For each treatment, six tomato seeds were sown per pot at 5 mmfrom the soil surface, with ten replicates per treatment using afully randomized complete block. The tomato cultures were grownunder standard conditions in a plant growth room (22-26◦C, 16 hlight/8 h dark). Pots were watered daily with 10 ml tap water tomaintain a moisture level favorable for seed germination.