大多数科学家相信侵染性的物质必须含有担负复制功能的核酸。
Most scientists believe that infectious agents must contain nucleic acids in order to replicate.
对来自家蚕的内网虫属样微孢子虫和家蚕微孢子虫的形态、表面蛋白及侵染性进行了比较研究。
Comparative study on morphology, spore surface proteins and infectivity of a Endoreticulatus-like microsporidium and Nosema bombycis from silkworm, Bombyx mori, were conducted.
病原物的侵染诱导植物几丁质酶活性升高和产生新的几丁质酶同工酶，这些高活性的几丁质酶或特异性的同工酶提高了植物的抗病性；
The pathogens infection induced the chitinase activity increase and the chitinase isozymes change. The high chitinase activity or specific chitinase isozymes have enhanced disease resistance of plant.
试验结果表明小麦在低磷条件下对菌根的依赖性很低，而在高磷条件下生长受到菌根侵染的抑制；
Results indicated that plant growth of wheat responded little to AM at low P application, while it was inhibited at high P application.
可见，VFB是一种良好的植物源病毒抑制剂，可诱导植物产生抗病性，增强对TMV侵染的抵抗力。
VFB could induce the host to have resistance against diseases, and strengthen its antiviral capability to tobacco mosaic tobamovirus(TMV).
结果表明：AM真菌对宿主植物侵染有选择性，AM真菌在不同番茄中的活力有较大差异。
The interaction between tomato and AM fungi show that: the biomass of the HUAFAN No.
大量研究表明，无论是有机污染物还是无机污染物，都会对AM的结构、形成和功能产生破坏性影响，主要表现在孢子萌发、侵染率、菌丝伸长受抑制等。
Both organic and inorganic pollutants could have detrimental effects on AM structure, formation and function, such as low spore germination, colonization rate, and hyphal growth.
杨树溃疡病主要由真菌侵染所致，该真菌是一类世界性分布的真菌，寄主范围十分广泛，可危害多种林木和果树的树干及果实，引起枯枝、溃疡、流胶和果腐等。
Poplar canker is mostly caused by fungi. These kind of fungi distributes world wide, parasites wide-ranging hosts, and harms the branches and fruits of many kinds of forest and fruit trees.
杨树溃疡病主要由真菌侵染所致，该真菌是一类世界性分布的真菌，寄主范围十分广泛，可危害多种林木和果树的树干及果实，引起枯枝、溃疡、流胶和果腐等。
Poplar canker is mostly caused by fungi. These kind of fungi distributes world wide, parasites wide-ranging hosts, and harms the branches and fruits of many kinds of forest and fruit trees.
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