Abscisic acid in the leaf ofVernonia anthelmintica
β Scribed by T. Sanyal; S. N. Ganguly; P. K. Sircar; S. M. Sircar
- Book ID
- 104750808
- Publisher
- Springer-Verlag
- Year
- 1970
- Tongue
- English
- Weight
- 130 KB
- Volume
- 92
- Category
- Article
- ISSN
- 0032-0935
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β¦ Synopsis
A growth inhibitor was isolated in crystalline form from the leaf of Vernonia anthelmintica and was found to be identical with abscisic acid by biological activity and physical measurements namely, melting point, mixed melting point, UV-absorption, mass spectra and paper and thin-layer chromatography.
π SIMILAR VOLUMES
After a 6 day incubation period, abscisic acid (ABA) at 10(-4) M retarded the decline in pigment levels and promoted the decline in protein levels of radish leaf discs. ABA treatment also retarded the rise in the specific activity of the RNA fraction (calculated by counts per minute incorporated of