Journal of Crop Breeding

The flavones are sub-group of flavonoids with wide varieties. Also they protect plants against UV, also have a role in treating human diseases. The test has been performed in a randomized complete block design with 3 replications for expression of flavone synthetize gene (FNS1) and flavonoids compounds in cumin. 18-day-old cumin seedlings were treated. They were harvested in times of 1, 2, 3 and 4 days after the stress treatment of manganese. FNS1 gene expression and composition of flavonoids and anthocyanin were measured by RT-PCR and spectrophotometer respectively. The results showed that the highest amount of gene expression, flavonoids amounts and anthocyanin were observed at 2^nd day after manganese stress. The results suggests that the content of FNS1 expression, flavonoids and anthocyanin, especially during the 2 days of stress, after oxidative stress which resulting from the absorption of the active element of the system of antioxidant plant