They all accumulated on the surface of rice root system in the medium with higher ammonia concentration, while the wild type strains were removed from rice root surface in the same condition.
这些转化结合子在高铵下表现出固氮活性，并能集聚在水稻根表，而野生型菌在相同条件下远离水稻根表。
A rice variety wild type Oochikara was treated by -rays, selected shoot root mutant RM1 in M3 generation.
用射线处理水稻品种大力，在M3世代中选育出短根突变体rm1。
Wild rice stem belongs to herb of marsh of gramineous vivacious perennial root.
茭白属于禾本科多年生宿根沼泽草本植物。
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