Laboratory Manual for Eighth International Training Course on In Vitro and Cryopreservation Approaches for Conservation of Plant Genetic Resources. ICAR-National Bureau of Plant Genetic Resources (NBPGR), New Delhi, Bioversity International-India, Delhi, Asia Pacific Association for Agricultural Research Institutions (APAARI)/Asia-Pacific Consortium on Agricultural Biotechnology and Bioresources (APCoAB), Bangkok, Nov. 5-19, 2019