1·The proper negative pressure, when agrobacterium and callus cultivated, could increase transformable frequency and survival rate of callus.
农杆菌与愈伤组织混合培养时给予适当的负压条件可提高愈伤组织转化频率和存活率。
2·Agrobacterium transformation system is an excellent transformation system.
农杆菌转化系统是一种优良的转化系统。
3·For effective elimination of Agrobacterium and screen of transformed cells after co-cultivation, sensitivity of cabbage cultured in vitro to 5 antibiotics was testes.
为了能有效地杀除共培养后残余的农杆菌和筛选转化体，测定了青菜对5种抗生素的敏感性。