Kasalath BILs群体及相应的Kasalath/Koshihikari CSSLs群体，在江苏南京和海南陵水两个环境下对抽穗期的QTL定位分析。结果表明，在两地重复检测到3个QTL，分别位于第3、6和8染色体上；在qHd-3和qHd-8位点，来自Koshihikari等位基因能够提早抽穗，在qHd-6位点，来自Koshihikari等位基因能够延迟抽穗；第3...
水稻品种Basmati 370和Koshihikari 抗性淀粉颗粒RS2的研究
水稻 抗性淀粉颗粒 淀粉结构 链长分布
2009/9/25
以一个优质籼稻品种 Basmati 370 和一个优质粳稻品种 Koshihikari （越光）为材料，研究了抗性淀粉颗粒RS2的来源和链长分布情况。结果表明，两个品种RS2的主要来源均为直链淀粉，体积排阻色谱SEC的分析结果表明这部分直链淀粉不仅包括真正的直链淀粉，还包括了带分支的直链淀粉和带长分支链的支链淀粉。对抗性淀粉颗粒RS2的支链链长分析表明，2个品种长链(聚合度＞36)所占的比例均大于...
Growing Patterns of Rice Plant (Oryza sativa L. cv. Koshihikari) Corresponding to Developmental Index to Produce Different Numbers of Spikelets
Developmental index Growing patterns Koshihikari Nitrogen content of plant Number of spikelets
2009/7/27
Plant length, tiller number and nitrogen content of rice plant (Oryza sativa L. cv. Koshihikari) having produced five different levels of spikelet numbers were computed by averaging data obtained in ...
Estimation of Nitrogen Content of Brown Rice in Rice Cultivar Koshihikari at Heading Time
Koshihikari Nitrogen content of brown rlce
2009/7/23
Estimation of Nitrogen Content of Brown Rice in Rice Cultivar Koshihikari at Heading Time.
Genetic Characteristics of the Breaking Strength of the Basal Culm Related to Lodging Resistance in a Cross between Koshihikari and Chugoku 117
Bending stress Breaking strength Heritability Individual selection Lodging resistance
2009/7/23
In order to investigate the possibility of introducing lodging resistance into long culm and ear weight type rice cultivars, we studied the genetic characteristics of breaking strength related to lodg...
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 ...
Practical Application of Multiline Variety with Blast Resistance Genes of Koshihikari in Niigata Prefecture
Oryza sativa L Blast resistance Koshihikari Multiline variety
2009/7/8
Characteristics of a multiline variety composed of blast resistance isogenic lines “Koshihikari BLs”, bred in Niigata, were evaluated and compared with those of the original variety, Koshihikari for...
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”,...
Lodging-related Characteristics of Hikari-Shinseiki, an Isogenic Variety of Koshihikari
Breaking load Lodging index Degree of lodging Isogenic variety Semidwarfing gene sd
2009/7/7
Hikari-Shinseiki, a variety registered in 2004, is an isogenic variety of Koshihikari which has the semidwarfing gene sd1 derived from variety Jikkoku. In this study, we examined lodging-related char...
Correlation of Palatability Properties with Grain-weight and Thickness of Rice Grain—Case of cv. Koshihikari cultivated in Ibaraki prefecture in 2005
1000-grain weight Amylose content Brown rice thickness Koshihikari Milled rice
2009/7/7
We investigated some palatability properties of Ibaraki rice cv. Koshihikari, specifically examining the correlation of palatability with grain weight and thickness. We investigated the rice from 20 ...