Table 1.

Origin of Trichoderma strains/isolates used in this study.

Strains	Origin (Place and Collected Time)	Presence of Virus
		ThHV1	ThHV1-S
Field strains
T-70	Ezhou, China, 2012	+ 1	–
T-68	Ezhou, China, 2012	+	–
T-51	Wuhan, China, 2012	–	–
Laboratory-Derived Strains
T-70D	colony edge progeny of T-70, 2013	+	+
68-1	T-68 in a pairing-culture of T-68 and T-70D, 2016	+	+
68-3	T-68 in a pairing-culture of T-68 and T-70D, 2016	+	+
51-12	T-51 in a pairing-culture of T-51 and T-70D, 2016	+	+
51-13	T-51 in a pairing-culture of T-51 and T-70D, 2016	+	+
51-70-2	T-51 in a pairing-culture of T-51 and T-70, 2016	+	–
51-70-4	T-51 in a pairing-culture of T-51 and T-70, 2016	+	–

¹ The symbols “+” and “–” indicate the presence and absence of ThHV1 or ThHV1-S, respectively.