
This progress report discusses activities for the period 10/1/90-- 12/31/90. Continued data analysis and interpretation have been delayed; but will resume as time permits. Foliar cytokinin and mineral nutrient analyses will be performed following identification of satisfactory analytical procedures. Caffeic acid was chosen as a model phenolic compound for complex identification trials. Fluorometric methods were used for observation of the effect of boric acid on caffeic acid. High performance liquid chromatographic techniques have been initiated for further identification of the potential boric acid-caffeic acid complex. A greenhouse experiment has been installed for evaluation of the biological effects of boric acid on shortleaf pine seedlings. 5 figs., 3 tabs.
Boron Compounds, Morphology, Leaves, Trees 553000* -- Agriculture & Food Technology, Carbohydrates, Inorganic Acids, Growth, Hydroxylation, Pinophyta, Hydroxy Compounds, Liquid Column Chromatography, Inoculation, Phenols, Harvesting, Glycosides, Plant Growth, Fertilizers, Hydrogen Compounds, 59 Basic Biological Sciences, Chromatography, Progress Report, Spectrometers, 550200 -- Biochemistry, Mycorrhizas, Organic Compounds, Biological Effects, Plants, Document Types, Roots, Measuring Instruments, Conifers, Separation Processes, 60 Applied Life Sciences, Aromatics, Seedlings, Boric Acid, Pines, Concentration Ratio, Ultraviolet Spectrometers
Boron Compounds, Morphology, Leaves, Trees 553000* -- Agriculture & Food Technology, Carbohydrates, Inorganic Acids, Growth, Hydroxylation, Pinophyta, Hydroxy Compounds, Liquid Column Chromatography, Inoculation, Phenols, Harvesting, Glycosides, Plant Growth, Fertilizers, Hydrogen Compounds, 59 Basic Biological Sciences, Chromatography, Progress Report, Spectrometers, 550200 -- Biochemistry, Mycorrhizas, Organic Compounds, Biological Effects, Plants, Document Types, Roots, Measuring Instruments, Conifers, Separation Processes, 60 Applied Life Sciences, Aromatics, Seedlings, Boric Acid, Pines, Concentration Ratio, Ultraviolet Spectrometers
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