Progress on Cryopreservation State and Research of Plant Germplasm Resources

The current article was a synthesis of progress on cryopreservation state and research of plant germplasm resources in the world,based on the Second Report of the State of the World′s Plant Genetic Resources for Food and Agriculture,international conferences,and other literatures.The contents covered material types,basic procedures,methods and techniques,theoretical basis,influence factors,costs,strategy,and practical application in the cryopreservation of plant germplasm resources.It also identified the gaps and put forward striving direction and suggestions for strengthening the safety and long-term cryopreservation of non-orthodox seed plant germplasm resources in China.