Abstract
Abstract The influence of the growth retarding chemical « AMO-1618 » on the growth and alkaloid content in DATURA STRAMONIUM L. — AMO-1618 (4-hydroxy-5-isopropyl-2-methylphenyl trimethylammonium chloride, 1-piperidine carboxylate) in concentration of 100 and 500 p.p.m. was applied as an aqueous spray, every day for a fortnight period, to the leaves and tops of Datura stramonium L. The treated plants showed a reduction in growth only at the beginning, they looked, however, expecially the ones receiving the treatment with the highest concentration of the compound, more compact, sturdier and with leaves darker green and more thickened than the control. The plants were harvested four weeks following treatment. Fresh and dry weight data of leaves and roots indicated no significant change in stramonium plants treated with 100 p.p.m., while the ones treated with 500 p.p.m. showed an appreciable increase in leaves weights accompanied by a decrease in roots weights. No significant difference, between treated and u...
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