Abstract
Abstract This research deals with the effects of exogenous growth regulators on mineral nutrition of the tomato plant (Lyeopersieon esaulentum Mill. cv. Miguel Pereira). To study the influence on mineral nutrition, (2‐chloroethyl) trimethylammonium chloride (CCC) , at concentration of 2,000 ppm, succinic acid‐2, 2‐dimethylhydrazide (SADH) (4,000 ppm), gibberellic acid (GA) (100 ppm), (2‐chloroethyl) phosphonic acid (CEPA) (200 ppm), indole‐3‐acetic acid (IAA) (100 ppm) and 6‐furfurylamino purine (FAP) (500 ppm) were applied. Higher levels of nitrogen, calcium and magnesium occurred in the stem of plants sprayed with CCC. Treatments with FAP, SADH and CEPA caused an increase in nitrogen level in the stem. CEPA also increased calcium content in stems. These growth regulators did not alter the levels of macronutrients in the leaves in relation to control.
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