Their roots grew well when the seedling were cultured on the 1/2MS medium without any plant growth regulater for 30 days, and the transplantation survival rate reached 80%.

研究结果如下：1组培苗在无植物生长调节剂的1/2MS培养基中，30天根系发育良好，组培苗移栽成活率可高达80%；

She says the federal take over could have been prevented if congress has acted on the administration's request for strong independent regulater to over see the mortgage giants.

她说联邦的接管原本可以避免，如果当时国会执行政府的请求，由一个独立且强势的管理部门监管这两个房贷巨头。