Butachlor induced response on the morphology of seedling growth of Malachracapitata L.

Effect of herbicide on seed germination has been integrated. The seedlings have been reported to be the most responsive to herbicidal action, which results from a direct interference with cell division enlargement or differentiation of the growing cells .The seed of Malachracapitata L were treated with different concentraton (1000, 2000, 3000, 4000, 5000, 6000 ppm.) of herbicide butachlor N (butoxymethyl) 2-chloro-N(2,6-diethylphenyl) acetamide ..Butachlor inhibited the linear growth of seedlings. There was progressive decrease in the growth of hypocotyl & radicle of seedling was found with increasing concentration of butachlor. The lethal dose in radicle and hypocotyls were found 6000ppm. The pH value at 6000ppm. Was 6.5. No morphological abnormalities were observed. Longitudinal splitting of cotyledon observed at 2000ppm. The color of radicle was turned creamy brown from 1000 to 5000 ppm.