Effects of Plant Growth Regulators on the Shoot Multiplication and Shoot Growth of Oval Kumquat (Fortunella margarita Swingle) in Vitro

For the purpose of mass propagation, the culture from the shoot tips of oval kumquat was studied. Explants were obtained from the shoot tip culture, followed by six regenerative subcultures. It was found that the rate of multiplication was four times after the explants were cultured on MS solid medium containing 30 g/l sucrose, 8 g/l agar with the addition of 1 mg/l BA and 0.1 mg/l IBA, for 30 days. The shoots cultured on an MS solid medium containing 30 g/l sucrose, 8 g/l agar with the addition of 1 mg/l BA, or 0.1 mg/l kinetin appeared to have the best growth rate.