Formulas of the maize seed-coating agents.

*P(NIPAm-co-BMA) is poly (N-isopropyl acrylamide-co-butylmethacrylate) and SA is salicylic acid; formula 0 is the mixture of talc and bentonite without P(NIPAm-co-BMA) or SA; formulas 1 and 2 are mixtures of P(NIPAm-co-BMA), talc and bentonite without SA; formulas 3 and 4 are mixtures of SA, talc and bentonite without P(NIPAm-co-BMA); formulas 5 and 6 are mixtures of SA-loaded P(NIPAm-co-BMA), talc and bentonite. In addition, for formula 5, 1.05 g of SA-loaded P(NIPAm-co-BMA) contained 0.1 g of P(NIPAm-co-BMA) and 0.05 g of SA; for formula 6, 1.50 g of SA-loaded P(NIPAm-co-BMA) hydrogel contained 1 g of P(NIPAm-co-BMA) and 0.50 g of SA. Formulas of the maize seed-coating agents.