Table 2. Resistant characteristics of six pine species in 24 weeks post-inoculation with pine wood nematode.

Pine species	n^c	Detection percent of PWN^d (%)	Death percent (%)	PWN density^e	Average wilt index^f
Pinus thunbergii	10	80.0^a	80.0^a	105.05^a	3.5^a
Pinus koraiensis	9	77.8^a	77.8^a	153.65^a	3.2^ab
Pinus densiflora	8	62.5^ab	62.5^ab	36.04^ab	2.9^ab
Pinus parviflora	9	22.2^ab	22.2^ab	83.39^ab	1.7^ab
Pinus rigida × P. taeda	9	22.2^ab	0^b	0.27^ab	0.9^b
Pinus strobus	8	0^b	0^b	0^b	1.0^b
Mean	8.8	44.1	40.4	54.67	1.94
Kruskal-Wallis χ²	-	19.761^**	25.385^***	20.664^***	23.894^***