Study of Gibberellins Effect on Height and Biomass of Rosette and Wild Type Brassica rapa
Summary :
Table of Contents
- Abstract
- The use of gibberellins or gibberellic acid
- The lab procedure and materials
- A two-way ANOVA
- Final height of Brassica rapa in response to concentrations
- Comparison between the average height of the control wild type Brassica rapa
- Literature cited
Abstract
gibberellins (GA) are plant hormones involved with overall plant growth. brassica rapa, a flowering plant species, which possesses the wild type phenotype or the rosette, dwarfed, phenotype, was used to explore the effects of gibberellins on the two varieties' overall height, which can have an application in commercial farming for obtaining larger yields. The GA receptors are physiologically active and the levels of GA are causing the dwarfed appearance in the rosette variety. After seven days of plant growth, varying amounts of hormone were applied to the plants, ranging from 0.0ppm or 0.0 mg/ml GA to 1400ppm or 0.7mg/ml GA. After eighteen days of plant growth, the plants were measured for height and biomass. Data was inconclusive in determining if the GA had any effect on height, which does not necessarily mean GA has no effect, rather something potentially went askew in the experiment. The experiment should be modified and retested in order to find data that is more conclusive.
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