Rooting Response of Fraxinus Linrt Softwood Cutting to Different Hormone Combinations

[Objective]It provided the scientific basis for Fraxinus linrt softwood cutting. [Method]Three kinds of hormones of IBA-K,NAA-Na and DA-6 were used in different concentrations and combinations for the study.[Result]Three kinds of hormones of IBA-K,NAA-Na and DA-6 have significant differences on promoting rooting rate. The experimental results showed that the order of their efficiencies was NAA-Na IBA-K DA-6. NAA-Na was the major factor.[Conclusion]The highest rooting rate of 84. 3% was achieved from the best combination of A1B3C3.

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