Abstract
Plant growth and development is significantly influenced by phytohormones – endogenous molecules present naturally in
plants. The best known plant hormones are auxins and cytokinins. This study examined the possible effect of externally applied
plant hormone analogues (growth regulators): 1-naphthyl acetic acid (NAA) and 6-benzyl aminopurine (BAP) on industrial
fibre hemp (Cannabis sativa L., variety Bialobrzeskie). Plants were treated with three different concentrations of NAA (5, 10
and 20 mg/l) and three different concentrations of BAP (10, 25 and 50 mg/l). Morphological and physiological characteristics,
such as apical dominance, shoot branching, fibre properties, and flavonoid content were evaluated. The chosen variety of hemp
had a significant response to exogenous application of growth regulators, as has been observed with other plant species. Most
notably, completely understood and controlled synthetic auxin tretament has a potential to increase the bark fibre yield of
hemp.
Peter Mendel, Elias Schiavo-Capri, Ajinkya Bharat Lalge, Tomas Vyhnanek, Petr Kalousek, Vaclav Trojan, Ladislav Havel, Antonio Filippi, Enrico Braidot. (2020) EVALUATION OF SELECTED CHARACTERISTICS IN INDUSTRIAL HEMP AFTER PHYTOHORMONAL TREATMENT, Pakistan Journal of Agricultural Sciences, Volume 57, Issue 1.
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