Table 2.

ED₅₀ estimated by probit analysis for essential oil-grafted CuNPs.

Target fungi	ED50 (μg ml−1)	Fiducial limit (μg ml−1)		Chi-square (χ2)	Regression equation
B. maydis	46.900	23.709	67.924	71.944	y = 2.0 × x+(−3.600)
R. solani f.sp. sasakii	43.208	32.267	53.265	27.572	y = 3.6 × x+(−6.143)
F. verticillioides	51.003	26.728	73.843	56.633	y = 2.9 × x+(−4.714)
S. rolfsii	55.096	19.080	93.846	45.355	y = 1.2 × x+(−2.040)
M. phaseolina	56.499	24.197	89.507	110.389	y = 2.0 × x+(−3.800)