Table 4.

Carbon, nitrogen, and inducer effect on fungal growth

Source	Coefficient	Standard error	Sum of squares	df	Mean square	F-value	Prob > F
Factorial model			87.76	6	14.63	5.31	0.0435*
A: Glucose	1.63	0.48	31.76	1	31.76	11.54	0.0193*a
B: Rice husk	0.36	0.48	1.59	1	1.59	0.58	0.4817a
C: Yeast extract	−0.63	0.48	4.72	1	4.72	1.72	0.2471b
D: Tween 80	−1.42	0.48	24.06	1	24.06	8.74	0.0316*b
E: CaCl2	0.71	0.48	6.05	1	6.05	2.20	0.1984a
F: pH	−1.28	0.48	19.57	1	19.57	7.11	0.0445*b
Residual			13.76	5	2.75
Cor. Total			101.52	11

Plackett-Burman. Estimated coefficient, standard error and corresponding F and P values for biomass production (Log₁₀ CFU ml⁻¹) of Pleurotus spp. (T1.1) for six experimented variables

R² = 0.8644, Adj. R² = 0.7018, Adeq. Precision = 6.694

*Significant at 95 %

^aPositive effect

^bNegative effect