Total Phenol, Antioxidant and Allelopathy Assay, and Meiosis Study of Lampranthus spectabilis and Aptenia cordifolia
Lamperanthus spectabilis and Aptenia cordifolia (Aiozaceae) are two ornamental plants. A little information is available about their active compounds and meiosis’ process. In this study, the phenolic content, antioxidant activity, allelopathy effects and meiosis’ process of pollen mother cells of L. spectabilis and A. cordifolia were studied. The alcohol extract was used for phenol, antioxidant and allelopathy assay along with young buds for meiosis study. The stamens and petals of both plants possessed the highest phenol and antioxidant effects. All extracts of L. spectabilis and A. cordifolia had small inhibitory effects on mungbeen seed germination and seedlings growth. The allelopathy effect of both plants on barley seed germination and seedlings growth was significant especially for A. cordifolia. The count of chromosomes in meiosis revealed that the chromosome number of A. cordifolia was 2n=12 and 2n=18 for L. spetabilis. The meiosis in both plants was normal and the chromosomes were very small. Our results revealed that the extracts of all organs of both plants; specially stamens and petals, have a lot antioxidant activity. They had not allelopathic effects on seed germination’ and seedlings growth’ mungbeen and barley. Chromosome number of two plants was different but meiosis process and chromosomes size was similar.
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