Biostimulant Effects of Cerium on Seed Germination and Initial Growth of Tomato Seedlings

The rare earth element (REE) cerium (Ce) can act as a biostimulant in diverse crop plants. effects of 0, 5, 10, and 15 µM Ce (supplied CeCl3 7H2O) on seed germination the initial growth tomato (Solanum lycopersicum L.) cv. Vengador were evaluated. After 12 h imbibition, weight seeds treated with was 37.5% greater than that observed control. index 5 100% (101.93%), though when applying 10 this 17.53% lower control seeds. Nevertheless, treatments did not significantly affect coefficient velocity germination, relative index, radicle length, dry biomass, or growth. Interestingly, shoot length increased Ce. This tendency also biomass shoots. Hence, has stimulating effect In particular, there priming seeds, reflected higher gain Ce-treated which indicated water absorption. Therefore, be an alternative to accelerate production time seedlings seedbeds.