Cloning of Camellia nitidissima Flavonol Synthase cDNA and Construction of Sense,RNA Interference Expression Vectors Full-length cDNA cloning of flavonol synthase genes of Carthamus tinctorius and construction plant expression vector Prokaryotic Expression of Tartary Buckwheat Flavonol Synthase FtFLS2 and Preparation of Its Polyclonal Antibody Isolation and Characterization of a Flavonol Synthase Gene from Muscari armeniacum Cloning of flavonol synthase gene from Fagopyum dibotrys and its expression in Escherichia coli