Intact fingers of the same weight were dipped in 2 g L 1 sodium hypochlorite solution for 10 min, soaked in 500 mg L 1 Iprodione solution (Kuaida, Jiangsu, China) and 500 mg L 1 prochloraz solution (Huifeng, Jiangsu, China) for 1 min to eliminate potential microbes, and air dried at ambient temperature.