Compared with control, soil drenching with suspen- sion of BMB171-15 at rates of 10 mL and 20 mL increased shoot height by 12.2% and 12.9% (Fig. 6a), shoot fresh weight by 30.5% and 32.1% (Fig. 6b), root length by 38.9% and 37.7% (Fig. 6c), respec- tively.