1. Supplemental Figure 1 (a) ALSV:soyPDSWild-type ALSV 21 dpi (4 weeks after ALSV inoculation) 123 45 (b) (c) 1 st (IN) IN 2 nd 3 rd 4 th 5 th 6 th 7 th PCM ALSV-RNA2 PsEF1- True leaf from 2 nd to 7 th nodes Mock wtALSV 2 nd 3 rd 4 th 5 th 6 th 7 th True leaf from 2 nd to 7 th nodes 2 1 3 4 5 6 7 1 Grown for 4 weeks ALSV inoculation

2. MockwtALSV ALSV:LOX ALSV:AOSALSV:AOC ALSV:OPR (a) Mock wtALSV ALSV:LOX ALSV:AOS ALSV:AOC ALSV:OPR ALSV-RNA2 ALSV-CP (b) (c) LOX EF1-α ALSV:LOX MNSS EF1-α AOS ALSV:AOSM NSS AOC EF1-α ALSV:AOC MNSS OPR EF1-α ALSV:OPRM NSS Supplemental Figure 2

3. LOX AOS AOC OPR EF1-α SuppressorMeJACoronatine 0501002005010020050100200N Supplemental Figure 3