Investigation of hormone effects on reproductive properties of Agave amica in different grow condition

Document Type: Research Paper

Authors

Department of Biology, Faculty of Science, Kabul University, Afghanistan

Abstract

 Agave amica (Polianthes tuberosa L) is one of the most important cut flowers in Middle East and the world and it is widely used in flower decoration due to its beauty and perfume [1]. To investigate the effects of plant density and Gibberellin treatment on tuberose bulbs, an experiment was conducted using a Split Plot based on Randomized Complete Block Design with three replications in the Jiroft city. In this experiment, plant density in three levels (10, 15, and 25 plants per m2) as the main factor and gibberellin concentrations in four levels (control, 100, 200, and 300 ppm) as a sub-factor were considered. The present study was performed in 12 treatments and three replications, which consisted of 36 experimental plots. The results showed that the studied indices were affected by the application of gibberellin and plant density treatments, except for the number of cromels per plant. Also, the highest values in the number of leaf per plant, inflorescence length and number of floret per inflorescence indices were obtained in the mentioned treatment, and the lowest amounts of them were observed in the density of 25 plants per m2 × no application of gibberellin. Therefore, the best treatment for the cultivation of tuberose plant was the application of 300 ppm of gibberellic acid and the density of 15 plants per m2.

Keywords


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