Table 4. Concentrations (μg/L) of DBP and dry weight of mycelia at the 50 day’s cultivation of the three fungi in natural water at 15 °C (repetition times = 3).

Sample No.	First test(μg/L)	Duplicated(μg/L)	Triplicated(μg/L)	Average(μg/L)	Dry weight ofmycelia (mg)
W-CH-Blank	16.5	16.9	18.1	17.1 ± 0.79	1.3 ± 0.21
W-CH-PTN7	42.8	43.6	41.4	42.6 ± 1.18	21.1 ± 1.24
W-CH-PTN42	20.6	21.4	21.8	21.2 ± 0.59	4.2 ± 0.37
W-CH-PTN121	30.2	31.2	29.7	30.4 ± 0.79	8.5 ± 0.68
W-W-Blank	10.4	12.8	11.0	11.4 ± 1.18	1.8 ± 0.16
W-W-PTN7	17.9	18.5	19.0	18.5 ± 0.59	16.4 ± 1.87
W-W-PTN42	18.7	19.4	18.5	18.9 ± 0.60	3.6 ± 0.49
W-W-PTN121	33.2	33.8	37.1	34.8 ± 2.16	9.6 ± 0.72
W-ZH-Blank	11.4	13.6	12.2	12.4 ± 1.18	1.9 ± 0.21
W-ZH-PTN7	17.7	18.5	19.2	18.5 ± 0.79	15.8 ± 0.98
W-ZH-PTN42	19.0	18.7	19.4	19.0 ± 0.39	2.9 ± 0.32
W-ZH-PTN121	33.6	35.0	34.0	34.2 ± 0.79	11.6 ± 0.56

W-CH, W-W and W-ZH represent water samples respectively collected from upper Chongqing, middle Wuhan and downstream Zhenjiang reaches of the Yangtze River. The dates of weight of mycelia are measured by the dry weight of mycelium culture in 200 ml nature water.