Virus free potato seedlings from tubes: Kexin No. 4 and Zaodabai were used as experimental materials. The effect of illumination and medium type on potato micro-tuber inducement were studied.
以克新4号、早大白脱毒试管苗为材料，研究了光照和培养基类型对马铃薯微型薯诱导结薯的影响。
Using thermotherapy, meristem culture and chemical preparation may provide effective ways for obtaining virus-free materials of pear.
热处理、茎尖培养、化学制剂处理及其联合应用为梨病毒脱除提供了有效途径。
Virus-free materials of Ophiopogon japonicus were obtained from meristem culture in vitro.
采用茎尖分生组织培养技术，获得了川麦冬的脱病毒试管苗。
Although when exposed to simulated sunlight, the virus survived longer on soil and chicken feces compared to the other materials.
与其他的物品不同，在土壤和鸡粪上，在有模拟阳光照射的情况下，病毒的存活时间更长。
When germplasm materials of sweetpotato plant in the field, they confront with serious infection of virus, influence of pest and natural disaster.
甘薯种质资源的大田种植保存面临着严重的病毒感染以及病虫害、自然灾害的影响。
Viruses only contain a shell of protein and some DNA and RNA genetic makeup materials. To reproduce, the virus invades a cell in a host and USES the cell to produce more of itself.
病毒只有一个蛋白质外壳和一些DNA和RNA这样的遗传物质，通过侵入宿主细胞并利用宿主细胞来进行复制。
The relevant response target includes: Medicinal herb, bacterium, virus, parasite, anaphylactogen, mineral substance, heavy metal, organ, chromosome and other much kind other materials.
相关之反应对象包括：药草、细菌、病毒、寄生虫、过敏原、矿物质、重金属、器官、染色体与其它多种类别的物质。
The relevant response target includes: Medicinal herb, bacterium, virus, parasite, anaphylactogen, mineral substance, heavy metal, organ, chromosome and other much kind other materials.
相关之反应对象包括：药草、细菌、病毒、寄生虫、过敏原、矿物质、重金属、器官、染色体与其它多种类别的物质。
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