棉 花 学 报 Cotton Science 2007，19(5)：346-353
Collection and Conservation of Cotton germplasm in China Abstract：Two thousand two hundred and twenty-two accessions，including 2013 of G.hirsutum and 209 of G.barbadense cotton germplasm were introduced from 53 foreign countries during the recent 100 years. The top five countries with large numbers of introduced germplasm were America，Russia，Australia，Pakistan and Egypt.Total of 8193 accessions including 6822 of G.hirsutum，350 of G.hirsutum race (sub-species)， 385 of G.barbadense，378 of G.arboreum，17 of G. herbaceum and 41 wild species cotton germplasms were collected，which ranked 4th in the world.These germplasms were kept in Beijing National Long-term Genebank ，Qinhai Replication Bank and Anyang Cotton Medium-term Genebank，and the wild species was kept in Cotton garden at Hainan island. A perfect cotton germplasm database system was also established. Total of 10855 accessions were delivered to nine countries and 23 provinces or cities in China during the recent 20 years.
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