The tissue Culture Lab (Regional Branch for the Study of Arid Lands) at the University of Chapingo evaluated the effect of using formaldehide, benzoic acid and lugol as an inhibitor on the growth of pollution agents in a vitro culture of date palm (Phoenix dactylifera L.) seeds. The effect of these sustances on seed germination and root growth were also evaluated. In the statistical analysis in fungi pollution, bacteria pollution and seed germination, the Fisher’s Exact Test was used with α=0.05 as the significant level. The Kruskall & Whalis test was used for more than two independent test in the root growth with the procedure for bing n. Results indicated that all the antibiotics had no inhibitory effect on the bacteria, fungi pollution or germination. Root growth was strongly inhibited by benzoic acid. Formaldehide and lugol showed equal statistical behavior three weeks after in vitro seeding.

....