在第三个实验中研究了水稻根表形成的铁膜对水稻吸收和转运汞的影响。
In the third experiment, we investigated the effects of iron plaque on the root surface on mercury uptake by and translocation within rice seedlings grown in nutrient solution in the greenhouse.
采用土培试验研究了嘉花1号这种基因型水稻根系通气组织对其根表铁膜形成的影响。
Soil culture experiment was conducted to study the effect of rice root aerenchyma on root iron plaque by Jiahua 1 this kind of genotype rice.
结果表明，较高的氮素水平促进根系生长，迅速提高水稻根干重，但同时降低根冠比。
The result is, high N-level can promote the root to grow, but the root cap ratio will comes down.
在缺铁固体培养基中，可清楚地观察到水稻根表面的分泌物和根的形态变化以及侧根增多。
It was visualized that the secretory materials on the surface of rice roots and root morphological changes including more side roots with phytagel medium added iron-free nutrient solution.
显微镜观察表明在烟草发根的维管束中柱鞘细胞、水稻根皮层细胞内和细胞间隙有根瘤菌存在。
The observation under microscope showed that the rhizobia were present in percycle cells of vascular system of the tobacco hairy roots and in cortex cells and intercellular spaces of rice roots.
结果表明，固氮细菌鹑鸡肠球菌在水稻根表皮细胞、内皮层细胞、维管组织细胞和细胞间隙中存在。
The results indicated that theendophytic diazotrophic bacteria existed in epidermal cells, cortex cells, vascular tissue cells and intercellular spaces of rice roots.
我们推测含有非典型HD的类WUS蛋白可能也参与到水稻根分生组织干细胞的维持与分化过程中。
We speculated that a WUS-type atypical HD protein might also be involved in the specification and maintenance of the root apical meristem (RAM) stem cells of rice.
这些转化结合子在高铵下表现出固氮活性，并能集聚在水稻根表，而野生型菌在相同条件下远离水稻根表。
They all accumulated on the surface of rice root system in the medium with higher ammonia concentration, while the wild type strains were removed from rice root surface in the same condition.
提出控制根数量、适当增加分枝根数目和加深根分布是未来开展水稻根系育种、塑造水稻理想根型的基本方向。
It was supposed that proper root number, much branches and deep-root is a development direction of breeding for ideal type root system in rice.
这表明施用硝酸盐，当植株遭受水分胁迫后，水稻根皮层形成的通气组织阻止了水分的径向转运，减少了水分吸收。
It was concluded that aerenchyma that formed in the root cortex impeded the radial transport of water in the root cylinder and decreased water uptake in water-stressed rice plants fed by nitrate.
提出了未来水稻根系育种的一个方向，既适当控制根系的数量，增加根的平均长度，加深根在土壤中的分布，扩大根系的面积以及提高单位根量的根功能。
Adequate root number, deep root system, and efficient root activity per unit of root biomass will be needed for high-yield rice in the future breeding programs.
室内采用土培法分别测定了不同浓度胺苯磺隆和不同浓度己酸二乙氨基乙醇酯（简称DA-6）对水稻生长的影响以及不同浓度胺苯磺隆处理下DA-6对水稻根生长的影响。
The paper presented the effect of ethametsulfuron and DA-6 on the growth of rice seedlings at the different concentrations in soil using bioassay methods in the room.
研究了水稻、大麦根际和根际反硝化细菌的生态分布。
The ecological distribution of denitrifying bacteria on rhizoplane and in rhizosphere of rice and barley was studied.
如果你移植它们，它们的根就会受到破坏，水稻就会死。
If you transplant them, the roots will be destroyed and the crop will die.
接种试验证实潜根线虫侵染水稻能引起减产，主要是减少有效穗和千粒重；
Inoculation tests showed that Hirschmanniella oryzae could cause yield losses of rice, especially reduced the number of panicles and grain weight.
深根水稻植株从深层土壤中吸收更多养分、保护植株在生殖生长阶段不倒伏。
Deep rooting of rice plant made easy to absorb more nutrients from deep soil layers, and protected the plant from lodging at reproductive stage.
水稻幼苗通过根分泌各种有机酸和糖。
The root of rice seedling exudes various organic acids and sugars.
这水稻我就是按1：30 0倍灌根在苗床上的，放在这大罐底儿上照背景可不太好看呐！
I irrigate the seedling bed of the rice with 1:300 dilution. Well, the bottom of the pot is not a good background!
用射线处理水稻品种大力，在M3世代中选育出短根突变体rm1。
A rice variety wild type Oochikara was treated by -rays, selected shoot root mutant RM1 in M3 generation.
为了研究水稻叶组织特异基因及其表达，利用抑制消减杂交法(SSH)建立了水稻叶对根的差减文库。
In order to study the leaf-specific expressed genes in Oryza sativa L., the subtracted library of rice leaf was established by suppression subtractive hybridization (SSH).
用此无菌培养试验法进行的水稻有机氮营养试验证明，水稻能直接吸收根际营养液中的氨基酸。
Results from sterile experiment for rice organic N nutrition showed that amino acid could be directly taken up by plants.
水稻的光合作用及报分泌能力影响根际固氮活性。
The photosynthetic rate and excretory ability affected the nitrogenase activity in the rhizosphere.
本研究为水稻冠状根伸长的分子调控机理提供了新的理解。
Our findings provide new information about the molecular regulation of the emergence of crown root in rice.
利用水培试验，研究了剪根等处理后水稻群体光合速率的动态变化。
The effects of wiping out roots on rice canopy apparent photosynthetic rate (CAP) after heading were studied with solution experiments.
尤以以下三方面的结果更具有意义。 （1） 水稻每克鲜根的氧化力低于对照17.5%—36.1%。
The following results are of great importance: (1) the oxidation power of roots in wide—space planting keeps a reasonable level (lower by 17.5%—36.1% per gram fresh weight).
水稻地上部形成的冠状根主要是在低位茎节上长出的根，是植物正常发育一部分。
In rice (Oryza sativa), the shoot-borne crown roots are the major root type and are initiated at lower stem nodes as part of normal plant development.
水稻地上部形成的冠状根主要是在低位茎节上长出的根，是植物正常发育一部分。
In rice (Oryza sativa), the shoot-borne crown roots are the major root type and are initiated at lower stem nodes as part of normal plant development.
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