However, it was undesirable to screen wheat cell mutants resistant to scab through adding DON to medium because of DON's complicated action in wheat tissue culture.
然而，DON在小麦组织培养中的作用复杂，把它作为筛选抗赤霉病小麦细胞突变体的选择压，则是不合理的。
The most effective method to control these diseases is to screen and to breed resistant varieties.
筛选和培育抗病品种是防治病害最为有效的方法。
Objective this research is to screen low temperature-resistant strains and study COD degradation efficiency of the sewage water by the low temperature-resistant strains.
目的：筛选耐低温菌株并研究对模拟生活污水的降解效果，为利用微生物降解法处理低温生活污水奠定基础。
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