Rhizobia that nodulate the same hosts belong to a cross inoculation group.
能使相寄主结瘤的根瘤菌一互接种族。
I do not use many woods, but when I do I prefer burled types if they are available.
我不常使用木材,假使要用且能找到,我爱好根瘤型的。
Only about 5% of the initial penetrations of root cells of legumes by swarmer cells result in nodule formation.
在最初的豆类根部细胞被细菌穿后只有大约5%形成根瘤。
The polyphasic taxonomy of Rhizobia resumptively includes two major types of phenotypic group-dividing method and genotypic group-dividing method.
根瘤菌的多相分类技术包括表型的分群方法和遗传型的分群方法两大类。
The issue whether starter N will increase nodulation and BNF is, however, complicated by several factors.
然,“氮”是否会增加根瘤和生物固氮的问题是复杂的,它受多种因素影响。
These nodules are mainly round, ellipse and coralloid in shape, pink and yellow in color, with size ranging from 1 mm to 10 mm.
根瘤颜色以土黄色、白色、浅褐色和粉红色为主,部分为多红色或深揭色。
Bacteroid A modified bacterial cell in a root nodule, typically a cell of the bacterium Rhizobium in the root nudule of a leguminous plant (family Fabaceae).
在根瘤中经过修饰的细菌细胞,比较典型的是在豆科植物根瘤中的根瘤菌(蝶形花科)。
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Nineteenth-century agronomists rapidly divined that phylloxera had come from North America.
19世纪的农学家迅速推断称,根蚜虫来自北美。
Blocking the action of this, they hoped, would phylloxera-proof all vines. But here the sequencing project produced a disappointment.
他们希,阻止这一行为可以防止所有的葡萄藤出现根蚜虫。但基因排序项目的结果令人失。
Rhizobia is a nitrogen-fixing bacteria up to 3 micrometers long and without it, that sort of agricultural production is impossible.
根一种长达3微米的固氮,没有它,不可能实现这种农业生产规模的。
From Britain, this theory went, phylloxera reached the European mainland via the south of France, the first place where it devastated vineyards.
该理论认为,根蚜虫从英国经法国南部传入欧洲大陆。它首先破坏了法国的葡萄园。
That could be valuable in parts of viticulture's New World, such as Australia, where vines remain ungrafted and phylloxera is still a problem.
这在葡萄栽植新世界的部分地区可能很有价值,比如澳大利亚,在这些地方,葡萄藤仍非嫁接的,并且根蚜虫仍一个问题。
The work now begins of teasing out what each of those genes does, and, ultimately, how phylloxera manipulates a plant and adapts to a new host.
现在的工作弄清楚每个基因的作用什么,以及根蚜虫最终如何操控植物并适应新的宿主。
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