Medicinal Plant

2012, v.3(08) 19-20+24

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Effects of Plant Hormone on Seed Germination of Gentiana rigescens Franch
Effects of Plant Hormone on Seed Germination of Gentiana rigescens Franch

摘要(Abstract):

[Objective]To explore the effects of plant hormone on seed germination of Gentiana rigescens Franch.[Method]With the matured seeds of G.rigescens as test materials,effects of GA 3 ,6-BA and IAA on the soaking time and germination status of G.rigescens were studied. [Result]Seeds soaked in 200 mg/L GA 3+5 mg/L 6-BA+5 mg/L IAA showed the best germination effects and the germination rate reached more than 93%,the germination starting day and germination lasting day were relatively short,germination rate and germination energy were the highest. [Conclusion]Based on orthogonal test,effects of factors on seed germination of G.rigescens were in the order of IAA﹥GA 3 ﹥soaking time﹥6-BA. Plant hormone treatment could enhance the germination rate of G.rigescens seeds.

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基金项目(Foundation): Supported by the Middle-aged and Young Academic Elites Program of Dali University and the Student Scientific Research Foundation of Dali University(DSSKY200904)

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