Table 3.

Evaluation of the incidence of P. sylvestris var. mongolica shoot blight under various treatments

Treatment	Membership function value			Phosphorus content
	Incidence rate	Disease Severity index	average value
Con	0.40	0.60	0.50	0.61 ± 0.15b
Sl	0.56	0.67	0.61	0.94 ± 0.59a

SI Inoculation of S. luteus. Con: Experimental control group. The values of the phosphorus content are presented as the means ± SEMs; n = 5. Different letters in each column represent significant differences between treatments (P < 0.05)