TABLE 1.

Plant infection assays

Inoculum	No. of infected plants	No. of plants with tumors	% Tumor formation
FB1 (a1b1) × FB2 (a2b2)	100	72	72
FB1Δsql2 × FB2Δsql2	106	10	9
FB1POTEF:sql2 × FB2POTEF:sql2	97	81	83
FB1Δsql2 × FB2	16	10	83
FB1Δsql2 × FB2Δsql2[pNEBUC]	16	1	6
FB1Δsql2 × FB2Δsql2[pNEBUC-sql2]#2	15	11	73
FB1Δsql2 × FB2Δsql2[pNEBUC-sql2]#5	14	10	71