粳稻亲本京系17具有杀卵抗性。
绝大多数粳稻品种的米粒属短、粗类型。
For japonica rice, the grains of most varieties were short and coarse in length and shape.
引导农民扩大粳稻、玉米、杂粮等农作物生产。
Guide farmers to expand rice and corn production as well as to increase grain variety.
无论籼粳稻，色稻品种出糙率比对照品种低。
Compared with the general rice, the roughness ratio of colored rice were much lower.
这一同源模型说明籼稻和粳稻是由同一种普通野生稻驯化而来的。
The single-origin model suggests that indica and japonica were both domesticated from the wild rice O. rufipogon.
在其它品质性状上，杂交粳稻与常规粳稻差异不明显。
In the other grain quality characters, there was not a big difference between hybrid rice and conventional rice.
最高植株转化频率接近一般粳稻水平，多数低于粳稻水平。
The highest frequency of transformed plant production approximated to the general status in japonica rice.
通过花培和组群筛选法均能较快地获得直穗型高产优质粳稻品系。
The high-yield and high-quality in erect panicle type Japonica line could be selected by anther culture or group selective breeding.
通过花粉单倍体育种已培育出二个粳稻新品种在生产上繁殖推广。
Two new varieties of keng rice were obtained by means of pollen haploid plant breeding and have been put into-seeds propagation and distribution for practical production.
对籼稻、粳稻和爪哇稻3个亚种的8个水稻品种开展米饭质地研究。
Using RHEOLOGRRPH MICRO (cookedrice texture analyzer), the cookedrice texture of 8 varieties within 3 rice subspecies was analyzed by various methods for cooking pretreatment.
研究表明粳稻和籼稻大约在3900年前才由同一种水稻分化成两种不同的亚种。
The study indicates that the japonica and indica sub-species split apart from each other about 3, 900 years ago.
另一种理论提出粳稻和籼稻这两种主要的水稻亚种是在亚洲不同地区分别被培育的。
Another theory proposes that the two major sub-species of rice - Oryza sativa japonica and O. sativa indica - were domesticated separately and in different parts of Asia.
通过与玉米、粳稻比较，对大豆价格波动与风险程度进行分析与评价。
Besides, this study analyses the influence of soybean income fluctuation on different income level farmers.
关于水稻品质性状的研究在我国对籼稻研究比较深入，对粳稻研究报道较少。
There are many reports on the research of quality traits in Indica rice but relatively few in Japonica rice.
该FNP的分布也表明该突变可能在粳稻从水稻祖先分化出来之前已经发生。
Distribution of the FNP also suggests that this mutation may have occurred during the divergence of japonica from its wild ancestor.
研究人员发现，籼稻和粳稻彼此的相同点多于它们各自与野生水稻的相似处。
The researchers found indica and japonica have more in common with each other than either has with wild rice.
对北方大穗型超级杂交粳稻辽优3072进行了产量结构和灌浆特性的研究。
The yield components and grain filling characters of northern large panicle type super japonica hybrid rice Liaoyou 3072 were studied.
利用粳稻品种探讨了钙增效剂对稻米中钙及铜、锰、镁、铁、锌积累和品质的影响。
Ca potentiators effect of ca, Cu, Mn, Mg, fe and Zn contents and quality in japonica rice were studied.
目前，国内还没有粳稻日本晴细胞悬浮系以及对磷脂酶D基因功能研究的相关报道。
Today, it wasn't reported that study on Nipponbare(Japonica)cell suspension line and OsPLD gene functional.
研究了不同氮肥用量、氮肥种类及施肥方法对粳稻直链淀粉含量和蛋白质含量的影响。
The factors including different content of nitrogenous fertilizer used- varieties of nitrogenous fertilizer and methods of fertilizing that influence the content of amylose and protein are studied.
应用两个质量性状的等位基因差异，重新测验了粳稻品种8415的早世代稳定特性。
Early generation stability of 8415, a japonica rice variety, was retested by using allelic differences of two qualitative traits.
促使水稻新品种产量增长的关键因素是增加了杂交粳稻和理想株型品种的每穗成粒数。
The key factor to increase the yield was ripened grains per panicle of new hybrid rice and varieties with idea type.
以迟熟中粳稻武香粳9号为材料，研究了基本苗和施氮量对水稻氮素吸收与利用的影响。
The effects of planting density and nitrogen application rate on nitrogen absorption and utilization by rice were studied with Wuxiangjing 9(Japonica variety).
以16种重要的籼稻和粳稻栽培品种为材料，研究了影响农杆菌转化水稻频率的有关因素。
The factors influencing the frequency of rice transformation mediated by Agrobacterium have been investigated by using 16 commercially important indica and japonica rice cultivars or lines.
在光学显微镜下观察了粳稻叶片茸毛在叶面上的分布特征和谷壳稃毛在谷壳上的分布特征。
Distribution characteristics of leaf pubescence on leaf blade and hull pubescence on hull were observed under an optical microscope.
2009年8月8日，北方稻作科技协会组织专家对全国20个优良食味粳稻品种进行品评。
On August 8, 2009, 20 japonica rice varieties nation-wide with better palatability were evaluated by experts organized by North rice Science and Technology Society.
在相同储藏温度下，同一水分晚粳稻谷的脂肪酸值比晚籼稻谷更容易上升，也更容易发生霉变。
At the same storage temperature, fatty acid values of japonica rice increased rapidly and mildewed easy compared with the indica rice of same moisture content.
为了研究北方大穗型杂交粳稻超高产的生理基础，为选育大穗型的北方杂交粳稻提供育种理论。
In order to study the physiological base on super high yield of the northern japonica hybrid rice and offer breeding theory about large-panicle northern japonica hybrid rice.
选用粳稻品种东优9901和长粒香，研究不同收获时期对稻米味度值与RVA谱特性的影响。
Two Japonica rice varieties-Dongyou9901 and Changlixiang-were studied to reveal the effect of different harvest date on rice grain taste meter value and RVA profile.
以‘宁粳2号’为材料，采用田间小区试验方法研究了单季粳稻施用镁肥后对镁吸收分配的影响。
A plot experiment was conducted to study the effects of Mg fertilization on Mg uptake and partition in single-cropping japonica rice with 'Ningjing 2' as the material.
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