The effort is not the first of its kind. A university group created a glowing tobacco plant a few years ago by implanting genes from a marine bacterium that emits light. 几年前一个大学社团曾通过将一种发光的海洋细菌注入植物体内而研制出了会发光的烟草植株。
The researches found that drought stress affected the water absorption of tobacco root and destroyed the water balance in tobacco plant, which forced water redistribution in different organs. 各种研究发现干旱胁迫影响烟草根系吸水,使植株体内水分平衡受到破坏,迫使各部位之间的水分重新分配;
The results showed that tobacco plant mainly absorbed nitrogen from fertilizers in root elongation and vigorous growth stages and from soil in maturing stage. 结果表明,烤烟在伸根期和旺长期以吸收肥料氮为主,成熟期以吸收土壤氮为主。
South African researchers are working on a genetically engineered tobacco plant that turns red near land mines& offering a potentially cheap way to clear post-conflict zones. 南非科学家正在研究一种转基因烟草,它在地雷附近会变红&这为清除雷区提供了一种可能的廉价手段。
The black cut tobacco plant that attempts very clever in deceiving others finally attacked to down appear original shape in the police's heavy boxing. 企图瞒天过海的黑烟丝厂,终于在警方的重拳出击下现出了原形。
Electroantennogram responses of two sibling Helicoverpa species to tobacco plant volatile compounds at a lower concentration 两近缘种夜蛾对低浓度烟草挥发物的触角电位反应
The technology exploits the tobacco plant's vulnerability a virus that only attacks tobacco plants, which most people associate with causing cancer, and not curing it. 该技术利用了烟草植物的弱点,一种只会攻击烟草植物的病毒。人们通常认为该病毒跟癌症产生有关,而不会治疗它。
The Resistance to CMV and Its Cumulative Effect of Tobacco Plant Induced by Salicylic Acid Accumulation of salicylic acid in tobacco treated with polysaccharide from Coprinus comatus 水杨酸对CMV的诱导抗性及抗性累加效应的研究毛头鬼伞多糖诱导烟草体内水杨酸的积累
The absorption of N, P and K by tobacco plant with chemical fertilizers and and cattle manure. 纯施化肥烟株对氮、磷、钾的吸收明显大于牛圈肥与化肥配合施用;
Effect of Tilling Depth on Growth, Nutrient Uptake, Yield and Quality of Flue-Cured Tobacco Plant 耕作深度对烤烟生长、养分吸收及产量、质量的影响
The scientists from Stanford University in California say the tobacco plant could be used to tackle a form of lymphoma. 来自加洲斯坦福大学的科学家说烟草植物能够捕捉一种淋巴瘤。
Effects of Chlorine Applying Time on Disciplinarian of Chlorine Accumulation as Flue-cured Tobacco Plant Growth 氯肥施用时期对烤烟生长期间氯积累规律的影响
While he was exploring the shores of America, he saw the Indians smoking the leaves of the tobacco plant. 他在美洲海岸探险的时候,看到印第安人抽烟草的叶子。
Results showed that nitrogen fertilization rate significantly affected tobacco plant growth, leaf SPAD value, dry matter accumulation, leaf yield, economic value as well as chemical components. 结果表明:在绿肥全部还田条件下,不同氮肥用量对烤烟株高、烟叶SPAD值、烟株干物质累积以及烤后烟叶产量、产值和化学成分均有一定的影响。
Study on Assessment of Soil Magnesium Condition and Magnesium Supply Technology in Tobacco Plant Area in Jiangxi 江西烟区植烟土壤镁素丰缺状况评价及施镁技术研究
Leaves of the tobacco plant dried and prepared for smoking or ingestion. 为吸烟或摄取而准备的干的烟草叶。
If the tobacco plant is eaten, it can quickly poison a person. 如果吃了烟草,人就会很快中毒。
Effects of different antivirus agent on disease resistance of tobacco plant and quality of flue-cured tobacco leaf 不同抗病毒药剂对烟株抗病性及烤后烟叶质量的影响
Effects of the Exogenous GA_3 and ABA on Tobacco Plant Growth and Development and Potassium Accumulation in Leaves 外源激素GA3与ABA对烟草株高及烟草叶片含钾量的影响
Comparative Studys on the Interaction Mechanism of Two Sibling Helicoverpa Species to Tobacco Plant 两近缘种铃夜蛾与烟草互作机制的比较研究
They infect a tobacco plant with the gene-carrying virus by scratching the virus on its leaves. 通过把这种带有基因的病毒擦到叶子上,来感染烟草。
Study on characteristics of hyperparasitic parasitism on aphid parasites in different tobacco plant positions 重寄生蜂对烟株不同部位僵蚜的寄生特点研究
Influence of Continuous Cropping on Microelements in Tobacco-planting Soil and Tobacco Plant 连作对植烟土壤及烟株中微量元素含量的影响
The invading-resistance of tobacco plant was proved to be more ready to be delivered to offspring than spreading-resistance to the disease. 烟草对赤星病病菌侵入的抗性较抗病斑扩展的能力更容易通过品种间杂交传递给后代。
Effects of Seedling Hardening at Different Water Levels in Float System on Growth, Development and Physiological Characteristics of Flue-cured Tobacco Plant 烤烟漂浮育苗中不同水位炼苗对烟株生长发育及生理特性的影响
Any of various flowering annual or perennial herbs of the genus nicotiana, native to the Americas and including the tobacco plant and ornamental species with fragrant flowers. 烟草属一种源于美洲的箭羽烟草花属开花的一年或多年生草本植物,包括烟草植物和带有芳香花朵的装饰性种类。
A close relationship existed in between rhizosphere soil biological activity and tobacco plant growth. 根际土壤微生物数量和土壤酶活性与烟株生长存在着密切的关系。
The Accumulation and Distribution of Potassium in Flue-cured Tobacco Plant 钾在烟株中的积累和分配
The results show that tobacco plant growth and drought resistance are increased by different application of potassium fertilizer. 结果表明,不同供钾水平下生长的烟草随着供钾水平的提高,生长量和抗旱性均得到增强。