Table 2.

GPGV infection levels

GPGV infection level	Healthy	Latent	Slightly symptomatic	Moderate symptomatic	Severe symptomatic
	(h)	(l)	(sls)	(ms)	(svs)
GPGV ELISA	−	+	+	+	+
GLMD symptoms	−	−	+	++	+++

Each plant was assigned to a GPGV infection level according to the results of ELISA and visual evaluation