Table 4.

Virus load in singly and co-infected source plants at 7 and 21 days of infection.

DoI*	BYDV-PAV copies/mg of leaf								WDV copies/mg of leaf
	Singly infected plants†				Co-infected plants				Singly infected plants†				Co-infected plants
	Mean		SE**	n	Mean		SE**	n	Mean		SE**	n	Mean		SE**	n
7	6.4 x 107 a	±	2,6 x 107	18	7.8 x 107 a	±	2.3 x107	21	1.1 x 107 a	±	6.3 x 106	18	1.9 x 106 a	±	1.17 x 106	10
21	8.0 x 107 a	±	1.1 x 107	17	8.0 x107 a	±	7.3 x 106	21	2.0 x 108 b	±	1.8 x 108	21	8.5 x 107 a	±	1.1 x 107	20

^*: Days of infection of source plants.

^†: Data illustrated in Figure 3B .

^**: Standard error.

For a virus species, letters (in bold for WDV) illustrate a significant difference in viral load between singly and co-infected plants.