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Cytomorphological and biochemical changes in dwarf pea shoots induced by gibberellic acid
The International Journal of Biochemistry
|January 1, 1982
Abstract:
Treatment of 8-day-old pea plants for 15 and 24 hr with gibberellic acid resulted in: 1. 2-3 Fold increase of the cell length. 2. About 20% increase of the nuclei and nucleoli size in meristematic zone of plant shoots. 3. Increase of endomitotic and mitotic synthesis of DNA. 4. Increased ability of the cells to bind [3H]Actinomycin D. 5. Higher rate of RNA synthesis. 6. Increase of the fresh weight of apical parts of the green pea shoots. 7. These results indicated that gibberellic acid accelerates the growth and differentiation of plant cells.