您要查找的是不是：
- host range mutant 寄主范围突变型
- Objective;To investigate the mosquito host range of Pythium carolinianum. 目的:调查和探讨灭蚊真菌-卡地腐霉的蚊虫宿主范围。
- Host range and cross infection of cytoplasmic polyhedrosis viruses from Dendrolimus spp. 松毛虫质型多角体病毒的宿主域与交叉感染。
- Furthermore, VSV-G protein enables this system a broader host range and makes virus integration more efficient. 逆转录病毒和宿主细胞基因组的重组倾向于发生在转录活性区；
- Endomycorrhiza have a far more extensive host range, including most plant species common in agriculture. 内生菌根有更为广泛的寄主，包括农业上的大多数植物种。
- Title： Host range and cross infection of cytoplasmic polyhedrosis viruses from Dendrolimus spp. 关键词：松毛虫;质型多角体病毒;宿主域;交叉感染;潜伏型病毒
- These parasporal bodies have been found to vary in their geometry, and it appears that the shape is related to host range and toxin effectiveness. 人们发现这些伴胞体几何形状不同并且表现出形状与寄主的类型和毒素的效力有关。
- To do this, countries must be able to readily obtain pertinent data on pest biology, distribution, host range and potential for impact. 要这样做，各国应能容易地获得关于有害生物生物学、分布、寄主范围和潜在影响的相关数据。
- CDV infection has occurred not only in terrestrial but also in aquatic carnivores,and its host range has been developing. CDV不仅感染陆生食肉动物,而且也感染水生食肉动物,并且其宿主范围还在不断扩大。
- It is difficult to control the sclerotium disease for the short of resistance material, its wide host range, drug resistance and so on. 菌核病因缺乏野生抗性资源、自然寄主广泛、病原菌自身抗药性等原因，在防治上一直存在极大的困难。
- S. enteritidis has broad host range, is one of food pollution source and causes gastric enteritis and food poisoning in domestic animal and birds and human. 因此肠炎沙门氏菌作为食品安全的污染源之一，以得到许多国家的公认。
- This paper briefly reviewed the causes of wood sapstain, the effects of wood sapstains on wood properties, predominant saptain fungi, host range, vector for sapstain transmission. 文中对木材变色的原因、木材变色对木材性质的影响、主要变色菌的种类、寄主范围、传播媒介等作了简述。
- Abstract： It is a reviews on the diagnosis ,active immunization and vaccination failure factors of canine distemper (CD),as well as host range of canine distemper virus (CDV). 摘 要： 本文对犬瘟热(CD)的诊断、预防免疫和免疫失败的影响因素及犬瘟热病毒(CDV)的宿主范围进行了综述。
- On our conjecture, Gene 3A, a highly conserved sequence, may be the determinant of the virulence of FMDV. Changes in 3A have been associated with altered host range. 我们根据已有资料推测，3A基因可能是口蹄疫病毒的毒力决定簇，它具有高度保守性，其变异和部分缺失对病毒在牛体内的致弱和宿主嗜性发生改变起重要作用。
- Abstract: This review briefly introduced the progress and trends of chestnut blight research, including the occurrence and damage of chestnut blight, symptom, pathogen and its hypovirulence, host range, disease cycle, and control, etc. 文摘:全面综述了栗疫病的研究进展，包括栗疫病的发生和为害性、状、原菌及其弱毒力、主植物、害循环、病条件和防治等方面所取得的成就和发展趋势，并就某些问题提出作者的观点。
- The host range of ectomycorrhizae is primarily restricted to certain tree species, including members of the Pinaceae （pines）, Betulaceae （alder）, and Myrataceae （eucalyptus）. 外生菌根的寄主主要是几种树种包括松科（松树）、桦木科（桦树）和桃金娘科（桉树）。
- A review on maize dwarf mosaic disease is presented,including its symptom,distribution,damage,host range,viral strain,viral transmission and control method.Future directions for the research of maize dwarf mosaic disease are also recommended. 介绍了玉米矮花叶病的症状、分布、危害、寄主范围、病毒株系、病毒传播及防治方法等方面的研究进展。
- Based on mophological characters and host range, seventeen graminicolous species belong to genera Drechslera Ito, Bipolatis Shoemaker and Exserohilum Leonard & Suggs were identified in Hebei. 本文报道了河北省禾本科[Gramineae]植物上德氏霉属Drechslera Ito,离蠕孢属Bipolaris Shoemaker和脐突孢属Exserohilum Leonard & Suggs三属真菌的17个种。
- The host then passed around a box of cigars. 主人这时拿了一盒雪茄烟请大家抽。
- In this experiment it was found that the host range of rice sheath blight fungus on weeds including 11 families 20 species.Among them, Gramineae and Cyperaceae were the most important ones. 摘要水稻纹枯病在杂草上之寄主，据本试验结果，已有20种之多，其中以禾本科及莎草科最重要，其他有非禾本科之杂草，亦为本病之媒介寄主。
