Fig. 4From: Probiotic strain Stenotrophomonas acidaminiphila BJ1 degrades and reduces chlorothalonil toxicity to soil enzymes, microbial communities and plant rootsMicronucleus frequency (a) and pollution index (b) of Vicia faba treated with different soil solutions. Asterisk (*) indicates statistical significance of treatments in comparison to the control at p < 0.05. Two asterisks (**) indicates statistical significance between NC and NCB at p < 0.05Back to article page