Abstract.
Roots of intact pea plants were treated with 2.8 × 10−4 m Chlorsulfuron (CS). Meristematic root cells and leaf mesophyll cells were studied. Mitochondria, nucleoli, and chloroplasts were the first cell compartments to show ultrastructural disturbances. Mitochondria in treated plants had a visibly translucent matrix. The nucleoli were in the process of segregation of their fibrillar and granular components and reduction of their volume. The structural disturbances of the chloroplasts were similar to those observed during senescence. The results support the hypothesis that CS inhibits cell growth through the accumulation of toxic intermediates.
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Received March 28, 1996; accepted November 1, 1996
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Stoynova, E., Petrov, P. & Semerdjieva, S. Some Effects of Chlorsulfuron on the Ultrastructure of Root and Leaf Cells in Pea Plants. J Plant Growth Regul 16, 1–5 (1997). https://doi.org/10.1007/PL00006968
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DOI: https://doi.org/10.1007/PL00006968