疫病的

In this study, we studied mycorrhizal effects on the development of early blight in tomato caused by the necrotrophic fungus Alternaria solani.

在本研究中，我们研究了菌根在由死体营养型真菌早疫病菌引起的蕃茄早期枯萎病的发展中的作用。

The pathogen causing lily blights was isolated from diseased lily with typical symptoms on basal stem. The pathogen was identified as Phytophthora nicotianae van Brede de Haan according to the characteristics of mycelium, chlamydospore, zoosporangium, oospore and the test of pathogenicity of the pathogen.

从具典型症状的新鲜百合疫病植株茎基部病组织中分离到百合疫霉菌，根据其病原菌菌丝的形态、菌落特征，厚垣孢子、游动孢子囊和卵孢子的形态和大小，以及病原菌致病性测定，该病原菌鉴定为烟草疫霉 Phytophthora nicotianae van Brede de Haan。

White spot syndrome of shrimp caused by white spot syndrome virus is one of the list B diseases notifiable to the International Office of Epizootic Disease.

由白斑综合征病毒引起的虾白斑综合征是国际兽医局规定的必须上报的水生动物二类疫病。

This established reverse genetics system provides a powerful tool for the research of the P gene in this study.1.Full-length genome analysis of Newcastle diseases virus strains belonging to genotypeⅢandⅨreveals the common origin of recent epizootic viruses.

基因Ⅲ型和Ⅳ型新城疫病毒全基因组测序及其在新城疫进化史中的重要地位分析根据EMBL/GenBank中已发表的基因Ⅲ型NDV全基因和基因Ⅸ型NDV基因片段设计一套全基因引物，将NDV全基因分为10个相互重叠的片段进行RT-PCR扩增。

The leading rootstock is trifoliate orange. It is incompatible with the scions during the late period, and it has not the resistances of deep and harden soil, saility soil and the dramatical and huge change in the air temperature, and it is infected with exocortis, dam ping-off, bacterial wilt and fire blight easily.

在应用现状上，中国柑橘的主导砧木枳砧存在嫁接后期不亲和、不耐深而板结的土壤、不耐盐碱土、不耐过大的温差剧烈变化、易感裂皮病、立枯病、青枯病和火疫病等，亟待改良或更换。

He had hitched his wagon to a star and been landed in a pestiferous marsh.

好了，他的歌已经唱完了，他安慰自己，他赶了自己的马车去追求一颗星星，却落进了疫病蒸腾的泥沼里。

AIDS is a retrovirus infection caused by the body's immune defense system diseases.

艾滋病是一种由逆转录病毒引起的人体免疫防御系统方面的疫病。

The condition is more severe for farmers who grow vegetables. For examples, cauliflowers and lettuces can only grow in colder weather, and they cannot grow in the summer. In the summer, tomatoes and bitter melons would get sick easily. After a heavy rain, when their vegetables all bathe in the water, the farmers get nothing for their efforts.

而蔬菜农友更惨，因为天气炎热，很多作物有温度障碍，例如花椰菜与莴苣喜欢比较凉冷的生长气候，夏天就会过热而长不起来；番茄与苦瓜在夏季容易有疫病，一场大雨下来，农友的心血全部都泡在水里，没有东西收成。

Objective: To investigate the effects of Newcastle Disease Virus infection in vitro and vivo on the expression of p53 and cell cycle in Mouse Sarcoma S180 cells.

目的：研究新城疫病毒感染对小鼠肉瘤S180细胞p53蛋白的表达及细胞周期的影响。

Newcastle disease is an acute and highly contagious disease, which does great harms to the poultry industry.

新城疫是禽类的一种急性、高度接触性传染病，是危害养禽业的首要疫病。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！