Roussel Uclaf

Pierre M Carles

Charles J Van Assche

Jean-Jacques Herve

Novel compositions for increasing the growth of vegetables comprising a growth increasing amount of at least one compound selected from the group consisting of a compound of the formula ##STR1## wherein either R.sub.1 is hydrogen, R.sub.2 is hydrogen and R.sub.3 is selected from the group consisting of hydrogen, nitro in the 2- or 4-position, methyl in the 2-, 3- or 4-position, chlorine in the 3- or 4-position and bromine or --CF.sub.3 in the 4-position or R.sub.2 is nitro in the 2 position and R.sub.3 is nitro or --CF.sub.3 in the 4 position or R.sub.1 is 2-NO.sub.2, R.sub.2 is 4-NO.sub.2 and R.sub.3 is 6-NO.sub.2 or R.sub.2 is 6-NO.sub.2 and R.sub.3 is 4-CF.sub.3 and their non-toxic, acid addition salts and an agricultural carrier and a method of increasing the growth of vegetables.

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Marseilles, France

Pierre M Carles