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Research Paper | Botany | India | Volume 4 Issue 5, May 2015

Effect of Plant Growth Regulators (Indoles) on Germination Percentage and Seedling Growth of Rauvolfia serpentina (L.) Benth. ex Kurz.

Namita Sharma | Surchi Tyagi ^[2]

Abstract: Rauvolfia serpentina (L. ) Benth. ex Kurz (family Apocynaceae) is most important medicinal plant and its importance increasing day by day due to its higher medicinal value. PGR-s (Plant Growth Regulators) are known to improve the growth and yield of plants. The effect of varying concentration of IAA (Indole Acetic acid) and IBA (Indole Butyric Acid) was ascertained for seed germination and seedling growth of Rauvolfia serpentina (L. ) Benth. ex Kurz. Plant were grown in the field and ten different plots viz (T1) Control, (T2) IAA (25ppm), (T3) IAA (50ppm), (T4) IAA (100ppm), (T5) IBA (25ppm), (T6) IBA (50ppm), (T7) IBA (100ppm), (T8) IAA + IBA (25ppm), (T9) IAA + IBA (50ppm) and (T10) IAA + IBA (100ppm) has been taken. The result revealed that germination percentage and seedling growth increased in all low concentration (25ppm) treatments while declined in all high concentration (100ppm) treatments.

Keywords: Rauvolfia serpentina, Growth regulators, IAA and IBA

Edition: Volume 4 Issue 5, May 2015,

Pages: 1234 - 1238

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