Phytotoxicity of Profluralin to Rottboellia exaltata L.


Author: Marita Ignacio-Galinato

Abstract

The effect of a pre-emergence herbicide on the growth of Rottboellia exaltata L.F. was determined using different concentrations of profluralin or CGA-10832. Concentrations of 5. 10, 25 and 50 ppm induced inhibition of root and shoot growth accompanied by swelling of root tips and coleoptilar nodes. Abnormal enlargement of the cells was apparent in all swollen tissues. Multi-nuclearity of the cells in the pericyclic layer and increase in the number of root and leaf primordium initials were likewise observed.

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