... RegulatorMain effects: 1: NAA promote root growth2: NAA enlarge fruit-size3: NAA increase more flower4: NAA used as a raw ... material.NAA induce more flower and increase fruit-setting ratio,Induction form adventitious roots, increase much more ... differentiation of bud and bud, Accelerate chlorophyll synthetic, Promote fruit swollen larger in size.Main crops used:Rice, Wheat, Cotton, Fruits, ...