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汉语拼音：gēn liú

豆科植物根部的瘤状突起。由于土壤中的根瘤菌侵入根部皮层和中柱鞘的局部细胞，引起这些细胞的强烈分裂和生长，而使根的局部膨大，形成瘤状突起。

1. 生长在豆科植物根部的球状小瘤。由根瘤菌侵入根部形成。

• Nodules contain a mixture of ferrous and ferrous - oxy leghemoglobin.

  根瘤含有亚铁和亚铁一氧化豆血红蛋白的混合物.

• The occurrence of hemoglobin in root nodules is notable.

  值得注意的是根瘤中出现血红蛋白.

• The organ is penetrated with vascular tissue.

  根瘤的器官内有维管组织穿过.

• At maturity the root system is extensively nodulated.

  在成熟时,根系普遍具有根瘤.

• The grape phylloxera had disastrous effects on the French grape crop and wine industry.

  葡萄根瘤蚜对法国的葡萄生产和酿酒业带来了灾害性影响.

• Soil drought reduced moisture content and nitrogenase activity of nodules.

  土壤干旱降低田菁根瘤的含水量和固氮活性.

• Especially, drought and high salt concentration are significant factors that limit rhizobium - legume symbiosis.

  土壤干旱和土壤高盐浓度是影响根瘤形成的重要限制因子.

• The results of acetylene reduction detection showed that 88.5 % were effective for nitrogen fixation.

  乙炔还原活力测定结果表明,88.5%为有效根瘤.

• Acacia is a kind of fast growing wood that strongly fit for soil in south China.

  相思树是我国南方一种对土壤适应性强,根瘤固氮的速生树种.

• Thus it can be seen that polyphosphate accumulate is relation ship with rhizobial growth and development.

  由此可见,根瘤中多磷酸盐的积累与根瘤菌的生长发育有关.

• Effects of N and P supply on root and nodule traits varied with genotypes.

  根系浅、根较长,根瘤多的大豆基因型具有较高氮磷效率.