水溶性萘乙酸与吲哚丁酸对卵囊藻生长的影响

The influence of naphthalene acetic acid and indole butyric acid on the growth of Oocystis sp.

本文探究了不同浓度的2种植物生长调节剂萘乙酸(NAA)、吲哚丁酸(IBA)单独及叠加后添加对卵囊藻Oocystis sp.生长的影响。结果表明,NAA与IBA均在0.1~0.5 mg/L的浓度范围内,对卵囊藻的生长起到一定的促进作用,均可以作为卵囊藻培育的生长促进剂,NAA与IBA的最佳促生长浓度均为0.25 mg/L。当两种调节剂的浓度大于0.5 mg/L时,均会对卵囊藻的生长产生一定的抑制作用。两种生长调节剂共同作用对卵囊藻的生长优于单一生长调节剂的促生长作用,在两者均为0.25 mg/L时,两种植物生长调节剂叠加的促生长作用最佳。

In this study,we explored the effects of two plant growth regulators naphthalene acetic acid(NAA)and indole butyric acid(IBA)with different concentrations on the growth of Oocystis sp.The results showed that the concentration of NAA and IBA promoter the algal growth at the concentrations ranging from 0.1 to 0.5 mg/L.The optimal concentration of NAA and IBA was 0.25mg/L.The two regulators inhibited the growth of Oocystis sp.at concentrations higher than 0.5mg/L.After the in-depth study on the effects of the two regulators,we found that the combined use of NAA and IBA is better than that of separated use in promoting the growth of Oocystis sp.The optimal synergistic concentration of both regulators was 0.25mg/L,and the concentration ratio was 1∶1.