The researchers' first subject was the tobacco plant.
研究人员第一个研究对象是烟草。
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。
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。
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。
Next, you infect the tobacco plant with the bacterium. Inside the plant, the protein is produced in large quantities.
接着，用这种细菌来感染烟草叶，这种蛋白在烟草叶中就会大量的合成。
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。
The results showed that tobacco brown spots were significantly reduced by picking the bottom 1~3 leaves of tobacco plant in rosette stage.
结果表明，在现蕾期摘除底脚叶1～3片，对防治烟草赤星病有明显效果。
This paper is an attempt to probe into effects of different application of potassium fertilizer on tobacco plant growth and potassium absorption.
为了探索烟草施用钾肥的抗旱效果和提高烟叶品质，通过盆栽试验研究了干旱胁迫下不同供钾水平对烟草生长和钾素吸收的影响。
Accepting his offer, I confessed that I had never before seen a tobacco plant; family stories of Zelma were the closest I had ever come to a tobacco farm.
我欣然接受他的邀请，坦白的说，之前我从来没见过烟草长什么样子，有关我曾祖母的烟草历史是我所接触到的有关烟草农场最有联系的故事。
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。
Tobacco yellow mottle Necrcrsis virus (TYMNV) is a newly isolated virus from the tobacco fields in China. It causes yellow mottle necrosis on tobacco plant.
烟草黄斑驳坏死病毒(TYMNV)是近几年来从我国烟草上新分离到的一种病毒，引起烟草植株的黄斑驳坏死症状。
The research indicated that application of oil-cake fermented could promote the growth of flue-cured tobacco plant, enhance leaf yield, improve leaf quality.
实验表明，施用发酵性饼肥，可促进烟株生长发育，提高烟叶产量，改善烟叶质量和增加上等烟比例。
The experiments results showed that covering planting with voile could control aphids effectively, and prevent aphids to transmit virus to the tobacco plant.
试验证明，纱网覆盖栽培有效地控制了有翅蚜虫的活动，控制了蚜传病毒病的传播，防治效果很好。
The tobacco types, stalk position, cultivation method, maturity and fertilizer are the most important factors which determine the content of nicotine in tobacco plant.
烟草类型、植株部位、栽培方法、成熟度和肥料处理是决定烟草属植物中生物碱含量的几个重要因素。
Therefore, it is proposed that stoma density and stomatal conductance of the lower leaves on tobacco plant be used as a selection marker for disease-resistance breeding.
因此，下部叶气孔密度和气孔导度可以作为抗病育种的选择指标。
In tobacco plants treated with plant activator protein, TMV coat protein in lesions decreased by 22.75%, in leaf diminished by 25%, and the content of RNA of TMV reduced by 28%.
烟草经植物激活蛋白处理后再接种TMV，枯斑中TMV外壳蛋白含量减少22.75%；叶片中外壳蛋白含量减少25%，TMV中RNA含量减少28%。
A study on change of contents and distribution of the rare earths in roasted tobacco plant and effects on chemical composition in roasted tobacco leaves of the rare earths was reported.
本试验用低浓度混合硝酸稀土喷施烤烟叶面，研究了稀土在烤烟植株中的含量、分布及土壤中可溶态稀土的变化情况及稀土对烟叶化学成份的影响，旨在为烤烟施用稀土提供科学依据。
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。
Pot experiments were carried out to study the effects of the seedlings cultured in different ways on growth and development of tobacco plant during the field period (from transplanting to budding).
通过盆栽试验研究了不同移栽苗对大田期（移栽-现蕾）烟株生长发育的影响。
At the mean time, D fertilizer particle microcapsules were made with higher content of K but median content of N to meet the demands of tobacco plant at middle and later stage and promote maturity.
同时，为满足烟株中后期的养分需求及促进成熟落黄，制作重钾适氮的缓释肥包膜D粒子。
Potted cultivation was used to study the chloride distribution in different tobacco plant organ, and the relation of chloride content with soil, applied fertilizer and irrigated water in tobacco leaf.
应用盆栽法研究了氯在烤烟中的分布以及土壤、施肥与灌溉水含氯量对烟叶氯含量与分布的影响。
But those homebound ships contained something else of equal importance: the Amazonian plant known today as tobacco.
但是那些返航的船只还包括了同样重要的其它东西：亚马逊河植物，也就是我们今天熟悉的烟草。
Tobacco is the model plant for genetic engineering.
烟草是基因工程典型的模式植物。
The authors still discussed the relation of dedifferentiation and redifferentiation of leaf cells of tobacco with plant hormon.
作者在文中还讨论了烟草叶细胞脱分化和再分化与植物激素、蔗糖和培养材料的关系。
Chewing tobacco and snuff not allowed in the plant.
在厂房内不许嚼和吸食烟草。
The mixture of fungicides and plant growth regulator was used to control tobacco weather fleck, and the test results showed that the mixture of 70% thiophanate-methyl WP and 0.
利用杀菌剂和植物生长调节剂混配防治烟草气候斑，试验结果表明70%甲基托布津wp和0。
A plant expression vector was then constructed by ligating the cloned fragment to GUS gene, used for transformation of tobacco.
将其全长片段与GUS基因连接构建植物表达载体并转化烟草。
A plant expression vector was then constructed by ligating the cloned fragment to GUS gene, used for transformation of tobacco.
将其全长片段与GUS基因连接构建植物表达载体并转化烟草。
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