英语语法分析

The resistant rates of bacterium coli to streptomycin, ampicillin, chloromycetin and carbenicillin were 82.4%, 99.4%, 95.0% and 80.0%.

大肠埃希氏菌对链霉素、氨苄青霉素、氯霉素和羧苄青霉素的耐药率也很高，分别为82.4%，99.4%，95.0%和80.0%。

Therefore, carbenicillin was the preferable choice of the two tested antibiotics for Agrobacterium tumefaciens-mediated transformation of tall fescue.

因此，在农杆菌介导高羊茅遗传转化中，抑菌剂以选用羧苄青霉素较为合适。