基因工程和生物技术的进展

Cryopreservation: A Strategy Technique for Safe Preservation of Genetically Transformed Plant Materials

Qiaochun Wang, Renrui Wang, Baiquan Li and Zhenhua Cui

Cryopreservation: A Strategy Technique for Safe Preservation of Genetically Transformed Plant Materials

The world population now is 6.7 billion and is predicted to reach 9 billion by 2050. Such a rapid growing population has tremendously increased the challenge for food security. Obviously, it is impossible for traditional agriculture to ensure the food security, while plant biotechnology offers considerable potential to realize this goal. Commercial cultivation of genetically modified (GM) crops started in 1996. Since then, cultivation of GM crops has rapidly increased and the total cultivation areas of GM crops had reached 134 million ha by 2009.