TABLE 3.

Aphid transmission of PLRV mutants from systemically infected Nicotiana clevelandii to either N. benthamiana, N. clevelandii, or Physallis floridana or from P. floridana to P. floridana^a

PLRV	No. of plants infested/no. infected with virus
	N. clevelandii source			P. floridana source, P. floridana recipient
	N. benthamiana recipient	N. clevelandii recipient	P. floridana recipient
None	0/9	0/9	0/9	NTb
Wild type	12/15	7/13	4/8	23/35
HeY	0/5	2/9	2/17	NT
GvE	3/10	1/8	2/5	26/35
HdS	0/10	1/10	0/5	0/15
DssE	2/2	5/5	5/5	5/5
SeD	0/10	0/10	0/5	3/15

^aPlants were tested by ELISA 3 weeks postinoculation. In general, five plants were used for each construct for each experiment.

^bNT, not tested.